KeyValueWorkerClientService.java

/**
 * Autogenerated by Thrift Compiler (0.9.3)
 *
 * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
 *  @generated
 */
package alluxio.thrift;

import org.apache.thrift.scheme.IScheme;
import org.apache.thrift.scheme.SchemeFactory;
import org.apache.thrift.scheme.StandardScheme;

import org.apache.thrift.scheme.TupleScheme;
import org.apache.thrift.protocol.TTupleProtocol;
import org.apache.thrift.protocol.TProtocolException;
import org.apache.thrift.EncodingUtils;
import org.apache.thrift.TException;
import org.apache.thrift.async.AsyncMethodCallback;
import org.apache.thrift.server.AbstractNonblockingServer.*;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import java.util.EnumMap;
import java.util.Set;
import java.util.HashSet;
import java.util.EnumSet;
import java.util.Collections;
import java.util.BitSet;
import java.nio.ByteBuffer;
import java.util.Arrays;
import javax.annotation.Generated;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
@Generated(value = "Autogenerated by Thrift Compiler (0.9.3)")
public class KeyValueWorkerClientService {

  public interface Iface extends alluxio.thrift.AlluxioService.Iface {

    /**
     * Looks up a key in the block with the given block id.
     * 
     * @param blockId the id of the block being accessed
     * 
     * @param key binary of the key
     * 
     * @param options the method options
     */
    public GetTResponse get(long blockId, ByteBuffer key, GetTOptions options) throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException;

    /**
     * Gets a batch of keys next to the given key in the partition.
     * If current key is null, it means get the initial batch of keys.
     * If there are no more next keys, an empty list is returned.
     * 
     * @param blockId the id of the partition
     * 
     * @param key current key
     * 
     * @param numKeys maximum number of keys to get
     * 
     * @param options the method options
     */
    public GetNextKeysTResponse getNextKeys(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options) throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException;

    /**
     * Gets the number of key-value pairs in the partition.
     * 
     * @param blockId the id of the partition
     * 
     * @param options the method options
     */
    public GetSizeTResponse getSize(long blockId, GetSizeTOptions options) throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException;

  }

  public interface AsyncIface extends alluxio.thrift.AlluxioService .AsyncIface {

    public void get(long blockId, ByteBuffer key, GetTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;

    public void getNextKeys(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;

    public void getSize(long blockId, GetSizeTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;

  }

  public static class Client extends alluxio.thrift.AlluxioService.Client implements Iface {
    public static class Factory implements org.apache.thrift.TServiceClientFactory<Client> {
      public Factory() {}
      public Client getClient(org.apache.thrift.protocol.TProtocol prot) {
        return new Client(prot);
      }
      public Client getClient(org.apache.thrift.protocol.TProtocol iprot, org.apache.thrift.protocol.TProtocol oprot) {
        return new Client(iprot, oprot);
      }
    }

    public Client(org.apache.thrift.protocol.TProtocol prot)
    {
      super(prot, prot);
    }

    public Client(org.apache.thrift.protocol.TProtocol iprot, org.apache.thrift.protocol.TProtocol oprot) {
      super(iprot, oprot);
    }

    public GetTResponse get(long blockId, ByteBuffer key, GetTOptions options) throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException
    {
      send_get(blockId, key, options);
      return recv_get();
    }

    public void send_get(long blockId, ByteBuffer key, GetTOptions options) throws org.apache.thrift.TException
    {
      get_args args = new get_args();
      args.setBlockId(blockId);
      args.setKey(key);
      args.setOptions(options);
      sendBase("get", args);
    }

    public GetTResponse recv_get() throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException
    {
      get_result result = new get_result();
      receiveBase(result, "get");
      if (result.isSetSuccess()) {
        return result.success;
      }
      if (result.e != null) {
        throw result.e;
      }
      throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "get failed: unknown result");
    }

    public GetNextKeysTResponse getNextKeys(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options) throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException
    {
      send_getNextKeys(blockId, key, numKeys, options);
      return recv_getNextKeys();
    }

    public void send_getNextKeys(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options) throws org.apache.thrift.TException
    {
      getNextKeys_args args = new getNextKeys_args();
      args.setBlockId(blockId);
      args.setKey(key);
      args.setNumKeys(numKeys);
      args.setOptions(options);
      sendBase("getNextKeys", args);
    }

    public GetNextKeysTResponse recv_getNextKeys() throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException
    {
      getNextKeys_result result = new getNextKeys_result();
      receiveBase(result, "getNextKeys");
      if (result.isSetSuccess()) {
        return result.success;
      }
      if (result.e != null) {
        throw result.e;
      }
      throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "getNextKeys failed: unknown result");
    }

    public GetSizeTResponse getSize(long blockId, GetSizeTOptions options) throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException
    {
      send_getSize(blockId, options);
      return recv_getSize();
    }

    public void send_getSize(long blockId, GetSizeTOptions options) throws org.apache.thrift.TException
    {
      getSize_args args = new getSize_args();
      args.setBlockId(blockId);
      args.setOptions(options);
      sendBase("getSize", args);
    }

    public GetSizeTResponse recv_getSize() throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException
    {
      getSize_result result = new getSize_result();
      receiveBase(result, "getSize");
      if (result.isSetSuccess()) {
        return result.success;
      }
      if (result.e != null) {
        throw result.e;
      }
      throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "getSize failed: unknown result");
    }

  }
  public static class AsyncClient extends alluxio.thrift.AlluxioService.AsyncClient implements AsyncIface {
    public static class Factory implements org.apache.thrift.async.TAsyncClientFactory<AsyncClient> {
      private org.apache.thrift.async.TAsyncClientManager clientManager;
      private org.apache.thrift.protocol.TProtocolFactory protocolFactory;
      public Factory(org.apache.thrift.async.TAsyncClientManager clientManager, org.apache.thrift.protocol.TProtocolFactory protocolFactory) {
        this.clientManager = clientManager;
        this.protocolFactory = protocolFactory;
      }
      public AsyncClient getAsyncClient(org.apache.thrift.transport.TNonblockingTransport transport) {
        return new AsyncClient(protocolFactory, clientManager, transport);
      }
    }

    public AsyncClient(org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.async.TAsyncClientManager clientManager, org.apache.thrift.transport.TNonblockingTransport transport) {
      super(protocolFactory, clientManager, transport);
    }

    public void get(long blockId, ByteBuffer key, GetTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
      checkReady();
      get_call method_call = new get_call(blockId, key, options, resultHandler, this, ___protocolFactory, ___transport);
      this.___currentMethod = method_call;
      ___manager.call(method_call);
    }

    public static class get_call extends org.apache.thrift.async.TAsyncMethodCall {
      private long blockId;
      private ByteBuffer key;
      private GetTOptions options;
      public get_call(long blockId, ByteBuffer key, GetTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
        super(client, protocolFactory, transport, resultHandler, false);
        this.blockId = blockId;
        this.key = key;
        this.options = options;
      }

      public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
        prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("get", org.apache.thrift.protocol.TMessageType.CALL, 0));
        get_args args = new get_args();
        args.setBlockId(blockId);
        args.setKey(key);
        args.setOptions(options);
        args.write(prot);
        prot.writeMessageEnd();
      }

      public GetTResponse getResult() throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException {
        if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
          throw new IllegalStateException("Method call not finished!");
        }
        org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
        org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
        return (new Client(prot)).recv_get();
      }
    }

    public void getNextKeys(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
      checkReady();
      getNextKeys_call method_call = new getNextKeys_call(blockId, key, numKeys, options, resultHandler, this, ___protocolFactory, ___transport);
      this.___currentMethod = method_call;
      ___manager.call(method_call);
    }

    public static class getNextKeys_call extends org.apache.thrift.async.TAsyncMethodCall {
      private long blockId;
      private ByteBuffer key;
      private int numKeys;
      private GetNextKeysTOptions options;
      public getNextKeys_call(long blockId, ByteBuffer key, int numKeys, GetNextKeysTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
        super(client, protocolFactory, transport, resultHandler, false);
        this.blockId = blockId;
        this.key = key;
        this.numKeys = numKeys;
        this.options = options;
      }

      public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
        prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("getNextKeys", org.apache.thrift.protocol.TMessageType.CALL, 0));
        getNextKeys_args args = new getNextKeys_args();
        args.setBlockId(blockId);
        args.setKey(key);
        args.setNumKeys(numKeys);
        args.setOptions(options);
        args.write(prot);
        prot.writeMessageEnd();
      }

      public GetNextKeysTResponse getResult() throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException {
        if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
          throw new IllegalStateException("Method call not finished!");
        }
        org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
        org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
        return (new Client(prot)).recv_getNextKeys();
      }
    }

    public void getSize(long blockId, GetSizeTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
      checkReady();
      getSize_call method_call = new getSize_call(blockId, options, resultHandler, this, ___protocolFactory, ___transport);
      this.___currentMethod = method_call;
      ___manager.call(method_call);
    }

    public static class getSize_call extends org.apache.thrift.async.TAsyncMethodCall {
      private long blockId;
      private GetSizeTOptions options;
      public getSize_call(long blockId, GetSizeTOptions options, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
        super(client, protocolFactory, transport, resultHandler, false);
        this.blockId = blockId;
        this.options = options;
      }

      public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
        prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("getSize", org.apache.thrift.protocol.TMessageType.CALL, 0));
        getSize_args args = new getSize_args();
        args.setBlockId(blockId);
        args.setOptions(options);
        args.write(prot);
        prot.writeMessageEnd();
      }

      public GetSizeTResponse getResult() throws alluxio.thrift.AlluxioTException, org.apache.thrift.TException {
        if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
          throw new IllegalStateException("Method call not finished!");
        }
        org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
        org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
        return (new Client(prot)).recv_getSize();
      }
    }

  }

  public static class Processor<I extends Iface> extends alluxio.thrift.AlluxioService.Processor<I> implements org.apache.thrift.TProcessor {
    private static final Logger LOGGER = LoggerFactory.getLogger(Processor.class.getName());
    public Processor(I iface) {
      super(iface, getProcessMap(new HashMap<String, org.apache.thrift.ProcessFunction<I, ? extends org.apache.thrift.TBase>>()));
    }

    protected Processor(I iface, Map<String,  org.apache.thrift.ProcessFunction<I, ? extends  org.apache.thrift.TBase>> processMap) {
      super(iface, getProcessMap(processMap));
    }

    private static <I extends Iface> Map<String,  org.apache.thrift.ProcessFunction<I, ? extends  org.apache.thrift.TBase>> getProcessMap(Map<String,  org.apache.thrift.ProcessFunction<I, ? extends  org.apache.thrift.TBase>> processMap) {
      processMap.put("get", new get());
      processMap.put("getNextKeys", new getNextKeys());
      processMap.put("getSize", new getSize());
      return processMap;
    }

    public static class get<I extends Iface> extends org.apache.thrift.ProcessFunction<I, get_args> {
      public get() {
        super("get");
      }

      public get_args getEmptyArgsInstance() {
        return new get_args();
      }

      protected boolean isOneway() {
        return false;
      }

      public get_result getResult(I iface, get_args args) throws org.apache.thrift.TException {
        get_result result = new get_result();
        try {
          result.success = iface.get(args.blockId, args.key, args.options);
        } catch (alluxio.thrift.AlluxioTException e) {
          result.e = e;
        }
        return result;
      }
    }

    public static class getNextKeys<I extends Iface> extends org.apache.thrift.ProcessFunction<I, getNextKeys_args> {
      public getNextKeys() {
        super("getNextKeys");
      }

      public getNextKeys_args getEmptyArgsInstance() {
        return new getNextKeys_args();
      }

      protected boolean isOneway() {
        return false;
      }

      public getNextKeys_result getResult(I iface, getNextKeys_args args) throws org.apache.thrift.TException {
        getNextKeys_result result = new getNextKeys_result();
        try {
          result.success = iface.getNextKeys(args.blockId, args.key, args.numKeys, args.options);
        } catch (alluxio.thrift.AlluxioTException e) {
          result.e = e;
        }
        return result;
      }
    }

    public static class getSize<I extends Iface> extends org.apache.thrift.ProcessFunction<I, getSize_args> {
      public getSize() {
        super("getSize");
      }

      public getSize_args getEmptyArgsInstance() {
        return new getSize_args();
      }

      protected boolean isOneway() {
        return false;
      }

      public getSize_result getResult(I iface, getSize_args args) throws org.apache.thrift.TException {
        getSize_result result = new getSize_result();
        try {
          result.success = iface.getSize(args.blockId, args.options);
        } catch (alluxio.thrift.AlluxioTException e) {
          result.e = e;
        }
        return result;
      }
    }

  }

  public static class AsyncProcessor<I extends AsyncIface> extends alluxio.thrift.AlluxioService.AsyncProcessor<I> {
    private static final Logger LOGGER = LoggerFactory.getLogger(AsyncProcessor.class.getName());
    public AsyncProcessor(I iface) {
      super(iface, getProcessMap(new HashMap<String, org.apache.thrift.AsyncProcessFunction<I, ? extends org.apache.thrift.TBase, ?>>()));
    }

    protected AsyncProcessor(I iface, Map<String,  org.apache.thrift.AsyncProcessFunction<I, ? extends  org.apache.thrift.TBase, ?>> processMap) {
      super(iface, getProcessMap(processMap));
    }

    private static <I extends AsyncIface> Map<String,  org.apache.thrift.AsyncProcessFunction<I, ? extends  org.apache.thrift.TBase,?>> getProcessMap(Map<String,  org.apache.thrift.AsyncProcessFunction<I, ? extends  org.apache.thrift.TBase, ?>> processMap) {
      processMap.put("get", new get());
      processMap.put("getNextKeys", new getNextKeys());
      processMap.put("getSize", new getSize());
      return processMap;
    }

    public static class get<I extends AsyncIface> extends org.apache.thrift.AsyncProcessFunction<I, get_args, GetTResponse> {
      public get() {
        super("get");
      }

      public get_args getEmptyArgsInstance() {
        return new get_args();
      }

      public AsyncMethodCallback<GetTResponse> getResultHandler(final AsyncFrameBuffer fb, final int seqid) {
        final org.apache.thrift.AsyncProcessFunction fcall = this;
        return new AsyncMethodCallback<GetTResponse>() { 
          public void onComplete(GetTResponse o) {
            get_result result = new get_result();
            result.success = o;
            try {
              fcall.sendResponse(fb,result, org.apache.thrift.protocol.TMessageType.REPLY,seqid);
              return;
            } catch (Exception e) {
              LOGGER.error("Exception writing to internal frame buffer", e);
            }
            fb.close();
          }
          public void onError(Exception e) {
            byte msgType = org.apache.thrift.protocol.TMessageType.REPLY;
            org.apache.thrift.TBase msg;
            get_result result = new get_result();
            if (e instanceof alluxio.thrift.AlluxioTException) {
                        result.e = (alluxio.thrift.AlluxioTException) e;
                        result.setEIsSet(true);
                        msg = result;
            }
             else 
            {
              msgType = org.apache.thrift.protocol.TMessageType.EXCEPTION;
              msg = (org.apache.thrift.TBase)new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.INTERNAL_ERROR, e.getMessage());
            }
            try {
              fcall.sendResponse(fb,msg,msgType,seqid);
              return;
            } catch (Exception ex) {
              LOGGER.error("Exception writing to internal frame buffer", ex);
            }
            fb.close();
          }
        };
      }

      protected boolean isOneway() {
        return false;
      }

      public void start(I iface, get_args args, org.apache.thrift.async.AsyncMethodCallback<GetTResponse> resultHandler) throws TException {
        iface.get(args.blockId, args.key, args.options,resultHandler);
      }
    }

    public static class getNextKeys<I extends AsyncIface> extends org.apache.thrift.AsyncProcessFunction<I, getNextKeys_args, GetNextKeysTResponse> {
      public getNextKeys() {
        super("getNextKeys");
      }

      public getNextKeys_args getEmptyArgsInstance() {
        return new getNextKeys_args();
      }

      public AsyncMethodCallback<GetNextKeysTResponse> getResultHandler(final AsyncFrameBuffer fb, final int seqid) {
        final org.apache.thrift.AsyncProcessFunction fcall = this;
        return new AsyncMethodCallback<GetNextKeysTResponse>() { 
          public void onComplete(GetNextKeysTResponse o) {
            getNextKeys_result result = new getNextKeys_result();
            result.success = o;
            try {
              fcall.sendResponse(fb,result, org.apache.thrift.protocol.TMessageType.REPLY,seqid);
              return;
            } catch (Exception e) {
              LOGGER.error("Exception writing to internal frame buffer", e);
            }
            fb.close();
          }
          public void onError(Exception e) {
            byte msgType = org.apache.thrift.protocol.TMessageType.REPLY;
            org.apache.thrift.TBase msg;
            getNextKeys_result result = new getNextKeys_result();
            if (e instanceof alluxio.thrift.AlluxioTException) {
                        result.e = (alluxio.thrift.AlluxioTException) e;
                        result.setEIsSet(true);
                        msg = result;
            }
             else 
            {
              msgType = org.apache.thrift.protocol.TMessageType.EXCEPTION;
              msg = (org.apache.thrift.TBase)new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.INTERNAL_ERROR, e.getMessage());
            }
            try {
              fcall.sendResponse(fb,msg,msgType,seqid);
              return;
            } catch (Exception ex) {
              LOGGER.error("Exception writing to internal frame buffer", ex);
            }
            fb.close();
          }
        };
      }

      protected boolean isOneway() {
        return false;
      }

      public void start(I iface, getNextKeys_args args, org.apache.thrift.async.AsyncMethodCallback<GetNextKeysTResponse> resultHandler) throws TException {
        iface.getNextKeys(args.blockId, args.key, args.numKeys, args.options,resultHandler);
      }
    }

    public static class getSize<I extends AsyncIface> extends org.apache.thrift.AsyncProcessFunction<I, getSize_args, GetSizeTResponse> {
      public getSize() {
        super("getSize");
      }

      public getSize_args getEmptyArgsInstance() {
        return new getSize_args();
      }

      public AsyncMethodCallback<GetSizeTResponse> getResultHandler(final AsyncFrameBuffer fb, final int seqid) {
        final org.apache.thrift.AsyncProcessFunction fcall = this;
        return new AsyncMethodCallback<GetSizeTResponse>() { 
          public void onComplete(GetSizeTResponse o) {
            getSize_result result = new getSize_result();
            result.success = o;
            try {
              fcall.sendResponse(fb,result, org.apache.thrift.protocol.TMessageType.REPLY,seqid);
              return;
            } catch (Exception e) {
              LOGGER.error("Exception writing to internal frame buffer", e);
            }
            fb.close();
          }
          public void onError(Exception e) {
            byte msgType = org.apache.thrift.protocol.TMessageType.REPLY;
            org.apache.thrift.TBase msg;
            getSize_result result = new getSize_result();
            if (e instanceof alluxio.thrift.AlluxioTException) {
                        result.e = (alluxio.thrift.AlluxioTException) e;
                        result.setEIsSet(true);
                        msg = result;
            }
             else 
            {
              msgType = org.apache.thrift.protocol.TMessageType.EXCEPTION;
              msg = (org.apache.thrift.TBase)new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.INTERNAL_ERROR, e.getMessage());
            }
            try {
              fcall.sendResponse(fb,msg,msgType,seqid);
              return;
            } catch (Exception ex) {
              LOGGER.error("Exception writing to internal frame buffer", ex);
            }
            fb.close();
          }
        };
      }

      protected boolean isOneway() {
        return false;
      }

      public void start(I iface, getSize_args args, org.apache.thrift.async.AsyncMethodCallback<GetSizeTResponse> resultHandler) throws TException {
        iface.getSize(args.blockId, args.options,resultHandler);
      }
    }

  }

  public static class get_args implements org.apache.thrift.TBase<get_args, get_args._Fields>, java.io.Serializable, Cloneable, Comparable<get_args>   {
    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("get_args");

    private static final org.apache.thrift.protocol.TField BLOCK_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("blockId", org.apache.thrift.protocol.TType.I64, (short)1);
    private static final org.apache.thrift.protocol.TField KEY_FIELD_DESC = new org.apache.thrift.protocol.TField("key", org.apache.thrift.protocol.TType.STRING, (short)2);
    private static final org.apache.thrift.protocol.TField OPTIONS_FIELD_DESC = new org.apache.thrift.protocol.TField("options", org.apache.thrift.protocol.TType.STRUCT, (short)3);

    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
    static {
      schemes.put(StandardScheme.class, new get_argsStandardSchemeFactory());
      schemes.put(TupleScheme.class, new get_argsTupleSchemeFactory());
    }

    private long blockId; // required
    private ByteBuffer key; // required
    private GetTOptions options; // required

    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
      /**
       * the id of the block being accessed
       */
      BLOCK_ID((short)1, "blockId"),
      /**
       * binary of the key
       */
      KEY((short)2, "key"),
      /**
       * the method options
       */
      OPTIONS((short)3, "options");

      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

      static {
        for (_Fields field : EnumSet.allOf(_Fields.class)) {
          byName.put(field.getFieldName(), field);
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, or null if its not found.
       */
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 1: // BLOCK_ID
            return BLOCK_ID;
          case 2: // KEY
            return KEY;
          case 3: // OPTIONS
            return OPTIONS;
          default:
            return null;
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, throwing an exception
       * if it is not found.
       */
      public static _Fields findByThriftIdOrThrow(int fieldId) {
        _Fields fields = findByThriftId(fieldId);
        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
        return fields;
      }

      /**
       * Find the _Fields constant that matches name, or null if its not found.
       */
      public static _Fields findByName(String name) {
        return byName.get(name);
      }

      private final short _thriftId;
      private final String _fieldName;

      _Fields(short thriftId, String fieldName) {
        _thriftId = thriftId;
        _fieldName = fieldName;
      }

      public short getThriftFieldId() {
        return _thriftId;
      }

      public String getFieldName() {
        return _fieldName;
      }
    }

    // isset id assignments
    private static final int __BLOCKID_ISSET_ID = 0;
    private byte __isset_bitfield = 0;
    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
    static {
      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
      tmpMap.put(_Fields.BLOCK_ID, new org.apache.thrift.meta_data.FieldMetaData("blockId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
      tmpMap.put(_Fields.KEY, new org.apache.thrift.meta_data.FieldMetaData("key", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING          , true)));
      tmpMap.put(_Fields.OPTIONS, new org.apache.thrift.meta_data.FieldMetaData("options", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, GetTOptions.class)));
      metaDataMap = Collections.unmodifiableMap(tmpMap);
      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(get_args.class, metaDataMap);
    }

    public get_args() {
    }

    public get_args(
      long blockId,
      ByteBuffer key,
      GetTOptions options)
    {
      this();
      this.blockId = blockId;
      setBlockIdIsSet(true);
      this.key = org.apache.thrift.TBaseHelper.copyBinary(key);
      this.options = options;
    }

    /**
     * Performs a deep copy on <i>other</i>.
     */
    public get_args(get_args other) {
      __isset_bitfield = other.__isset_bitfield;
      this.blockId = other.blockId;
      if (other.isSetKey()) {
        this.key = org.apache.thrift.TBaseHelper.copyBinary(other.key);
      }
      if (other.isSetOptions()) {
        this.options = new GetTOptions(other.options);
      }
    }

    public get_args deepCopy() {
      return new get_args(this);
    }

    @Override
    public void clear() {
      setBlockIdIsSet(false);
      this.blockId = 0;
      this.key = null;
      this.options = null;
    }

    /**
     * the id of the block being accessed
     */
    public long getBlockId() {
      return this.blockId;
    }

    /**
     * the id of the block being accessed
     */
    public get_args setBlockId(long blockId) {
      this.blockId = blockId;
      setBlockIdIsSet(true);
      return this;
    }

    public void unsetBlockId() {
      __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __BLOCKID_ISSET_ID);
    }

    /** Returns true if field blockId is set (has been assigned a value) and false otherwise */
    public boolean isSetBlockId() {
      return EncodingUtils.testBit(__isset_bitfield, __BLOCKID_ISSET_ID);
    }

    public void setBlockIdIsSet(boolean value) {
      __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __BLOCKID_ISSET_ID, value);
    }

    /**
     * binary of the key
     */
    public byte[] getKey() {
      setKey(org.apache.thrift.TBaseHelper.rightSize(key));
      return key == null ? null : key.array();
    }

    public ByteBuffer bufferForKey() {
      return org.apache.thrift.TBaseHelper.copyBinary(key);
    }

    /**
     * binary of the key
     */
    public get_args setKey(byte[] key) {
      this.key = key == null ? (ByteBuffer)null : ByteBuffer.wrap(Arrays.copyOf(key, key.length));
      return this;
    }

    public get_args setKey(ByteBuffer key) {
      this.key = org.apache.thrift.TBaseHelper.copyBinary(key);
      return this;
    }

    public void unsetKey() {
      this.key = null;
    }

    /** Returns true if field key is set (has been assigned a value) and false otherwise */
    public boolean isSetKey() {
      return this.key != null;
    }

    public void setKeyIsSet(boolean value) {
      if (!value) {
        this.key = null;
      }
    }

    /**
     * the method options
     */
    public GetTOptions getOptions() {
      return this.options;
    }

    /**
     * the method options
     */
    public get_args setOptions(GetTOptions options) {
      this.options = options;
      return this;
    }

    public void unsetOptions() {
      this.options = null;
    }

    /** Returns true if field options is set (has been assigned a value) and false otherwise */
    public boolean isSetOptions() {
      return this.options != null;
    }

    public void setOptionsIsSet(boolean value) {
      if (!value) {
        this.options = null;
      }
    }

    public void setFieldValue(_Fields field, Object value) {
      switch (field) {
      case BLOCK_ID:
        if (value == null) {
          unsetBlockId();
        } else {
          setBlockId((Long)value);
        }
        break;

      case KEY:
        if (value == null) {
          unsetKey();
        } else {
          setKey((ByteBuffer)value);
        }
        break;

      case OPTIONS:
        if (value == null) {
          unsetOptions();
        } else {
          setOptions((GetTOptions)value);
        }
        break;

      }
    }

    public Object getFieldValue(_Fields field) {
      switch (field) {
      case BLOCK_ID:
        return getBlockId();

      case KEY:
        return getKey();

      case OPTIONS:
        return getOptions();

      }
      throw new IllegalStateException();
    }

    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
    public boolean isSet(_Fields field) {
      if (field == null) {
        throw new IllegalArgumentException();
      }

      switch (field) {
      case BLOCK_ID:
        return isSetBlockId();
      case KEY:
        return isSetKey();
      case OPTIONS:
        return isSetOptions();
      }
      throw new IllegalStateException();
    }

    @Override
    public boolean equals(Object that) {
      if (that == null)
        return false;
      if (that instanceof get_args)
        return this.equals((get_args)that);
      return false;
    }

    public boolean equals(get_args that) {
      if (that == null)
        return false;

      boolean this_present_blockId = true;
      boolean that_present_blockId = true;
      if (this_present_blockId || that_present_blockId) {
        if (!(this_present_blockId && that_present_blockId))
          return false;
        if (this.blockId != that.blockId)
          return false;
      }

      boolean this_present_key = true && this.isSetKey();
      boolean that_present_key = true && that.isSetKey();
      if (this_present_key || that_present_key) {
        if (!(this_present_key && that_present_key))
          return false;
        if (!this.key.equals(that.key))
          return false;
      }

      boolean this_present_options = true && this.isSetOptions();
      boolean that_present_options = true && that.isSetOptions();
      if (this_present_options || that_present_options) {
        if (!(this_present_options && that_present_options))
          return false;
        if (!this.options.equals(that.options))
          return false;
      }

      return true;
    }

    @Override
    public int hashCode() {
      List<Object> list = new ArrayList<Object>();

      boolean present_blockId = true;
      list.add(present_blockId);
      if (present_blockId)
        list.add(blockId);

      boolean present_key = true && (isSetKey());
      list.add(present_key);
      if (present_key)
        list.add(key);

      boolean present_options = true && (isSetOptions());
      list.add(present_options);
      if (present_options)
        list.add(options);

      return list.hashCode();
    }

    @Override
    public int compareTo(get_args other) {
      if (!getClass().equals(other.getClass())) {
        return getClass().getName().compareTo(other.getClass().getName());
      }

      int lastComparison = 0;

      lastComparison = Boolean.valueOf(isSetBlockId()).compareTo(other.isSetBlockId());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetBlockId()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.blockId, other.blockId);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetKey()).compareTo(other.isSetKey());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetKey()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.key, other.key);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetOptions()).compareTo(other.isSetOptions());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetOptions()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.options, other.options);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      return 0;
    }

    public _Fields fieldForId(int fieldId) {
      return _Fields.findByThriftId(fieldId);
    }

    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
    }

    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("get_args(");
      boolean first = true;

      sb.append("blockId:");
      sb.append(this.blockId);
      first = false;
      if (!first) sb.append(", ");
      sb.append("key:");
      if (this.key == null) {
        sb.append("null");
      } else {
        org.apache.thrift.TBaseHelper.toString(this.key, sb);
      }
      first = false;
      if (!first) sb.append(", ");
      sb.append("options:");
      if (this.options == null) {
        sb.append("null");
      } else {
        sb.append(this.options);
      }
      first = false;
      sb.append(")");
      return sb.toString();
    }

    public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (options != null) {
        options.validate();
      }
    }

    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
      try {
        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
      try {
        // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
        __isset_bitfield = 0;
        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private static class get_argsStandardSchemeFactory implements SchemeFactory {
      public get_argsStandardScheme getScheme() {
        return new get_argsStandardScheme();
      }
    }

    private static class get_argsStandardScheme extends StandardScheme<get_args> {

      public void read(org.apache.thrift.protocol.TProtocol iprot, get_args struct) throws org.apache.thrift.TException {
        org.apache.thrift.protocol.TField schemeField;
        iprot.readStructBegin();
        while (true)
        {
          schemeField = iprot.readFieldBegin();
          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
            break;
          }
          switch (schemeField.id) {
            case 1: // BLOCK_ID
              if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
                struct.blockId = iprot.readI64();
                struct.setBlockIdIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 2: // KEY
              if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
                struct.key = iprot.readBinary();
                struct.setKeyIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 3: // OPTIONS
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.options = new GetTOptions();
                struct.options.read(iprot);
                struct.setOptionsIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            default:
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
          }
          iprot.readFieldEnd();
        }
        iprot.readStructEnd();

        // check for required fields of primitive type, which can't be checked in the validate method
        struct.validate();
      }

      public void write(org.apache.thrift.protocol.TProtocol oprot, get_args struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        oprot.writeFieldBegin(BLOCK_ID_FIELD_DESC);
        oprot.writeI64(struct.blockId);
        oprot.writeFieldEnd();
        if (struct.key != null) {
          oprot.writeFieldBegin(KEY_FIELD_DESC);
          oprot.writeBinary(struct.key);
          oprot.writeFieldEnd();
        }
        if (struct.options != null) {
          oprot.writeFieldBegin(OPTIONS_FIELD_DESC);
          struct.options.write(oprot);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }

    }

    private static class get_argsTupleSchemeFactory implements SchemeFactory {
      public get_argsTupleScheme getScheme() {
        return new get_argsTupleScheme();
      }
    }

    private static class get_argsTupleScheme extends TupleScheme<get_args> {

      @Override
      public void write(org.apache.thrift.protocol.TProtocol prot, get_args struct) throws org.apache.thrift.TException {
        TTupleProtocol oprot = (TTupleProtocol) prot;
        BitSet optionals = new BitSet();
        if (struct.isSetBlockId()) {
          optionals.set(0);
        }
        if (struct.isSetKey()) {
          optionals.set(1);
        }
        if (struct.isSetOptions()) {
          optionals.set(2);
        }
        oprot.writeBitSet(optionals, 3);
        if (struct.isSetBlockId()) {
          oprot.writeI64(struct.blockId);
        }
        if (struct.isSetKey()) {
          oprot.writeBinary(struct.key);
        }
        if (struct.isSetOptions()) {
          struct.options.write(oprot);
        }
      }

      @Override
      public void read(org.apache.thrift.protocol.TProtocol prot, get_args struct) throws org.apache.thrift.TException {
        TTupleProtocol iprot = (TTupleProtocol) prot;
        BitSet incoming = iprot.readBitSet(3);
        if (incoming.get(0)) {
          struct.blockId = iprot.readI64();
          struct.setBlockIdIsSet(true);
        }
        if (incoming.get(1)) {
          struct.key = iprot.readBinary();
          struct.setKeyIsSet(true);
        }
        if (incoming.get(2)) {
          struct.options = new GetTOptions();
          struct.options.read(iprot);
          struct.setOptionsIsSet(true);
        }
      }
    }

  }

  public static class get_result implements org.apache.thrift.TBase<get_result, get_result._Fields>, java.io.Serializable, Cloneable, Comparable<get_result>   {
    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("get_result");

    private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.STRUCT, (short)0);
    private static final org.apache.thrift.protocol.TField E_FIELD_DESC = new org.apache.thrift.protocol.TField("e", org.apache.thrift.protocol.TType.STRUCT, (short)1);

    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
    static {
      schemes.put(StandardScheme.class, new get_resultStandardSchemeFactory());
      schemes.put(TupleScheme.class, new get_resultTupleSchemeFactory());
    }

    private GetTResponse success; // required
    private alluxio.thrift.AlluxioTException e; // required

    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
      SUCCESS((short)0, "success"),
      E((short)1, "e");

      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

      static {
        for (_Fields field : EnumSet.allOf(_Fields.class)) {
          byName.put(field.getFieldName(), field);
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, or null if its not found.
       */
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 0: // SUCCESS
            return SUCCESS;
          case 1: // E
            return E;
          default:
            return null;
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, throwing an exception
       * if it is not found.
       */
      public static _Fields findByThriftIdOrThrow(int fieldId) {
        _Fields fields = findByThriftId(fieldId);
        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
        return fields;
      }

      /**
       * Find the _Fields constant that matches name, or null if its not found.
       */
      public static _Fields findByName(String name) {
        return byName.get(name);
      }

      private final short _thriftId;
      private final String _fieldName;

      _Fields(short thriftId, String fieldName) {
        _thriftId = thriftId;
        _fieldName = fieldName;
      }

      public short getThriftFieldId() {
        return _thriftId;
      }

      public String getFieldName() {
        return _fieldName;
      }
    }

    // isset id assignments
    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
    static {
      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
      tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, GetTResponse.class)));
      tmpMap.put(_Fields.E, new org.apache.thrift.meta_data.FieldMetaData("e", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRUCT)));
      metaDataMap = Collections.unmodifiableMap(tmpMap);
      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(get_result.class, metaDataMap);
    }

    public get_result() {
    }

    public get_result(
      GetTResponse success,
      alluxio.thrift.AlluxioTException e)
    {
      this();
      this.success = success;
      this.e = e;
    }

    /**
     * Performs a deep copy on <i>other</i>.
     */
    public get_result(get_result other) {
      if (other.isSetSuccess()) {
        this.success = new GetTResponse(other.success);
      }
      if (other.isSetE()) {
        this.e = new alluxio.thrift.AlluxioTException(other.e);
      }
    }

    public get_result deepCopy() {
      return new get_result(this);
    }

    @Override
    public void clear() {
      this.success = null;
      this.e = null;
    }

    public GetTResponse getSuccess() {
      return this.success;
    }

    public get_result setSuccess(GetTResponse success) {
      this.success = success;
      return this;
    }

    public void unsetSuccess() {
      this.success = null;
    }

    /** Returns true if field success is set (has been assigned a value) and false otherwise */
    public boolean isSetSuccess() {
      return this.success != null;
    }

    public void setSuccessIsSet(boolean value) {
      if (!value) {
        this.success = null;
      }
    }

    public alluxio.thrift.AlluxioTException getE() {
      return this.e;
    }

    public get_result setE(alluxio.thrift.AlluxioTException e) {
      this.e = e;
      return this;
    }

    public void unsetE() {
      this.e = null;
    }

    /** Returns true if field e is set (has been assigned a value) and false otherwise */
    public boolean isSetE() {
      return this.e != null;
    }

    public void setEIsSet(boolean value) {
      if (!value) {
        this.e = null;
      }
    }

    public void setFieldValue(_Fields field, Object value) {
      switch (field) {
      case SUCCESS:
        if (value == null) {
          unsetSuccess();
        } else {
          setSuccess((GetTResponse)value);
        }
        break;

      case E:
        if (value == null) {
          unsetE();
        } else {
          setE((alluxio.thrift.AlluxioTException)value);
        }
        break;

      }
    }

    public Object getFieldValue(_Fields field) {
      switch (field) {
      case SUCCESS:
        return getSuccess();

      case E:
        return getE();

      }
      throw new IllegalStateException();
    }

    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
    public boolean isSet(_Fields field) {
      if (field == null) {
        throw new IllegalArgumentException();
      }

      switch (field) {
      case SUCCESS:
        return isSetSuccess();
      case E:
        return isSetE();
      }
      throw new IllegalStateException();
    }

    @Override
    public boolean equals(Object that) {
      if (that == null)
        return false;
      if (that instanceof get_result)
        return this.equals((get_result)that);
      return false;
    }

    public boolean equals(get_result that) {
      if (that == null)
        return false;

      boolean this_present_success = true && this.isSetSuccess();
      boolean that_present_success = true && that.isSetSuccess();
      if (this_present_success || that_present_success) {
        if (!(this_present_success && that_present_success))
          return false;
        if (!this.success.equals(that.success))
          return false;
      }

      boolean this_present_e = true && this.isSetE();
      boolean that_present_e = true && that.isSetE();
      if (this_present_e || that_present_e) {
        if (!(this_present_e && that_present_e))
          return false;
        if (!this.e.equals(that.e))
          return false;
      }

      return true;
    }

    @Override
    public int hashCode() {
      List<Object> list = new ArrayList<Object>();

      boolean present_success = true && (isSetSuccess());
      list.add(present_success);
      if (present_success)
        list.add(success);

      boolean present_e = true && (isSetE());
      list.add(present_e);
      if (present_e)
        list.add(e);

      return list.hashCode();
    }

    @Override
    public int compareTo(get_result other) {
      if (!getClass().equals(other.getClass())) {
        return getClass().getName().compareTo(other.getClass().getName());
      }

      int lastComparison = 0;

      lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(other.isSetSuccess());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetSuccess()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, other.success);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetE()).compareTo(other.isSetE());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetE()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.e, other.e);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      return 0;
    }

    public _Fields fieldForId(int fieldId) {
      return _Fields.findByThriftId(fieldId);
    }

    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
      }

    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("get_result(");
      boolean first = true;

      sb.append("success:");
      if (this.success == null) {
        sb.append("null");
      } else {
        sb.append(this.success);
      }
      first = false;
      if (!first) sb.append(", ");
      sb.append("e:");
      if (this.e == null) {
        sb.append("null");
      } else {
        sb.append(this.e);
      }
      first = false;
      sb.append(")");
      return sb.toString();
    }

    public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (success != null) {
        success.validate();
      }
    }

    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
      try {
        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
      try {
        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private static class get_resultStandardSchemeFactory implements SchemeFactory {
      public get_resultStandardScheme getScheme() {
        return new get_resultStandardScheme();
      }
    }

    private static class get_resultStandardScheme extends StandardScheme<get_result> {

      public void read(org.apache.thrift.protocol.TProtocol iprot, get_result struct) throws org.apache.thrift.TException {
        org.apache.thrift.protocol.TField schemeField;
        iprot.readStructBegin();
        while (true)
        {
          schemeField = iprot.readFieldBegin();
          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
            break;
          }
          switch (schemeField.id) {
            case 0: // SUCCESS
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.success = new GetTResponse();
                struct.success.read(iprot);
                struct.setSuccessIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 1: // E
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.e = new alluxio.thrift.AlluxioTException();
                struct.e.read(iprot);
                struct.setEIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            default:
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
          }
          iprot.readFieldEnd();
        }
        iprot.readStructEnd();

        // check for required fields of primitive type, which can't be checked in the validate method
        struct.validate();
      }

      public void write(org.apache.thrift.protocol.TProtocol oprot, get_result struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        if (struct.success != null) {
          oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
          struct.success.write(oprot);
          oprot.writeFieldEnd();
        }
        if (struct.e != null) {
          oprot.writeFieldBegin(E_FIELD_DESC);
          struct.e.write(oprot);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }

    }

    private static class get_resultTupleSchemeFactory implements SchemeFactory {
      public get_resultTupleScheme getScheme() {
        return new get_resultTupleScheme();
      }
    }

    private static class get_resultTupleScheme extends TupleScheme<get_result> {

      @Override
      public void write(org.apache.thrift.protocol.TProtocol prot, get_result struct) throws org.apache.thrift.TException {
        TTupleProtocol oprot = (TTupleProtocol) prot;
        BitSet optionals = new BitSet();
        if (struct.isSetSuccess()) {
          optionals.set(0);
        }
        if (struct.isSetE()) {
          optionals.set(1);
        }
        oprot.writeBitSet(optionals, 2);
        if (struct.isSetSuccess()) {
          struct.success.write(oprot);
        }
        if (struct.isSetE()) {
          struct.e.write(oprot);
        }
      }

      @Override
      public void read(org.apache.thrift.protocol.TProtocol prot, get_result struct) throws org.apache.thrift.TException {
        TTupleProtocol iprot = (TTupleProtocol) prot;
        BitSet incoming = iprot.readBitSet(2);
        if (incoming.get(0)) {
          struct.success = new GetTResponse();
          struct.success.read(iprot);
          struct.setSuccessIsSet(true);
        }
        if (incoming.get(1)) {
          struct.e = new alluxio.thrift.AlluxioTException();
          struct.e.read(iprot);
          struct.setEIsSet(true);
        }
      }
    }

  }

  public static class getNextKeys_args implements org.apache.thrift.TBase<getNextKeys_args, getNextKeys_args._Fields>, java.io.Serializable, Cloneable, Comparable<getNextKeys_args>   {
    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("getNextKeys_args");

    private static final org.apache.thrift.protocol.TField BLOCK_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("blockId", org.apache.thrift.protocol.TType.I64, (short)1);
    private static final org.apache.thrift.protocol.TField KEY_FIELD_DESC = new org.apache.thrift.protocol.TField("key", org.apache.thrift.protocol.TType.STRING, (short)2);
    private static final org.apache.thrift.protocol.TField NUM_KEYS_FIELD_DESC = new org.apache.thrift.protocol.TField("numKeys", org.apache.thrift.protocol.TType.I32, (short)3);
    private static final org.apache.thrift.protocol.TField OPTIONS_FIELD_DESC = new org.apache.thrift.protocol.TField("options", org.apache.thrift.protocol.TType.STRUCT, (short)4);

    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
    static {
      schemes.put(StandardScheme.class, new getNextKeys_argsStandardSchemeFactory());
      schemes.put(TupleScheme.class, new getNextKeys_argsTupleSchemeFactory());
    }

    private long blockId; // required
    private ByteBuffer key; // required
    private int numKeys; // required
    private GetNextKeysTOptions options; // required

    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
      /**
       * the id of the partition
       */
      BLOCK_ID((short)1, "blockId"),
      /**
       * current key
       */
      KEY((short)2, "key"),
      /**
       * maximum number of keys to get
       */
      NUM_KEYS((short)3, "numKeys"),
      /**
       * the method options
       */
      OPTIONS((short)4, "options");

      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

      static {
        for (_Fields field : EnumSet.allOf(_Fields.class)) {
          byName.put(field.getFieldName(), field);
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, or null if its not found.
       */
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 1: // BLOCK_ID
            return BLOCK_ID;
          case 2: // KEY
            return KEY;
          case 3: // NUM_KEYS
            return NUM_KEYS;
          case 4: // OPTIONS
            return OPTIONS;
          default:
            return null;
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, throwing an exception
       * if it is not found.
       */
      public static _Fields findByThriftIdOrThrow(int fieldId) {
        _Fields fields = findByThriftId(fieldId);
        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
        return fields;
      }

      /**
       * Find the _Fields constant that matches name, or null if its not found.
       */
      public static _Fields findByName(String name) {
        return byName.get(name);
      }

      private final short _thriftId;
      private final String _fieldName;

      _Fields(short thriftId, String fieldName) {
        _thriftId = thriftId;
        _fieldName = fieldName;
      }

      public short getThriftFieldId() {
        return _thriftId;
      }

      public String getFieldName() {
        return _fieldName;
      }
    }

    // isset id assignments
    private static final int __BLOCKID_ISSET_ID = 0;
    private static final int __NUMKEYS_ISSET_ID = 1;
    private byte __isset_bitfield = 0;
    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
    static {
      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
      tmpMap.put(_Fields.BLOCK_ID, new org.apache.thrift.meta_data.FieldMetaData("blockId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
      tmpMap.put(_Fields.KEY, new org.apache.thrift.meta_data.FieldMetaData("key", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING          , true)));
      tmpMap.put(_Fields.NUM_KEYS, new org.apache.thrift.meta_data.FieldMetaData("numKeys", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
      tmpMap.put(_Fields.OPTIONS, new org.apache.thrift.meta_data.FieldMetaData("options", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, GetNextKeysTOptions.class)));
      metaDataMap = Collections.unmodifiableMap(tmpMap);
      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(getNextKeys_args.class, metaDataMap);
    }

    public getNextKeys_args() {
    }

    public getNextKeys_args(
      long blockId,
      ByteBuffer key,
      int numKeys,
      GetNextKeysTOptions options)
    {
      this();
      this.blockId = blockId;
      setBlockIdIsSet(true);
      this.key = org.apache.thrift.TBaseHelper.copyBinary(key);
      this.numKeys = numKeys;
      setNumKeysIsSet(true);
      this.options = options;
    }

    /**
     * Performs a deep copy on <i>other</i>.
     */
    public getNextKeys_args(getNextKeys_args other) {
      __isset_bitfield = other.__isset_bitfield;
      this.blockId = other.blockId;
      if (other.isSetKey()) {
        this.key = org.apache.thrift.TBaseHelper.copyBinary(other.key);
      }
      this.numKeys = other.numKeys;
      if (other.isSetOptions()) {
        this.options = new GetNextKeysTOptions(other.options);
      }
    }

    public getNextKeys_args deepCopy() {
      return new getNextKeys_args(this);
    }

    @Override
    public void clear() {
      setBlockIdIsSet(false);
      this.blockId = 0;
      this.key = null;
      setNumKeysIsSet(false);
      this.numKeys = 0;
      this.options = null;
    }

    /**
     * the id of the partition
     */
    public long getBlockId() {
      return this.blockId;
    }

    /**
     * the id of the partition
     */
    public getNextKeys_args setBlockId(long blockId) {
      this.blockId = blockId;
      setBlockIdIsSet(true);
      return this;
    }

    public void unsetBlockId() {
      __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __BLOCKID_ISSET_ID);
    }

    /** Returns true if field blockId is set (has been assigned a value) and false otherwise */
    public boolean isSetBlockId() {
      return EncodingUtils.testBit(__isset_bitfield, __BLOCKID_ISSET_ID);
    }

    public void setBlockIdIsSet(boolean value) {
      __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __BLOCKID_ISSET_ID, value);
    }

    /**
     * current key
     */
    public byte[] getKey() {
      setKey(org.apache.thrift.TBaseHelper.rightSize(key));
      return key == null ? null : key.array();
    }

    public ByteBuffer bufferForKey() {
      return org.apache.thrift.TBaseHelper.copyBinary(key);
    }

    /**
     * current key
     */
    public getNextKeys_args setKey(byte[] key) {
      this.key = key == null ? (ByteBuffer)null : ByteBuffer.wrap(Arrays.copyOf(key, key.length));
      return this;
    }

    public getNextKeys_args setKey(ByteBuffer key) {
      this.key = org.apache.thrift.TBaseHelper.copyBinary(key);
      return this;
    }

    public void unsetKey() {
      this.key = null;
    }

    /** Returns true if field key is set (has been assigned a value) and false otherwise */
    public boolean isSetKey() {
      return this.key != null;
    }

    public void setKeyIsSet(boolean value) {
      if (!value) {
        this.key = null;
      }
    }

    /**
     * maximum number of keys to get
     */
    public int getNumKeys() {
      return this.numKeys;
    }

    /**
     * maximum number of keys to get
     */
    public getNextKeys_args setNumKeys(int numKeys) {
      this.numKeys = numKeys;
      setNumKeysIsSet(true);
      return this;
    }

    public void unsetNumKeys() {
      __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __NUMKEYS_ISSET_ID);
    }

    /** Returns true if field numKeys is set (has been assigned a value) and false otherwise */
    public boolean isSetNumKeys() {
      return EncodingUtils.testBit(__isset_bitfield, __NUMKEYS_ISSET_ID);
    }

    public void setNumKeysIsSet(boolean value) {
      __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __NUMKEYS_ISSET_ID, value);
    }

    /**
     * the method options
     */
    public GetNextKeysTOptions getOptions() {
      return this.options;
    }

    /**
     * the method options
     */
    public getNextKeys_args setOptions(GetNextKeysTOptions options) {
      this.options = options;
      return this;
    }

    public void unsetOptions() {
      this.options = null;
    }

    /** Returns true if field options is set (has been assigned a value) and false otherwise */
    public boolean isSetOptions() {
      return this.options != null;
    }

    public void setOptionsIsSet(boolean value) {
      if (!value) {
        this.options = null;
      }
    }

    public void setFieldValue(_Fields field, Object value) {
      switch (field) {
      case BLOCK_ID:
        if (value == null) {
          unsetBlockId();
        } else {
          setBlockId((Long)value);
        }
        break;

      case KEY:
        if (value == null) {
          unsetKey();
        } else {
          setKey((ByteBuffer)value);
        }
        break;

      case NUM_KEYS:
        if (value == null) {
          unsetNumKeys();
        } else {
          setNumKeys((Integer)value);
        }
        break;

      case OPTIONS:
        if (value == null) {
          unsetOptions();
        } else {
          setOptions((GetNextKeysTOptions)value);
        }
        break;

      }
    }

    public Object getFieldValue(_Fields field) {
      switch (field) {
      case BLOCK_ID:
        return getBlockId();

      case KEY:
        return getKey();

      case NUM_KEYS:
        return getNumKeys();

      case OPTIONS:
        return getOptions();

      }
      throw new IllegalStateException();
    }

    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
    public boolean isSet(_Fields field) {
      if (field == null) {
        throw new IllegalArgumentException();
      }

      switch (field) {
      case BLOCK_ID:
        return isSetBlockId();
      case KEY:
        return isSetKey();
      case NUM_KEYS:
        return isSetNumKeys();
      case OPTIONS:
        return isSetOptions();
      }
      throw new IllegalStateException();
    }

    @Override
    public boolean equals(Object that) {
      if (that == null)
        return false;
      if (that instanceof getNextKeys_args)
        return this.equals((getNextKeys_args)that);
      return false;
    }

    public boolean equals(getNextKeys_args that) {
      if (that == null)
        return false;

      boolean this_present_blockId = true;
      boolean that_present_blockId = true;
      if (this_present_blockId || that_present_blockId) {
        if (!(this_present_blockId && that_present_blockId))
          return false;
        if (this.blockId != that.blockId)
          return false;
      }

      boolean this_present_key = true && this.isSetKey();
      boolean that_present_key = true && that.isSetKey();
      if (this_present_key || that_present_key) {
        if (!(this_present_key && that_present_key))
          return false;
        if (!this.key.equals(that.key))
          return false;
      }

      boolean this_present_numKeys = true;
      boolean that_present_numKeys = true;
      if (this_present_numKeys || that_present_numKeys) {
        if (!(this_present_numKeys && that_present_numKeys))
          return false;
        if (this.numKeys != that.numKeys)
          return false;
      }

      boolean this_present_options = true && this.isSetOptions();
      boolean that_present_options = true && that.isSetOptions();
      if (this_present_options || that_present_options) {
        if (!(this_present_options && that_present_options))
          return false;
        if (!this.options.equals(that.options))
          return false;
      }

      return true;
    }

    @Override
    public int hashCode() {
      List<Object> list = new ArrayList<Object>();

      boolean present_blockId = true;
      list.add(present_blockId);
      if (present_blockId)
        list.add(blockId);

      boolean present_key = true && (isSetKey());
      list.add(present_key);
      if (present_key)
        list.add(key);

      boolean present_numKeys = true;
      list.add(present_numKeys);
      if (present_numKeys)
        list.add(numKeys);

      boolean present_options = true && (isSetOptions());
      list.add(present_options);
      if (present_options)
        list.add(options);

      return list.hashCode();
    }

    @Override
    public int compareTo(getNextKeys_args other) {
      if (!getClass().equals(other.getClass())) {
        return getClass().getName().compareTo(other.getClass().getName());
      }

      int lastComparison = 0;

      lastComparison = Boolean.valueOf(isSetBlockId()).compareTo(other.isSetBlockId());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetBlockId()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.blockId, other.blockId);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetKey()).compareTo(other.isSetKey());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetKey()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.key, other.key);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetNumKeys()).compareTo(other.isSetNumKeys());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetNumKeys()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.numKeys, other.numKeys);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetOptions()).compareTo(other.isSetOptions());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetOptions()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.options, other.options);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      return 0;
    }

    public _Fields fieldForId(int fieldId) {
      return _Fields.findByThriftId(fieldId);
    }

    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
    }

    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("getNextKeys_args(");
      boolean first = true;

      sb.append("blockId:");
      sb.append(this.blockId);
      first = false;
      if (!first) sb.append(", ");
      sb.append("key:");
      if (this.key == null) {
        sb.append("null");
      } else {
        org.apache.thrift.TBaseHelper.toString(this.key, sb);
      }
      first = false;
      if (!first) sb.append(", ");
      sb.append("numKeys:");
      sb.append(this.numKeys);
      first = false;
      if (!first) sb.append(", ");
      sb.append("options:");
      if (this.options == null) {
        sb.append("null");
      } else {
        sb.append(this.options);
      }
      first = false;
      sb.append(")");
      return sb.toString();
    }

    public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (options != null) {
        options.validate();
      }
    }

    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
      try {
        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
      try {
        // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
        __isset_bitfield = 0;
        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private static class getNextKeys_argsStandardSchemeFactory implements SchemeFactory {
      public getNextKeys_argsStandardScheme getScheme() {
        return new getNextKeys_argsStandardScheme();
      }
    }

    private static class getNextKeys_argsStandardScheme extends StandardScheme<getNextKeys_args> {

      public void read(org.apache.thrift.protocol.TProtocol iprot, getNextKeys_args struct) throws org.apache.thrift.TException {
        org.apache.thrift.protocol.TField schemeField;
        iprot.readStructBegin();
        while (true)
        {
          schemeField = iprot.readFieldBegin();
          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
            break;
          }
          switch (schemeField.id) {
            case 1: // BLOCK_ID
              if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
                struct.blockId = iprot.readI64();
                struct.setBlockIdIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 2: // KEY
              if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
                struct.key = iprot.readBinary();
                struct.setKeyIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 3: // NUM_KEYS
              if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
                struct.numKeys = iprot.readI32();
                struct.setNumKeysIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 4: // OPTIONS
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.options = new GetNextKeysTOptions();
                struct.options.read(iprot);
                struct.setOptionsIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            default:
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
          }
          iprot.readFieldEnd();
        }
        iprot.readStructEnd();

        // check for required fields of primitive type, which can't be checked in the validate method
        struct.validate();
      }

      public void write(org.apache.thrift.protocol.TProtocol oprot, getNextKeys_args struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        oprot.writeFieldBegin(BLOCK_ID_FIELD_DESC);
        oprot.writeI64(struct.blockId);
        oprot.writeFieldEnd();
        if (struct.key != null) {
          oprot.writeFieldBegin(KEY_FIELD_DESC);
          oprot.writeBinary(struct.key);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldBegin(NUM_KEYS_FIELD_DESC);
        oprot.writeI32(struct.numKeys);
        oprot.writeFieldEnd();
        if (struct.options != null) {
          oprot.writeFieldBegin(OPTIONS_FIELD_DESC);
          struct.options.write(oprot);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }

    }

    private static class getNextKeys_argsTupleSchemeFactory implements SchemeFactory {
      public getNextKeys_argsTupleScheme getScheme() {
        return new getNextKeys_argsTupleScheme();
      }
    }

    private static class getNextKeys_argsTupleScheme extends TupleScheme<getNextKeys_args> {

      @Override
      public void write(org.apache.thrift.protocol.TProtocol prot, getNextKeys_args struct) throws org.apache.thrift.TException {
        TTupleProtocol oprot = (TTupleProtocol) prot;
        BitSet optionals = new BitSet();
        if (struct.isSetBlockId()) {
          optionals.set(0);
        }
        if (struct.isSetKey()) {
          optionals.set(1);
        }
        if (struct.isSetNumKeys()) {
          optionals.set(2);
        }
        if (struct.isSetOptions()) {
          optionals.set(3);
        }
        oprot.writeBitSet(optionals, 4);
        if (struct.isSetBlockId()) {
          oprot.writeI64(struct.blockId);
        }
        if (struct.isSetKey()) {
          oprot.writeBinary(struct.key);
        }
        if (struct.isSetNumKeys()) {
          oprot.writeI32(struct.numKeys);
        }
        if (struct.isSetOptions()) {
          struct.options.write(oprot);
        }
      }

      @Override
      public void read(org.apache.thrift.protocol.TProtocol prot, getNextKeys_args struct) throws org.apache.thrift.TException {
        TTupleProtocol iprot = (TTupleProtocol) prot;
        BitSet incoming = iprot.readBitSet(4);
        if (incoming.get(0)) {
          struct.blockId = iprot.readI64();
          struct.setBlockIdIsSet(true);
        }
        if (incoming.get(1)) {
          struct.key = iprot.readBinary();
          struct.setKeyIsSet(true);
        }
        if (incoming.get(2)) {
          struct.numKeys = iprot.readI32();
          struct.setNumKeysIsSet(true);
        }
        if (incoming.get(3)) {
          struct.options = new GetNextKeysTOptions();
          struct.options.read(iprot);
          struct.setOptionsIsSet(true);
        }
      }
    }

  }

  public static class getNextKeys_result implements org.apache.thrift.TBase<getNextKeys_result, getNextKeys_result._Fields>, java.io.Serializable, Cloneable, Comparable<getNextKeys_result>   {
    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("getNextKeys_result");

    private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.STRUCT, (short)0);
    private static final org.apache.thrift.protocol.TField E_FIELD_DESC = new org.apache.thrift.protocol.TField("e", org.apache.thrift.protocol.TType.STRUCT, (short)1);

    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
    static {
      schemes.put(StandardScheme.class, new getNextKeys_resultStandardSchemeFactory());
      schemes.put(TupleScheme.class, new getNextKeys_resultTupleSchemeFactory());
    }

    private GetNextKeysTResponse success; // required
    private alluxio.thrift.AlluxioTException e; // required

    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
      SUCCESS((short)0, "success"),
      E((short)1, "e");

      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

      static {
        for (_Fields field : EnumSet.allOf(_Fields.class)) {
          byName.put(field.getFieldName(), field);
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, or null if its not found.
       */
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 0: // SUCCESS
            return SUCCESS;
          case 1: // E
            return E;
          default:
            return null;
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, throwing an exception
       * if it is not found.
       */
      public static _Fields findByThriftIdOrThrow(int fieldId) {
        _Fields fields = findByThriftId(fieldId);
        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
        return fields;
      }

      /**
       * Find the _Fields constant that matches name, or null if its not found.
       */
      public static _Fields findByName(String name) {
        return byName.get(name);
      }

      private final short _thriftId;
      private final String _fieldName;

      _Fields(short thriftId, String fieldName) {
        _thriftId = thriftId;
        _fieldName = fieldName;
      }

      public short getThriftFieldId() {
        return _thriftId;
      }

      public String getFieldName() {
        return _fieldName;
      }
    }

    // isset id assignments
    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
    static {
      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
      tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, GetNextKeysTResponse.class)));
      tmpMap.put(_Fields.E, new org.apache.thrift.meta_data.FieldMetaData("e", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRUCT)));
      metaDataMap = Collections.unmodifiableMap(tmpMap);
      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(getNextKeys_result.class, metaDataMap);
    }

    public getNextKeys_result() {
    }

    public getNextKeys_result(
      GetNextKeysTResponse success,
      alluxio.thrift.AlluxioTException e)
    {
      this();
      this.success = success;
      this.e = e;
    }

    /**
     * Performs a deep copy on <i>other</i>.
     */
    public getNextKeys_result(getNextKeys_result other) {
      if (other.isSetSuccess()) {
        this.success = new GetNextKeysTResponse(other.success);
      }
      if (other.isSetE()) {
        this.e = new alluxio.thrift.AlluxioTException(other.e);
      }
    }

    public getNextKeys_result deepCopy() {
      return new getNextKeys_result(this);
    }

    @Override
    public void clear() {
      this.success = null;
      this.e = null;
    }

    public GetNextKeysTResponse getSuccess() {
      return this.success;
    }

    public getNextKeys_result setSuccess(GetNextKeysTResponse success) {
      this.success = success;
      return this;
    }

    public void unsetSuccess() {
      this.success = null;
    }

    /** Returns true if field success is set (has been assigned a value) and false otherwise */
    public boolean isSetSuccess() {
      return this.success != null;
    }

    public void setSuccessIsSet(boolean value) {
      if (!value) {
        this.success = null;
      }
    }

    public alluxio.thrift.AlluxioTException getE() {
      return this.e;
    }

    public getNextKeys_result setE(alluxio.thrift.AlluxioTException e) {
      this.e = e;
      return this;
    }

    public void unsetE() {
      this.e = null;
    }

    /** Returns true if field e is set (has been assigned a value) and false otherwise */
    public boolean isSetE() {
      return this.e != null;
    }

    public void setEIsSet(boolean value) {
      if (!value) {
        this.e = null;
      }
    }

    public void setFieldValue(_Fields field, Object value) {
      switch (field) {
      case SUCCESS:
        if (value == null) {
          unsetSuccess();
        } else {
          setSuccess((GetNextKeysTResponse)value);
        }
        break;

      case E:
        if (value == null) {
          unsetE();
        } else {
          setE((alluxio.thrift.AlluxioTException)value);
        }
        break;

      }
    }

    public Object getFieldValue(_Fields field) {
      switch (field) {
      case SUCCESS:
        return getSuccess();

      case E:
        return getE();

      }
      throw new IllegalStateException();
    }

    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
    public boolean isSet(_Fields field) {
      if (field == null) {
        throw new IllegalArgumentException();
      }

      switch (field) {
      case SUCCESS:
        return isSetSuccess();
      case E:
        return isSetE();
      }
      throw new IllegalStateException();
    }

    @Override
    public boolean equals(Object that) {
      if (that == null)
        return false;
      if (that instanceof getNextKeys_result)
        return this.equals((getNextKeys_result)that);
      return false;
    }

    public boolean equals(getNextKeys_result that) {
      if (that == null)
        return false;

      boolean this_present_success = true && this.isSetSuccess();
      boolean that_present_success = true && that.isSetSuccess();
      if (this_present_success || that_present_success) {
        if (!(this_present_success && that_present_success))
          return false;
        if (!this.success.equals(that.success))
          return false;
      }

      boolean this_present_e = true && this.isSetE();
      boolean that_present_e = true && that.isSetE();
      if (this_present_e || that_present_e) {
        if (!(this_present_e && that_present_e))
          return false;
        if (!this.e.equals(that.e))
          return false;
      }

      return true;
    }

    @Override
    public int hashCode() {
      List<Object> list = new ArrayList<Object>();

      boolean present_success = true && (isSetSuccess());
      list.add(present_success);
      if (present_success)
        list.add(success);

      boolean present_e = true && (isSetE());
      list.add(present_e);
      if (present_e)
        list.add(e);

      return list.hashCode();
    }

    @Override
    public int compareTo(getNextKeys_result other) {
      if (!getClass().equals(other.getClass())) {
        return getClass().getName().compareTo(other.getClass().getName());
      }

      int lastComparison = 0;

      lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(other.isSetSuccess());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetSuccess()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, other.success);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetE()).compareTo(other.isSetE());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetE()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.e, other.e);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      return 0;
    }

    public _Fields fieldForId(int fieldId) {
      return _Fields.findByThriftId(fieldId);
    }

    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
      }

    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("getNextKeys_result(");
      boolean first = true;

      sb.append("success:");
      if (this.success == null) {
        sb.append("null");
      } else {
        sb.append(this.success);
      }
      first = false;
      if (!first) sb.append(", ");
      sb.append("e:");
      if (this.e == null) {
        sb.append("null");
      } else {
        sb.append(this.e);
      }
      first = false;
      sb.append(")");
      return sb.toString();
    }

    public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (success != null) {
        success.validate();
      }
    }

    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
      try {
        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
      try {
        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private static class getNextKeys_resultStandardSchemeFactory implements SchemeFactory {
      public getNextKeys_resultStandardScheme getScheme() {
        return new getNextKeys_resultStandardScheme();
      }
    }

    private static class getNextKeys_resultStandardScheme extends StandardScheme<getNextKeys_result> {

      public void read(org.apache.thrift.protocol.TProtocol iprot, getNextKeys_result struct) throws org.apache.thrift.TException {
        org.apache.thrift.protocol.TField schemeField;
        iprot.readStructBegin();
        while (true)
        {
          schemeField = iprot.readFieldBegin();
          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
            break;
          }
          switch (schemeField.id) {
            case 0: // SUCCESS
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.success = new GetNextKeysTResponse();
                struct.success.read(iprot);
                struct.setSuccessIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 1: // E
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.e = new alluxio.thrift.AlluxioTException();
                struct.e.read(iprot);
                struct.setEIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            default:
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
          }
          iprot.readFieldEnd();
        }
        iprot.readStructEnd();

        // check for required fields of primitive type, which can't be checked in the validate method
        struct.validate();
      }

      public void write(org.apache.thrift.protocol.TProtocol oprot, getNextKeys_result struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        if (struct.success != null) {
          oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
          struct.success.write(oprot);
          oprot.writeFieldEnd();
        }
        if (struct.e != null) {
          oprot.writeFieldBegin(E_FIELD_DESC);
          struct.e.write(oprot);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }

    }

    private static class getNextKeys_resultTupleSchemeFactory implements SchemeFactory {
      public getNextKeys_resultTupleScheme getScheme() {
        return new getNextKeys_resultTupleScheme();
      }
    }

    private static class getNextKeys_resultTupleScheme extends TupleScheme<getNextKeys_result> {

      @Override
      public void write(org.apache.thrift.protocol.TProtocol prot, getNextKeys_result struct) throws org.apache.thrift.TException {
        TTupleProtocol oprot = (TTupleProtocol) prot;
        BitSet optionals = new BitSet();
        if (struct.isSetSuccess()) {
          optionals.set(0);
        }
        if (struct.isSetE()) {
          optionals.set(1);
        }
        oprot.writeBitSet(optionals, 2);
        if (struct.isSetSuccess()) {
          struct.success.write(oprot);
        }
        if (struct.isSetE()) {
          struct.e.write(oprot);
        }
      }

      @Override
      public void read(org.apache.thrift.protocol.TProtocol prot, getNextKeys_result struct) throws org.apache.thrift.TException {
        TTupleProtocol iprot = (TTupleProtocol) prot;
        BitSet incoming = iprot.readBitSet(2);
        if (incoming.get(0)) {
          struct.success = new GetNextKeysTResponse();
          struct.success.read(iprot);
          struct.setSuccessIsSet(true);
        }
        if (incoming.get(1)) {
          struct.e = new alluxio.thrift.AlluxioTException();
          struct.e.read(iprot);
          struct.setEIsSet(true);
        }
      }
    }

  }

  public static class getSize_args implements org.apache.thrift.TBase<getSize_args, getSize_args._Fields>, java.io.Serializable, Cloneable, Comparable<getSize_args>   {
    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("getSize_args");

    private static final org.apache.thrift.protocol.TField BLOCK_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("blockId", org.apache.thrift.protocol.TType.I64, (short)1);
    private static final org.apache.thrift.protocol.TField OPTIONS_FIELD_DESC = new org.apache.thrift.protocol.TField("options", org.apache.thrift.protocol.TType.STRUCT, (short)2);

    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
    static {
      schemes.put(StandardScheme.class, new getSize_argsStandardSchemeFactory());
      schemes.put(TupleScheme.class, new getSize_argsTupleSchemeFactory());
    }

    private long blockId; // required
    private GetSizeTOptions options; // required

    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
      /**
       * the id of the partition
       */
      BLOCK_ID((short)1, "blockId"),
      /**
       * the method options
       */
      OPTIONS((short)2, "options");

      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

      static {
        for (_Fields field : EnumSet.allOf(_Fields.class)) {
          byName.put(field.getFieldName(), field);
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, or null if its not found.
       */
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 1: // BLOCK_ID
            return BLOCK_ID;
          case 2: // OPTIONS
            return OPTIONS;
          default:
            return null;
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, throwing an exception
       * if it is not found.
       */
      public static _Fields findByThriftIdOrThrow(int fieldId) {
        _Fields fields = findByThriftId(fieldId);
        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
        return fields;
      }

      /**
       * Find the _Fields constant that matches name, or null if its not found.
       */
      public static _Fields findByName(String name) {
        return byName.get(name);
      }

      private final short _thriftId;
      private final String _fieldName;

      _Fields(short thriftId, String fieldName) {
        _thriftId = thriftId;
        _fieldName = fieldName;
      }

      public short getThriftFieldId() {
        return _thriftId;
      }

      public String getFieldName() {
        return _fieldName;
      }
    }

    // isset id assignments
    private static final int __BLOCKID_ISSET_ID = 0;
    private byte __isset_bitfield = 0;
    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
    static {
      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
      tmpMap.put(_Fields.BLOCK_ID, new org.apache.thrift.meta_data.FieldMetaData("blockId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I64)));
      tmpMap.put(_Fields.OPTIONS, new org.apache.thrift.meta_data.FieldMetaData("options", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, GetSizeTOptions.class)));
      metaDataMap = Collections.unmodifiableMap(tmpMap);
      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(getSize_args.class, metaDataMap);
    }

    public getSize_args() {
    }

    public getSize_args(
      long blockId,
      GetSizeTOptions options)
    {
      this();
      this.blockId = blockId;
      setBlockIdIsSet(true);
      this.options = options;
    }

    /**
     * Performs a deep copy on <i>other</i>.
     */
    public getSize_args(getSize_args other) {
      __isset_bitfield = other.__isset_bitfield;
      this.blockId = other.blockId;
      if (other.isSetOptions()) {
        this.options = new GetSizeTOptions(other.options);
      }
    }

    public getSize_args deepCopy() {
      return new getSize_args(this);
    }

    @Override
    public void clear() {
      setBlockIdIsSet(false);
      this.blockId = 0;
      this.options = null;
    }

    /**
     * the id of the partition
     */
    public long getBlockId() {
      return this.blockId;
    }

    /**
     * the id of the partition
     */
    public getSize_args setBlockId(long blockId) {
      this.blockId = blockId;
      setBlockIdIsSet(true);
      return this;
    }

    public void unsetBlockId() {
      __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __BLOCKID_ISSET_ID);
    }

    /** Returns true if field blockId is set (has been assigned a value) and false otherwise */
    public boolean isSetBlockId() {
      return EncodingUtils.testBit(__isset_bitfield, __BLOCKID_ISSET_ID);
    }

    public void setBlockIdIsSet(boolean value) {
      __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __BLOCKID_ISSET_ID, value);
    }

    /**
     * the method options
     */
    public GetSizeTOptions getOptions() {
      return this.options;
    }

    /**
     * the method options
     */
    public getSize_args setOptions(GetSizeTOptions options) {
      this.options = options;
      return this;
    }

    public void unsetOptions() {
      this.options = null;
    }

    /** Returns true if field options is set (has been assigned a value) and false otherwise */
    public boolean isSetOptions() {
      return this.options != null;
    }

    public void setOptionsIsSet(boolean value) {
      if (!value) {
        this.options = null;
      }
    }

    public void setFieldValue(_Fields field, Object value) {
      switch (field) {
      case BLOCK_ID:
        if (value == null) {
          unsetBlockId();
        } else {
          setBlockId((Long)value);
        }
        break;

      case OPTIONS:
        if (value == null) {
          unsetOptions();
        } else {
          setOptions((GetSizeTOptions)value);
        }
        break;

      }
    }

    public Object getFieldValue(_Fields field) {
      switch (field) {
      case BLOCK_ID:
        return getBlockId();

      case OPTIONS:
        return getOptions();

      }
      throw new IllegalStateException();
    }

    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
    public boolean isSet(_Fields field) {
      if (field == null) {
        throw new IllegalArgumentException();
      }

      switch (field) {
      case BLOCK_ID:
        return isSetBlockId();
      case OPTIONS:
        return isSetOptions();
      }
      throw new IllegalStateException();
    }

    @Override
    public boolean equals(Object that) {
      if (that == null)
        return false;
      if (that instanceof getSize_args)
        return this.equals((getSize_args)that);
      return false;
    }

    public boolean equals(getSize_args that) {
      if (that == null)
        return false;

      boolean this_present_blockId = true;
      boolean that_present_blockId = true;
      if (this_present_blockId || that_present_blockId) {
        if (!(this_present_blockId && that_present_blockId))
          return false;
        if (this.blockId != that.blockId)
          return false;
      }

      boolean this_present_options = true && this.isSetOptions();
      boolean that_present_options = true && that.isSetOptions();
      if (this_present_options || that_present_options) {
        if (!(this_present_options && that_present_options))
          return false;
        if (!this.options.equals(that.options))
          return false;
      }

      return true;
    }

    @Override
    public int hashCode() {
      List<Object> list = new ArrayList<Object>();

      boolean present_blockId = true;
      list.add(present_blockId);
      if (present_blockId)
        list.add(blockId);

      boolean present_options = true && (isSetOptions());
      list.add(present_options);
      if (present_options)
        list.add(options);

      return list.hashCode();
    }

    @Override
    public int compareTo(getSize_args other) {
      if (!getClass().equals(other.getClass())) {
        return getClass().getName().compareTo(other.getClass().getName());
      }

      int lastComparison = 0;

      lastComparison = Boolean.valueOf(isSetBlockId()).compareTo(other.isSetBlockId());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetBlockId()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.blockId, other.blockId);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetOptions()).compareTo(other.isSetOptions());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetOptions()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.options, other.options);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      return 0;
    }

    public _Fields fieldForId(int fieldId) {
      return _Fields.findByThriftId(fieldId);
    }

    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
    }

    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("getSize_args(");
      boolean first = true;

      sb.append("blockId:");
      sb.append(this.blockId);
      first = false;
      if (!first) sb.append(", ");
      sb.append("options:");
      if (this.options == null) {
        sb.append("null");
      } else {
        sb.append(this.options);
      }
      first = false;
      sb.append(")");
      return sb.toString();
    }

    public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (options != null) {
        options.validate();
      }
    }

    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
      try {
        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
      try {
        // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
        __isset_bitfield = 0;
        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private static class getSize_argsStandardSchemeFactory implements SchemeFactory {
      public getSize_argsStandardScheme getScheme() {
        return new getSize_argsStandardScheme();
      }
    }

    private static class getSize_argsStandardScheme extends StandardScheme<getSize_args> {

      public void read(org.apache.thrift.protocol.TProtocol iprot, getSize_args struct) throws org.apache.thrift.TException {
        org.apache.thrift.protocol.TField schemeField;
        iprot.readStructBegin();
        while (true)
        {
          schemeField = iprot.readFieldBegin();
          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
            break;
          }
          switch (schemeField.id) {
            case 1: // BLOCK_ID
              if (schemeField.type == org.apache.thrift.protocol.TType.I64) {
                struct.blockId = iprot.readI64();
                struct.setBlockIdIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 2: // OPTIONS
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.options = new GetSizeTOptions();
                struct.options.read(iprot);
                struct.setOptionsIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            default:
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
          }
          iprot.readFieldEnd();
        }
        iprot.readStructEnd();

        // check for required fields of primitive type, which can't be checked in the validate method
        struct.validate();
      }

      public void write(org.apache.thrift.protocol.TProtocol oprot, getSize_args struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        oprot.writeFieldBegin(BLOCK_ID_FIELD_DESC);
        oprot.writeI64(struct.blockId);
        oprot.writeFieldEnd();
        if (struct.options != null) {
          oprot.writeFieldBegin(OPTIONS_FIELD_DESC);
          struct.options.write(oprot);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }

    }

    private static class getSize_argsTupleSchemeFactory implements SchemeFactory {
      public getSize_argsTupleScheme getScheme() {
        return new getSize_argsTupleScheme();
      }
    }

    private static class getSize_argsTupleScheme extends TupleScheme<getSize_args> {

      @Override
      public void write(org.apache.thrift.protocol.TProtocol prot, getSize_args struct) throws org.apache.thrift.TException {
        TTupleProtocol oprot = (TTupleProtocol) prot;
        BitSet optionals = new BitSet();
        if (struct.isSetBlockId()) {
          optionals.set(0);
        }
        if (struct.isSetOptions()) {
          optionals.set(1);
        }
        oprot.writeBitSet(optionals, 2);
        if (struct.isSetBlockId()) {
          oprot.writeI64(struct.blockId);
        }
        if (struct.isSetOptions()) {
          struct.options.write(oprot);
        }
      }

      @Override
      public void read(org.apache.thrift.protocol.TProtocol prot, getSize_args struct) throws org.apache.thrift.TException {
        TTupleProtocol iprot = (TTupleProtocol) prot;
        BitSet incoming = iprot.readBitSet(2);
        if (incoming.get(0)) {
          struct.blockId = iprot.readI64();
          struct.setBlockIdIsSet(true);
        }
        if (incoming.get(1)) {
          struct.options = new GetSizeTOptions();
          struct.options.read(iprot);
          struct.setOptionsIsSet(true);
        }
      }
    }

  }

  public static class getSize_result implements org.apache.thrift.TBase<getSize_result, getSize_result._Fields>, java.io.Serializable, Cloneable, Comparable<getSize_result>   {
    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("getSize_result");

    private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.STRUCT, (short)0);
    private static final org.apache.thrift.protocol.TField E_FIELD_DESC = new org.apache.thrift.protocol.TField("e", org.apache.thrift.protocol.TType.STRUCT, (short)1);

    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
    static {
      schemes.put(StandardScheme.class, new getSize_resultStandardSchemeFactory());
      schemes.put(TupleScheme.class, new getSize_resultTupleSchemeFactory());
    }

    private GetSizeTResponse success; // required
    private alluxio.thrift.AlluxioTException e; // required

    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
      SUCCESS((short)0, "success"),
      E((short)1, "e");

      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();

      static {
        for (_Fields field : EnumSet.allOf(_Fields.class)) {
          byName.put(field.getFieldName(), field);
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, or null if its not found.
       */
      public static _Fields findByThriftId(int fieldId) {
        switch(fieldId) {
          case 0: // SUCCESS
            return SUCCESS;
          case 1: // E
            return E;
          default:
            return null;
        }
      }

      /**
       * Find the _Fields constant that matches fieldId, throwing an exception
       * if it is not found.
       */
      public static _Fields findByThriftIdOrThrow(int fieldId) {
        _Fields fields = findByThriftId(fieldId);
        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
        return fields;
      }

      /**
       * Find the _Fields constant that matches name, or null if its not found.
       */
      public static _Fields findByName(String name) {
        return byName.get(name);
      }

      private final short _thriftId;
      private final String _fieldName;

      _Fields(short thriftId, String fieldName) {
        _thriftId = thriftId;
        _fieldName = fieldName;
      }

      public short getThriftFieldId() {
        return _thriftId;
      }

      public String getFieldName() {
        return _fieldName;
      }
    }

    // isset id assignments
    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
    static {
      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
      tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, GetSizeTResponse.class)));
      tmpMap.put(_Fields.E, new org.apache.thrift.meta_data.FieldMetaData("e", org.apache.thrift.TFieldRequirementType.DEFAULT, 
          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRUCT)));
      metaDataMap = Collections.unmodifiableMap(tmpMap);
      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(getSize_result.class, metaDataMap);
    }

    public getSize_result() {
    }

    public getSize_result(
      GetSizeTResponse success,
      alluxio.thrift.AlluxioTException e)
    {
      this();
      this.success = success;
      this.e = e;
    }

    /**
     * Performs a deep copy on <i>other</i>.
     */
    public getSize_result(getSize_result other) {
      if (other.isSetSuccess()) {
        this.success = new GetSizeTResponse(other.success);
      }
      if (other.isSetE()) {
        this.e = new alluxio.thrift.AlluxioTException(other.e);
      }
    }

    public getSize_result deepCopy() {
      return new getSize_result(this);
    }

    @Override
    public void clear() {
      this.success = null;
      this.e = null;
    }

    public GetSizeTResponse getSuccess() {
      return this.success;
    }

    public getSize_result setSuccess(GetSizeTResponse success) {
      this.success = success;
      return this;
    }

    public void unsetSuccess() {
      this.success = null;
    }

    /** Returns true if field success is set (has been assigned a value) and false otherwise */
    public boolean isSetSuccess() {
      return this.success != null;
    }

    public void setSuccessIsSet(boolean value) {
      if (!value) {
        this.success = null;
      }
    }

    public alluxio.thrift.AlluxioTException getE() {
      return this.e;
    }

    public getSize_result setE(alluxio.thrift.AlluxioTException e) {
      this.e = e;
      return this;
    }

    public void unsetE() {
      this.e = null;
    }

    /** Returns true if field e is set (has been assigned a value) and false otherwise */
    public boolean isSetE() {
      return this.e != null;
    }

    public void setEIsSet(boolean value) {
      if (!value) {
        this.e = null;
      }
    }

    public void setFieldValue(_Fields field, Object value) {
      switch (field) {
      case SUCCESS:
        if (value == null) {
          unsetSuccess();
        } else {
          setSuccess((GetSizeTResponse)value);
        }
        break;

      case E:
        if (value == null) {
          unsetE();
        } else {
          setE((alluxio.thrift.AlluxioTException)value);
        }
        break;

      }
    }

    public Object getFieldValue(_Fields field) {
      switch (field) {
      case SUCCESS:
        return getSuccess();

      case E:
        return getE();

      }
      throw new IllegalStateException();
    }

    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
    public boolean isSet(_Fields field) {
      if (field == null) {
        throw new IllegalArgumentException();
      }

      switch (field) {
      case SUCCESS:
        return isSetSuccess();
      case E:
        return isSetE();
      }
      throw new IllegalStateException();
    }

    @Override
    public boolean equals(Object that) {
      if (that == null)
        return false;
      if (that instanceof getSize_result)
        return this.equals((getSize_result)that);
      return false;
    }

    public boolean equals(getSize_result that) {
      if (that == null)
        return false;

      boolean this_present_success = true && this.isSetSuccess();
      boolean that_present_success = true && that.isSetSuccess();
      if (this_present_success || that_present_success) {
        if (!(this_present_success && that_present_success))
          return false;
        if (!this.success.equals(that.success))
          return false;
      }

      boolean this_present_e = true && this.isSetE();
      boolean that_present_e = true && that.isSetE();
      if (this_present_e || that_present_e) {
        if (!(this_present_e && that_present_e))
          return false;
        if (!this.e.equals(that.e))
          return false;
      }

      return true;
    }

    @Override
    public int hashCode() {
      List<Object> list = new ArrayList<Object>();

      boolean present_success = true && (isSetSuccess());
      list.add(present_success);
      if (present_success)
        list.add(success);

      boolean present_e = true && (isSetE());
      list.add(present_e);
      if (present_e)
        list.add(e);

      return list.hashCode();
    }

    @Override
    public int compareTo(getSize_result other) {
      if (!getClass().equals(other.getClass())) {
        return getClass().getName().compareTo(other.getClass().getName());
      }

      int lastComparison = 0;

      lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(other.isSetSuccess());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetSuccess()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, other.success);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      lastComparison = Boolean.valueOf(isSetE()).compareTo(other.isSetE());
      if (lastComparison != 0) {
        return lastComparison;
      }
      if (isSetE()) {
        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.e, other.e);
        if (lastComparison != 0) {
          return lastComparison;
        }
      }
      return 0;
    }

    public _Fields fieldForId(int fieldId) {
      return _Fields.findByThriftId(fieldId);
    }

    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
    }

    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
      }

    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("getSize_result(");
      boolean first = true;

      sb.append("success:");
      if (this.success == null) {
        sb.append("null");
      } else {
        sb.append(this.success);
      }
      first = false;
      if (!first) sb.append(", ");
      sb.append("e:");
      if (this.e == null) {
        sb.append("null");
      } else {
        sb.append(this.e);
      }
      first = false;
      sb.append(")");
      return sb.toString();
    }

    public void validate() throws org.apache.thrift.TException {
      // check for required fields
      // check for sub-struct validity
      if (success != null) {
        success.validate();
      }
    }

    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
      try {
        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
      try {
        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
      } catch (org.apache.thrift.TException te) {
        throw new java.io.IOException(te);
      }
    }

    private static class getSize_resultStandardSchemeFactory implements SchemeFactory {
      public getSize_resultStandardScheme getScheme() {
        return new getSize_resultStandardScheme();
      }
    }

    private static class getSize_resultStandardScheme extends StandardScheme<getSize_result> {

      public void read(org.apache.thrift.protocol.TProtocol iprot, getSize_result struct) throws org.apache.thrift.TException {
        org.apache.thrift.protocol.TField schemeField;
        iprot.readStructBegin();
        while (true)
        {
          schemeField = iprot.readFieldBegin();
          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
            break;
          }
          switch (schemeField.id) {
            case 0: // SUCCESS
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.success = new GetSizeTResponse();
                struct.success.read(iprot);
                struct.setSuccessIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            case 1: // E
              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
                struct.e = new alluxio.thrift.AlluxioTException();
                struct.e.read(iprot);
                struct.setEIsSet(true);
              } else { 
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
              }
              break;
            default:
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
          }
          iprot.readFieldEnd();
        }
        iprot.readStructEnd();

        // check for required fields of primitive type, which can't be checked in the validate method
        struct.validate();
      }

      public void write(org.apache.thrift.protocol.TProtocol oprot, getSize_result struct) throws org.apache.thrift.TException {
        struct.validate();

        oprot.writeStructBegin(STRUCT_DESC);
        if (struct.success != null) {
          oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
          struct.success.write(oprot);
          oprot.writeFieldEnd();
        }
        if (struct.e != null) {
          oprot.writeFieldBegin(E_FIELD_DESC);
          struct.e.write(oprot);
          oprot.writeFieldEnd();
        }
        oprot.writeFieldStop();
        oprot.writeStructEnd();
      }

    }

    private static class getSize_resultTupleSchemeFactory implements SchemeFactory {
      public getSize_resultTupleScheme getScheme() {
        return new getSize_resultTupleScheme();
      }
    }

    private static class getSize_resultTupleScheme extends TupleScheme<getSize_result> {

      @Override
      public void write(org.apache.thrift.protocol.TProtocol prot, getSize_result struct) throws org.apache.thrift.TException {
        TTupleProtocol oprot = (TTupleProtocol) prot;
        BitSet optionals = new BitSet();
        if (struct.isSetSuccess()) {
          optionals.set(0);
        }
        if (struct.isSetE()) {
          optionals.set(1);
        }
        oprot.writeBitSet(optionals, 2);
        if (struct.isSetSuccess()) {
          struct.success.write(oprot);
        }
        if (struct.isSetE()) {
          struct.e.write(oprot);
        }
      }

      @Override
      public void read(org.apache.thrift.protocol.TProtocol prot, getSize_result struct) throws org.apache.thrift.TException {
        TTupleProtocol iprot = (TTupleProtocol) prot;
        BitSet incoming = iprot.readBitSet(2);
        if (incoming.get(0)) {
          struct.success = new GetSizeTResponse();
          struct.success.read(iprot);
          struct.setSuccessIsSet(true);
        }
        if (incoming.get(1)) {
          struct.e = new alluxio.thrift.AlluxioTException();
          struct.e.read(iprot);
          struct.setEIsSet(true);
        }
      }
    }

  }

}