/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.NMToken;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.impl.pb.ContainerPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.NMTokenPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ProtoUtils;
import org.apache.hadoop.yarn.api.records.impl.pb.ResourcePBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationACLMapProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ContainerProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.NMTokenProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.RegisterApplicationMasterResponseProtoOrBuilder;
import com.google.protobuf.ByteString;
import com.google.protobuf.TextFormat;
@Private
@Unstable
public class RegisterApplicationMasterResponsePBImpl extends
RegisterApplicationMasterResponse {
RegisterApplicationMasterResponseProto proto =
RegisterApplicationMasterResponseProto.getDefaultInstance();
RegisterApplicationMasterResponseProto.Builder builder = null;
boolean viaProto = false;
private Resource maximumResourceCapability;
private Map<ApplicationAccessType, String> applicationACLS = null;
private List<Container> containersFromPreviousAttempts = null;
private List<NMToken> nmTokens = null;
public RegisterApplicationMasterResponsePBImpl() {
builder = RegisterApplicationMasterResponseProto.newBuilder();
}
public RegisterApplicationMasterResponsePBImpl(RegisterApplicationMasterResponseProto proto) {
this.proto = proto;
viaProto = true;
}
public RegisterApplicationMasterResponseProto getProto() {
mergeLocalToProto();
proto = viaProto ? proto : builder.build();
viaProto = true;
return proto;
}
@Override
public int hashCode() {
return getProto().hashCode();
}
@Override
public boolean equals(Object other) {
if (other == null)
return false;
if (other.getClass().isAssignableFrom(this.getClass())) {
return this.getProto().equals(this.getClass().cast(other).getProto());
}
return false;
}
@Override
public String toString() {
return TextFormat.shortDebugString(getProto());
}
private void mergeLocalToProto() {
if (viaProto)
maybeInitBuilder();
mergeLocalToBuilder();
proto = builder.build();
viaProto = true;
}
private void mergeLocalToBuilder() {
if (this.maximumResourceCapability != null) {
builder.setMaximumCapability(
convertToProtoFormat(this.maximumResourceCapability));
}
if (this.applicationACLS != null) {
addApplicationACLs();
}
if (this.containersFromPreviousAttempts != null) {
addContainersFromPreviousAttemptToProto();
}
if (nmTokens != null) {
builder.clearNmTokensFromPreviousAttempts();
Iterable<NMTokenProto> iterable = getTokenProtoIterable(nmTokens);
builder.addAllNmTokensFromPreviousAttempts(iterable);
}
}
private void maybeInitBuilder() {
if (viaProto || builder == null) {
builder = RegisterApplicationMasterResponseProto.newBuilder(proto);
}
viaProto = false;
}
@Override
public Resource getMaximumResourceCapability() {
if (this.maximumResourceCapability != null) {
return this.maximumResourceCapability;
}
RegisterApplicationMasterResponseProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasMaximumCapability()) {
return null;
}
this.maximumResourceCapability = convertFromProtoFormat(p.getMaximumCapability());
return this.maximumResourceCapability;
}
@Override
public void setMaximumResourceCapability(Resource capability) {
maybeInitBuilder();
if(maximumResourceCapability == null) {
builder.clearMaximumCapability();
}
this.maximumResourceCapability = capability;
}
@Override
public Map<ApplicationAccessType, String> getApplicationACLs() {
initApplicationACLs();
return this.applicationACLS;
}
private void initApplicationACLs() {
if (this.applicationACLS != null) {
return;
}
RegisterApplicationMasterResponseProtoOrBuilder p = viaProto ? proto
: builder;
List<ApplicationACLMapProto> list = p.getApplicationACLsList();
this.applicationACLS = new HashMap<ApplicationAccessType, String>(list
.size());
for (ApplicationACLMapProto aclProto : list) {
this.applicationACLS.put(ProtoUtils.convertFromProtoFormat(aclProto
.getAccessType()), aclProto.getAcl());
}
}
private void addApplicationACLs() {
maybeInitBuilder();
builder.clearApplicationACLs();
if (applicationACLS == null) {
return;
}
Iterable<? extends ApplicationACLMapProto> values
= new Iterable<ApplicationACLMapProto>() {
@Override
public Iterator<ApplicationACLMapProto> iterator() {
return new Iterator<ApplicationACLMapProto>() {
Iterator<ApplicationAccessType> aclsIterator = applicationACLS
.keySet().iterator();
@Override
public boolean hasNext() {
return aclsIterator.hasNext();
}
@Override
public ApplicationACLMapProto next() {
ApplicationAccessType key = aclsIterator.next();
return ApplicationACLMapProto.newBuilder().setAcl(
applicationACLS.get(key)).setAccessType(
ProtoUtils.convertToProtoFormat(key)).build();
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
this.builder.addAllApplicationACLs(values);
}
@Override
public void setApplicationACLs(
final Map<ApplicationAccessType, String> appACLs) {
if (appACLs == null)
return;
initApplicationACLs();
this.applicationACLS.clear();
this.applicationACLS.putAll(appACLs);
}
@Override
public void setClientToAMTokenMasterKey(ByteBuffer key) {
if (key == null) {
builder.clearClientToAmTokenMasterKey();
return;
}
maybeInitBuilder();
builder.setClientToAmTokenMasterKey(ByteString.copyFrom(key));
}
@Override
public ByteBuffer getClientToAMTokenMasterKey() {
maybeInitBuilder();
ByteBuffer key =
ByteBuffer.wrap(builder.getClientToAmTokenMasterKey().toByteArray());
return key;
}
@Override
public List<Container> getContainersFromPreviousAttempts() {
if (this.containersFromPreviousAttempts != null) {
return this.containersFromPreviousAttempts;
}
initContainersPreviousAttemptList();
return this.containersFromPreviousAttempts;
}
@Override
public void
setContainersFromPreviousAttempts(final List<Container> containers) {
if (containers == null) {
return;
}
this.containersFromPreviousAttempts = new ArrayList<Container>();
this.containersFromPreviousAttempts.addAll(containers);
}
@Override
public String getQueue() {
RegisterApplicationMasterResponseProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasQueue()) {
return null;
}
return p.getQueue();
}
@Override
public void setQueue(String queue) {
maybeInitBuilder();
if (queue == null) {
builder.clearQueue();
} else {
builder.setQueue(queue);
}
}
private void initContainersPreviousAttemptList() {
RegisterApplicationMasterResponseProtoOrBuilder p =
viaProto ? proto : builder;
List<ContainerProto> list = p.getContainersFromPreviousAttemptsList();
containersFromPreviousAttempts = new ArrayList<Container>();
for (ContainerProto c : list) {
containersFromPreviousAttempts.add(convertFromProtoFormat(c));
}
}
private void addContainersFromPreviousAttemptToProto() {
maybeInitBuilder();
builder.clearContainersFromPreviousAttempts();
List<ContainerProto> list = new ArrayList<ContainerProto>();
for (Container c : containersFromPreviousAttempts) {
list.add(convertToProtoFormat(c));
}
builder.addAllContainersFromPreviousAttempts(list);
}
@Override
public List<NMToken> getNMTokensFromPreviousAttempts() {
if (nmTokens != null) {
return nmTokens;
}
initLocalNewNMTokenList();
return nmTokens;
}
@Override
public void setNMTokensFromPreviousAttempts(final List<NMToken> nmTokens) {
if (nmTokens == null || nmTokens.isEmpty()) {
if (this.nmTokens != null) {
this.nmTokens.clear();
}
builder.clearNmTokensFromPreviousAttempts();
return;
}
this.nmTokens = new ArrayList<NMToken>();
this.nmTokens.addAll(nmTokens);
}
private synchronized void initLocalNewNMTokenList() {
RegisterApplicationMasterResponseProtoOrBuilder p = viaProto ? proto : builder;
List<NMTokenProto> list = p.getNmTokensFromPreviousAttemptsList();
nmTokens = new ArrayList<NMToken>();
for (NMTokenProto t : list) {
nmTokens.add(convertFromProtoFormat(t));
}
}
private synchronized Iterable<NMTokenProto> getTokenProtoIterable(
final List<NMToken> nmTokenList) {
maybeInitBuilder();
return new Iterable<NMTokenProto>() {
@Override
public synchronized Iterator<NMTokenProto> iterator() {
return new Iterator<NMTokenProto>() {
Iterator<NMToken> iter = nmTokenList.iterator();
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public NMTokenProto next() {
return convertToProtoFormat(iter.next());
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
};
}
private Resource convertFromProtoFormat(ResourceProto resource) {
return new ResourcePBImpl(resource);
}
private ResourceProto convertToProtoFormat(Resource resource) {
return ((ResourcePBImpl)resource).getProto();
}
private ContainerPBImpl convertFromProtoFormat(ContainerProto p) {
return new ContainerPBImpl(p);
}
private ContainerProto convertToProtoFormat(Container t) {
return ((ContainerPBImpl) t).getProto();
}
private NMTokenProto convertToProtoFormat(NMToken token) {
return ((NMTokenPBImpl) token).getProto();
}
private NMToken convertFromProtoFormat(NMTokenProto proto) {
return new NMTokenPBImpl(proto);
}
}