/*
 *
 *  *  Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
 *  *
 *  *  Licensed 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.
 *  *
 *  * For more information: http://www.orientechnologies.com
 *
 */
package com.orientechnologies.orient.server.distributed;

import com.orientechnologies.orient.core.serialization.OStreamableHelper;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.Arrays;

/**
 *
 * @author Luca Garulli (l.garulli--at--orientechnologies.com)
 *
 */
public class ODistributedResponse {
  private ODistributedRequestId requestId;
  private String                executorNodeName;
  private String                senderNodeName;
  private Object                payload;

  /**
   * Constructor used by serializer.
   */
  public ODistributedResponse() {
  }

  public ODistributedResponse(final ODistributedRequestId iRequestId, final String executorNodeName, final String senderNodeName,
      final Object payload) {
    this.requestId = iRequestId;
    this.executorNodeName = executorNodeName;
    this.senderNodeName = senderNodeName;
    this.payload = payload;
  }

  public ODistributedRequestId getRequestId() {
    return requestId;
  }

  public String getExecutorNodeName() {
    return executorNodeName;
  }

  public String getSenderNodeName() {
    return senderNodeName;
  }

  public Object getPayload() {
    return payload;
  }

  public ODistributedResponse setPayload(final Object payload) {
    this.payload = payload;
    return this;
  }

  public ODistributedResponse setExecutorNodeName(final String executorNodeName) {
    this.executorNodeName = executorNodeName;
    return this;
  }

  public void toStream(final DataOutput out) throws IOException {
    requestId.toStream(out);
    out.writeUTF(executorNodeName);
    out.writeUTF(senderNodeName);
    OStreamableHelper.toStream(out, payload);
  }

  public void fromStream(final DataInput in) throws IOException {
    requestId = new ODistributedRequestId();
    requestId.fromStream(in);
    executorNodeName = in.readUTF();
    senderNodeName = in.readUTF();
    payload = OStreamableHelper.fromStream(in);
  }

  @Override
  public String toString() {
    if (payload == null)
      return "null";

    if (payload.getClass().isArray())
      return Arrays.toString((Object[]) payload);

    return payload.toString();
  }
}