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/**
 * Copyright (C) 2013 Microsoft Corporation
 *
 * 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.
 */
package com.microsoft.reef.io.network;

import com.microsoft.wake.Identifier;

/**
 * Network message
 * 
 * @param 
 */
public interface Message {
  
  /**
   * Gets a source identifier
   * 
   * @return an identifier
   */
  Identifier getSrcId();

  /**
   * Gets a destination identifier
   * 
   * @return an identifier
   */
  Identifier getDestId();

  /**
   * Gets data
   * 
   * @return an iterable of data objects
   */
  Iterable getData();
}