scribemessage.java

p2p仿真器。开发者可以工作在覆盖层中进行创造和测试逻辑算法或者创建和测试新的服务。PlanetSim还可以将仿真代码平稳转换为在Internet上的实验代码

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"FreePastry" Peer-to-Peer Application Development Substrate

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package planet.scribe.messaging;

import planet.commonapi.*;
import planet.scribe.*;

/**
 * This class the abstraction of a message used internally by Scribe.
 *
 * @version $Id: ScribeMessage.java,v 1.1 2003/09/24 02:20:08 amislove Exp $
 *
 * @author Alan Mislove
 */
public abstract class ScribeMessage implements Message {

  // the source of this message
  protected NodeHandle source;

  // the topic of this message
  protected Topic topic;

  /**
   * @param source The source address
   * @param topic The topic
   */
  protected ScribeMessage(NodeHandle source, Topic topic) {
    this.source = source;
    this.topic = topic;
  }

  /**
   * Method which returns this messages' source address
   *
   * @return The source of this message
   */
  public NodeHandle getSource() {
    return source;
  }
  
  /**
   * Method which set this messages' source address
   *
   * @param source The source of this message
   */
  public void setSource(NodeHandle source) {
    this.source = source;
  }

  /**
   * Method which returns this messages' topic
   *
   * @return The topic of this message
   */
  public Topic getTopic() {
    return topic;
  }
  
}