subscribeackmessage.java

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/*************************************************************************

"FreePastry" Peer-to-Peer Application Development Substrate

Copyright 2002, Rice University. All rights reserved.

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********************************************************************************/

package planet.scribe.messaging;

import planet.commonapi.*;
import planet.scribe.*;
import java.util.Vector;

/**
 * The ack for a subscribe message.
 *
 * @version $Id: SubscribeAckMessage.java,v 1.3 2003/10/14 02:58:15 amislove Exp $
 *
 * @author Alan Mislove
 */
public class SubscribeAckMessage extends AbstractSubscribeMessage {

  /**
   * The contained path to the root
   */
  protected Id[] pathToRoot;

  /**
   * @param source The source address
   * @param topic Message topic.
   * @param pathToRoot Path wiht Id to root node.
   * @param id The unique id
   */
  public SubscribeAckMessage(NodeHandle source, Topic topic, Id[] pathToRoot, int id) {
    super(source, topic, id);

    this.pathToRoot = pathToRoot;
  }

  /**
   * Returns the path to the root for the node receiving
   * this message
   *
   * @return The new path to the root for the node receiving this
   * message
   */
  public Id[] getPathToRoot() {
    return pathToRoot;
  }
  
  private String pathToString() {
  	Vector v = new Vector();
  	for (int i=0;i<pathToRoot.length;i++)
  	  v.add(pathToRoot[i]);
  	
  	return v.toString();	
  	
  }
  /**
   * Returns a String represneting this message
   *
   * @return A String of this message
   */
  public String toString() {
    return "[SubscribeAckMessage " + topic + " source " + source.getId() + " id " + id + " pathToRoot " + pathToString() + "]";
  }

}