rice.p2p.past.messaging
Class PastMessage

java.lang.Object
  |
  +--rice.p2p.past.messaging.PastMessage

All Implemented Interfaces:

Message, java.io.Serializable

Direct Known Subclasses:

CacheMessage, ContinuationMessage, MessageLostMessage

public abstract class PastMessage

extends java.lang.Object

implements Message

Version:

$Id: PastMessage.java,v 1.5 2003/06/11 18:02:35 amislove Exp $

Author:

Alan Mislove, Ansley Post, Peter Druschel

See Also:

Serialized Form

Field Summary

protected rice.p2p.commonapi.Id	dest
protected int	id
protected boolean	isResponse
protected rice.p2p.commonapi.NodeHandle	source

Constructor Summary

protected

PastMessage(int id, rice.p2p.commonapi.NodeHandle source, rice.p2p.commonapi.Id dest) Constructor which takes a unique integer Id

Method Summary

void	addHop(rice.p2p.commonapi.NodeHandle handle) Method which is designed to be overridden by subclasses if they need to keep track of where they've been.
rice.p2p.commonapi.Id	getDestination() Method which returns this messages' destination address
rice.p2p.commonapi.NodeHandle	getSource() Method which returns this messages' source address
int	getUID() Method which returns this messages' unique id
boolean	isResponse() Method which returns whether or not this message is a response.
abstract void	returnResponse(rice.Continuation c) Method by which this message is supposed to return it's response.
protected void	setResponse() Method which builds a response for this message, using the provided object as a result.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

id

protected int id

source

protected rice.p2p.commonapi.NodeHandle source

dest

protected rice.p2p.commonapi.Id dest

isResponse

protected boolean isResponse

Constructor Detail

PastMessage

protected PastMessage(int id,
                      rice.p2p.commonapi.NodeHandle source,
                      rice.p2p.commonapi.Id dest)

Constructor which takes a unique integer Id

Parameters:

id - The unique id

source - The source address

dest - The destination address

Method Detail

getUID

public int getUID()

Method which returns this messages' unique id

Returns:

The id of this message

getSource

public rice.p2p.commonapi.NodeHandle getSource()

Method which returns this messages' source address

Returns:

The source of this message

getDestination

public rice.p2p.commonapi.Id getDestination()

Method which returns this messages' destination address

Returns:

The dest of this message

setResponse

protected void setResponse()

Method which builds a response for this message, using the provided object as a result. Should be overriden by subclasses, but with the super.setResponse() called.

isResponse

public boolean isResponse()

Method which returns whether or not this message is a response.

Returns:

whether or not this message is a response.

returnResponse

public abstract void returnResponse(rice.Continuation c)

Method by which this message is supposed to return it's response.

Parameters:

c - The continuation to return the reponse to.

addHop

public void addHop(rice.p2p.commonapi.NodeHandle handle)

Method which is designed to be overridden by subclasses if they need to keep track of where they've been.

Parameters:

handle - The current local handle