viceroy.net
Class JoinLeaveDataMessage

java.lang.Object
  |
  +--viceroy.net.JoinLeaveDataMessage

All Implemented Interfaces:

Message

Direct Known Subclasses:

JoinDataMessage, LeaveDataMessage

public abstract class JoinLeaveDataMessage

extends java.lang.Object

implements Message

A 'new peer data' message. represents a message that contains all the data that is relevant for a joining or leaving peer

Author:

Anat Talmy

, Oren Dobzinski

Field Summary

private ViceroyPeer	predecessor the predecessor
private ViceroyPeer	successor the successor
private java.util.SortedMap	values the values to be taken over

Constructor Summary

JoinLeaveDataMessage(ViceroyPeer pred, ViceroyPeer succ, java.util.SortedMap val)
creates a new message

Method Summary

ViceroyPeer	getPredecessor() gets the predecessor viceroy peer
ViceroyPeer	getSuccessor() gets the successor viceroy peer
java.util.SortedMap	getValues() gets the values stored

Methods inherited from class java.lang.Object

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

Methods inherited from interface viceroy.net.Message

getType

Field Detail

values

private java.util.SortedMap values

the values to be taken over

predecessor

private ViceroyPeer predecessor

the predecessor

successor

private ViceroyPeer successor

the successor

Constructor Detail

JoinLeaveDataMessage

public JoinLeaveDataMessage(ViceroyPeer pred,
                            ViceroyPeer succ,
                            java.util.SortedMap val)

creates a new message

Parameters:

pred - the predecessor of the joining peer

succ - the successor of the joining peer

val - the new values of the joining peer

Method Detail

getValues

public java.util.SortedMap getValues()

gets the values stored

Returns:

the value that was looked up

getSuccessor

public ViceroyPeer getSuccessor()

gets the successor viceroy peer

Returns:

the successor viceroy peer

getPredecessor

public ViceroyPeer getPredecessor()

gets the predecessor viceroy peer

Returns:

the predecessor viceroy peer