org.jgroups.demos
Class Chat

java.lang.Object
  extended byorg.jgroups.demos.Chat
All Implemented Interfaces:
java.util.EventListener, MembershipListener, MessageListener, java.awt.event.MouseListener, java.awt.event.WindowListener

public class Chat
extends java.lang.Object
implements java.awt.event.MouseListener, java.awt.event.WindowListener, MessageListener, MembershipListener

Simple chat demo

Version:
$Id: Chat.java,v 1.11 2005/07/25 16:24:16 belaban Exp $
Author:
Bela Ban

Constructor Summary
Chat(java.lang.String props)
           
 
Method Summary
 void block()
          Called whenever the member needs to stop sending messages.
 byte[] getState()
          Answers the group state; e.g., when joining.
static void main(java.lang.String[] args)
           
 void mouseClicked(java.awt.event.MouseEvent e)
           
 void mouseEntered(java.awt.event.MouseEvent e)
           
 void mouseExited(java.awt.event.MouseEvent e)
           
 void mousePressed(java.awt.event.MouseEvent e)
           
 void mouseReleased(java.awt.event.MouseEvent e)
           
 void receive(Message msg)
          Called when a message is received.
 void setState(byte[] state)
          Sets the group state; e.g., when joining.
 void start()
           
 void suspect(Address suspected_mbr)
          Called whenever a member is suspected of having crashed, but has not yet been excluded.
 void viewAccepted(View new_view)
          Called when a change in membership has occurred.
 void windowActivated(java.awt.event.WindowEvent e)
           
 void windowClosed(java.awt.event.WindowEvent e)
           
 void windowClosing(java.awt.event.WindowEvent e)
           
 void windowDeactivated(java.awt.event.WindowEvent e)
           
 void windowDeiconified(java.awt.event.WindowEvent e)
           
 void windowIconified(java.awt.event.WindowEvent e)
           
 void windowOpened(java.awt.event.WindowEvent e)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Chat

public Chat(java.lang.String props)
Method Detail

main

public static void main(java.lang.String[] args)

start

public void start()

receive

public void receive(Message msg)
Description copied from interface: MessageListener
Called when a message is received.

Specified by:
receive in interface MessageListener
Parameters:
msg -

getState

public byte[] getState()
Description copied from interface: MessageListener
Answers the group state; e.g., when joining.

Specified by:
getState in interface MessageListener
Returns:
byte[]

setState

public void setState(byte[] state)
Description copied from interface: MessageListener
Sets the group state; e.g., when joining.

Specified by:
setState in interface MessageListener
Parameters:
state -

viewAccepted

public void viewAccepted(View new_view)
Description copied from interface: MembershipListener
Called when a change in membership has occurred. No long running actions should be done in this callback. If some long running action needs to be performed, it should be done in a separate thread.

Specified by:
viewAccepted in interface MembershipListener

suspect

public void suspect(Address suspected_mbr)
Description copied from interface: MembershipListener
Called whenever a member is suspected of having crashed, but has not yet been excluded.

Specified by:
suspect in interface MembershipListener

block

public void block()
Description copied from interface: MembershipListener
Called whenever the member needs to stop sending messages. When the next view is received (viewAccepted()), the member can resume sending messages. If a member does not comply, the message(s) sent between a block() and a matching viewAccepted() callback will probably be delivered in the next view. The block() callback is only needed by the Virtual Synchrony suite of protocols (FLUSH protocol)3.2, otherwise it will never be invoked.

Specified by:
block in interface MembershipListener

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)
Specified by:
mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)
Specified by:
mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)
Specified by:
mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)
Specified by:
mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)
Specified by:
mouseReleased in interface java.awt.event.MouseListener

windowActivated

public void windowActivated(java.awt.event.WindowEvent e)
Specified by:
windowActivated in interface java.awt.event.WindowListener

windowClosed

public void windowClosed(java.awt.event.WindowEvent e)
Specified by:
windowClosed in interface java.awt.event.WindowListener

windowClosing

public void windowClosing(java.awt.event.WindowEvent e)
Specified by:
windowClosing in interface java.awt.event.WindowListener

windowDeactivated

public void windowDeactivated(java.awt.event.WindowEvent e)
Specified by:
windowDeactivated in interface java.awt.event.WindowListener

windowDeiconified

public void windowDeiconified(java.awt.event.WindowEvent e)
Specified by:
windowDeiconified in interface java.awt.event.WindowListener

windowIconified

public void windowIconified(java.awt.event.WindowEvent e)
Specified by:
windowIconified in interface java.awt.event.WindowListener

windowOpened

public void windowOpened(java.awt.event.WindowEvent e)
Specified by:
windowOpened in interface java.awt.event.WindowListener


Copyright ? 1998-2005 Bela Ban. All Rights Reserved.