urv.app.samples
Class Draw

java.lang.Object
  org.jgroups.ExtendedReceiverAdapter
      urv.app.samples.Draw

All Implemented Interfaces:

java.awt.event.ActionListener, java.util.EventListener, org.jgroups.ChannelListener, org.jgroups.ExtendedMembershipListener, org.jgroups.ExtendedMessageListener, org.jgroups.ExtendedReceiver, org.jgroups.MembershipListener, org.jgroups.MessageListener, org.jgroups.Receiver

public class Draw
extends org.jgroups.ExtendedReceiverAdapter
implements java.awt.event.ActionListener, org.jgroups.ChannelListener

Shared whiteboard, each new instance joins the same group. Each instance chooses a random color, mouse moves are broadcast to all group members, which then apply them to their canvas

Author:

Bela Ban, Oct 17 2001

Field Summary

(package private) static boolean	first
(package private) java.lang.String	groupname
(package private) boolean	jmx
(package private) boolean	no_channel

Constructor Summary

Draw(java.lang.String props, boolean no_channel, boolean jmx, boolean use_state, long state_timeout)

Method Summary

void	actionPerformed(java.awt.event.ActionEvent e)
void	block()
void	channelClosed(org.jgroups.Channel channel)
void	channelConnected(org.jgroups.Channel channel)
void	channelDisconnected(org.jgroups.Channel channel)
void	channelReconnected(org.jgroups.Address addr)
void	channelShunned()
void	clearPanel()
java.lang.String	getGroupName()
byte[]	getState()
void	getState(java.io.OutputStream ostream)
void	go()
(package private) static void	help()
static void	main(java.lang.String[] args)
void	receive(org.jgroups.Message msg)
void	sendClearPanelMsg()
void	setGroupName(java.lang.String groupname)
void	setState(byte[] state)
void	setState(java.io.InputStream istream)
(package private) void	setTitle()
(package private) void	setTitle(java.lang.String title)
void	stop()
void	unblock()
void	viewAccepted(org.jgroups.View v)

Methods inherited from class org.jgroups.ExtendedReceiverAdapter

getState, getState, setState, setState, suspect

Methods inherited from class java.lang.Object

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

Field Detail

groupname

java.lang.String groupname

first

static final boolean first

See Also:

Constant Field Values

no_channel

boolean no_channel

jmx

boolean jmx

Constructor Detail

Draw

public Draw(java.lang.String props,
            boolean no_channel,
            boolean jmx,
            boolean use_state,
            long state_timeout)
     throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

getGroupName

public java.lang.String getGroupName()

setGroupName

public void setGroupName(java.lang.String groupname)

main

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

help

static void help()

go

public void go()
        throws java.lang.Exception

Throws:

java.lang.Exception

setTitle

void setTitle(java.lang.String title)

setTitle

void setTitle()

receive

public void receive(org.jgroups.Message msg)

Specified by:

receive in interface org.jgroups.MessageListener

Overrides:

receive in class org.jgroups.ExtendedReceiverAdapter

viewAccepted

public void viewAccepted(org.jgroups.View v)

Specified by:

viewAccepted in interface org.jgroups.MembershipListener

Overrides:

viewAccepted in class org.jgroups.ExtendedReceiverAdapter

block

public void block()

Specified by:

block in interface org.jgroups.MembershipListener

Overrides:

block in class org.jgroups.ExtendedReceiverAdapter

unblock

public void unblock()

Specified by:

unblock in interface org.jgroups.ExtendedMembershipListener

Overrides:

unblock in class org.jgroups.ExtendedReceiverAdapter

getState

public byte[] getState()

Specified by:

getState in interface org.jgroups.MessageListener

Overrides:

getState in class org.jgroups.ExtendedReceiverAdapter

setState

public void setState(byte[] state)

Specified by:

setState in interface org.jgroups.MessageListener

Overrides:

setState in class org.jgroups.ExtendedReceiverAdapter

getState

public void getState(java.io.OutputStream ostream)

Specified by:

getState in interface org.jgroups.ExtendedMessageListener

Overrides:

getState in class org.jgroups.ExtendedReceiverAdapter

setState

public void setState(java.io.InputStream istream)

Specified by:

setState in interface org.jgroups.ExtendedMessageListener

Overrides:

setState in class org.jgroups.ExtendedReceiverAdapter

clearPanel

public void clearPanel()

sendClearPanelMsg

public void sendClearPanelMsg()

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

Specified by:

actionPerformed in interface java.awt.event.ActionListener

stop

public void stop()

channelConnected

public void channelConnected(org.jgroups.Channel channel)

Specified by:

channelConnected in interface org.jgroups.ChannelListener

channelDisconnected

public void channelDisconnected(org.jgroups.Channel channel)

Specified by:

channelDisconnected in interface org.jgroups.ChannelListener

channelClosed

public void channelClosed(org.jgroups.Channel channel)

Specified by:

channelClosed in interface org.jgroups.ChannelListener

channelShunned

public void channelShunned()

Specified by:

channelShunned in interface org.jgroups.ChannelListener

channelReconnected

public void channelReconnected(org.jgroups.Address addr)

Specified by:

channelReconnected in interface org.jgroups.ChannelListener