net.sf.genuine.organizer.internal
Class DefaultChannel

java.lang.Object
  net.sf.genuine.organizer.internal.DefaultChannel

All Implemented Interfaces:

Channel

public class DefaultChannel

extends java.lang.Object

implements Channel

Default implementation of a channel.

Author:

Tim Wellhausen

Constructor Summary

(package private)

DefaultChannel(java.lang.String channelName)

Method Summary

void	deregisterMessageListener(MessageListener messageListener) Deregisters the given message listener so that it won't receive any messages any more.
void	registerMessageListener(MessageListener messageListener) Registers the given message listener to retrieve all upcoming messages.
void	sendMessage(Message message) Sends a fire-and-forget message that is forwarded to all message listener.
void	sendVetoableMessage(Message message) Sends a vetoable message.
java.lang.String	toString() Prints the name of the channel

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultChannel

DefaultChannel(java.lang.String channelName)

Method Detail

registerMessageListener

public void registerMessageListener(MessageListener messageListener)

Description copied from interface: Channel

Registers the given message listener to retrieve all upcoming messages.

Specified by:

registerMessageListener in interface Channel

deregisterMessageListener

public void deregisterMessageListener(MessageListener messageListener)

Description copied from interface: Channel

Deregisters the given message listener so that it won't receive any messages any more.

Specified by:

deregisterMessageListener in interface Channel

sendMessage

public void sendMessage(Message message)

Description copied from interface: Channel

Sends a fire-and-forget message that is forwarded to all message listener. The sender does not have to register themself at the channel to send a message.

Specified by:

sendMessage in interface Channel

sendVetoableMessage

public void sendVetoableMessage(Message message)
                         throws MessageVetoException

Description copied from interface: Channel

Sends a vetoable message. If any message listener files a veto against the message, a MessageVetoException is thrown by the listener itself. In that case, the message is not forwarded to any listeners. If no veto is filed, the message is forwarded to all listeners.

Specified by:

sendVetoableMessage in interface Channel

Throws:

MessageVetoException

toString

public java.lang.String toString()

Prints the name of the channel