jtge.engine.handler
Class Subject

java.lang.Object
  jtge.engine.handler.Subject

All Implemented Interfaces:

IConsumer

public class Subject

extends java.lang.Object

implements IConsumer

Provides a means to broadcast received commands to several consumers.

Version:

$Revision: 1.3 $ $Date: 2005/08/26 18:09:36 $

Author:

Mathieu Champlon

Constructor Summary

Subject()
Create a subject.

Method Summary

void	handle(ICommand command) Handle a command.
void	register(IConsumer observer) Register an observer.
void	unregister(IConsumer observer) Unregister an observer.

Methods inherited from class java.lang.Object

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

Constructor Detail

Subject

public Subject()

Create a subject.

Method Detail

register

public final void register(IConsumer observer)

Register an observer.

If the consumer was previously registered this method has no effect.

Parameters:

observer - the consumer to register (should not be null)

unregister

public final void unregister(IConsumer observer)

Unregister an observer.

Parameters:

observer - the consumer to unregister

handle

public final void handle(ICommand command)

Handle a command.

Specified by:

handle in interface IConsumer

Parameters:

command - the command to handle