com.tensegrity.generic.attribute.event
Class AttributableOnSetEventMultiplexer

java.lang.Object
  com.tensegrity.generic.event.EventMultiplexer
      com.tensegrity.generic.attribute.event.AttributableOnSetEventMultiplexer

All Implemented Interfaces:

AttributableOnSetListener, EventListenerTag

public class AttributableOnSetEventMultiplexer

extends EventMultiplexer

implements AttributableOnSetListener

Multiplexer for AttributableOnSetEvents.

Version:

$Id: DocumentEventMultiplexer.java,v 1.4 2003/02/28 17:24:39 sr Exp $

Author:

Stepan Rutz

Method Summary

void	attributesChanged(AttributableOnSetEvent documentevent) Invoked when an attribute in an AttributableOnSet object has changed.
static EventListenerTag	combine(EventListenerTag a, EventListenerTag b) Combines two given eventlisteners to a new eventlistener.
static AttributableOnSetListener	multiplex(AttributableOnSetListener a, AttributableOnSetListener b) Combines the two given listeners.
static EventListenerTag	separate(EventListenerTag a, EventListenerTag b) Separates the eventlistener b from the eventlistener a and returns the eventlistener structure.
static AttributableOnSetListener	unmultiplex(AttributableOnSetListener a, AttributableOnSetListener b) Separates the two given listeners and returns the 'root'-listener.

Methods inherited from class com.tensegrity.generic.event.EventMultiplexer

a, b, countEventListeners, listenersToArrayList, toString

Methods inherited from class java.lang.Object

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

Method Detail

combine

public static EventListenerTag combine(EventListenerTag a,
                                       EventListenerTag b)

Combines two given eventlisteners to a new eventlistener.

Parameters:

a - the first eventlistener to combine.

b - the second eventlistener to combine.

Returns:

the new eventlistener that combines the two given eventlisteners.

separate

public static EventListenerTag separate(EventListenerTag a,
                                        EventListenerTag b)

Separates the eventlistener b from the eventlistener a and returns the eventlistener structure.

Parameters:

a - the first eventlistener to separate

b - the second eventlistener to separate.

Returns:

the new eventlistener that separates b from a.

multiplex

public static AttributableOnSetListener multiplex(AttributableOnSetListener a,
                                                  AttributableOnSetListener b)

Combines the two given listeners.
PRECONDITION: parameter b must not be null

Parameters:

a - the first listener to combine.

b - the first listener to combine.

Returns:

a listener holding both combined listeners.

unmultiplex

public static AttributableOnSetListener unmultiplex(AttributableOnSetListener a,
                                                    AttributableOnSetListener b)

Separates the two given listeners and returns the 'root'-listener.
PRECONDITION: parameter b must not be null

Parameters:

a - the first listener to separate.

b - the first listener to separate.

Returns:

the 'root'-listener of both listeners.

attributesChanged

public void attributesChanged(AttributableOnSetEvent documentevent)

Description copied from interface: AttributableOnSetListener

Invoked when an attribute in an AttributableOnSet object has changed.

Specified by:

attributesChanged in interface AttributableOnSetListener

Parameters:

documentevent - the event carrying information.

See Also:

AttributableOnSetListener.attributesChanged(AttributableOnSetEvent)