Package net.ssehub.easy.instantiation.core.model.artifactModel

Class ArtifactChangedListenerQueue

java.lang.Object

net.ssehub.easy.instantiation.core.model.artifactModel.ArtifactChangedListenerQueue

All Implemented Interfaces:

IArtifactChangedListenerQueue

public class ArtifactChangedListenerQueue
extends java.lang.Object
implements IArtifactChangedListenerQueue

Handles IArtifactChangedListener.

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List<IArtifactChangedListener>	listeners

Constructor Summary

Constructors

Constructor	Description
ArtifactChangedListenerQueue()

Method Summary

Modifier and Type	Method	Description
void	registerListener(IArtifactChangedListener listener)	Registers a listener.
void	triggerArtifactChanged(java.lang.Object cause)	Triggers the IArtifactChangedListener#artifactChanged() method on all registered listeners.
boolean	unregisterListener(IArtifactChangedListener listener)	Unregisters a listener.

Methods inherited from class java.lang.Object

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

Field Detail

listeners

private java.util.List<IArtifactChangedListener> listeners

Constructor Detail

ArtifactChangedListenerQueue

public ArtifactChangedListenerQueue()

Method Detail

registerListener

public void registerListener(IArtifactChangedListener listener)

Description copied from interface: IArtifactChangedListenerQueue

Registers a listener. A listener will only be registered if it is not null and if it was not already registered.

Specified by:

registerListener in interface IArtifactChangedListenerQueue

Parameters:

listener - the listener to be registered

unregisterListener

public boolean unregisterListener(IArtifactChangedListener listener)

Description copied from interface: IArtifactChangedListenerQueue

Unregisters a listener.

Specified by:

unregisterListener in interface IArtifactChangedListenerQueue

Parameters:

listener - the listener to be unregistered

Returns:

true if unregistering was successful, false else

triggerArtifactChanged

public void triggerArtifactChanged(java.lang.Object cause)
                            throws VilException

Triggers the IArtifactChangedListener#artifactChanged() method on all registered listeners.

Parameters:

cause - the cause for the event

Throws:

VilException - in case that some listeners fail