org.eclipse.gmf.runtime.diagram.core.listener
Class DiagramEventBroker.NotifierToKeyToListenersSetMap

java.lang.Object
  
org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker.NotifierToKeyToListenersSetMap

Enclosing class:

DiagramEventBroker

public final class DiagramEventBroker.NotifierToKeyToListenersSetMap
extends java.lang.Object

Utility class representing a Map of Notifier to a Map of Keys to a Set of listener

Constructor Summary
DiagramEventBroker.NotifierToKeyToListenersSetMap ()

 

Method Summary
void	addListener (org.eclipse.emf.ecore.EObject notifier, java.lang.Object listener)           Adds a listener to the notifier; this listener is added againest a generic key, LISTEN_TO_ALL_FEATURES so it can listen to all events on the notifier
void	addListener (org.eclipse.emf.ecore.EObject notifier, java.lang.Object key, java.lang.Object listener)           Adds a listener to the map
java.util.Set	getAllListeners (java.lang.Object notifier)           return all listeners interested in the passed notifier
java.util.Set	getListeners (java.lang.Object notifier, java.lang.Object key)           get listeners interested in the passed notifier and key
boolean	isEmpty ()
void	removeListener (org.eclipse.emf.ecore.EObject notifier, java.lang.Object key, java.lang.Object listener)           removes a listener from the map

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

DiagramEventBroker.NotifierToKeyToListenersSetMap

public DiagramEventBroker.NotifierToKeyToListenersSetMap()

addListener

public void addListener(org.eclipse.emf.ecore.EObject notifier,
                        java.lang.Object key,
                        java.lang.Object listener)

Adds a listener to the map

Parameters:

notifier - the notifier the listener will listen to

key - a key for the listener, this help in categorizing the listeners based on their interest

listener - the listener

addListener

public void addListener(org.eclipse.emf.ecore.EObject notifier,
                        java.lang.Object listener)

Adds a listener to the notifier; this listener is added againest a generic key, LISTEN_TO_ALL_FEATURES so it can listen to all events on the notifier

Parameters:

notifier - the notifier the listener will listen to

listener - the listener

public void removeListener(org.eclipse.emf.ecore.EObject notifier,
                           java.lang.Object key,
                           java.lang.Object listener)

public java.util.Set getListeners(java.lang.Object notifier,
                                  java.lang.Object key)

public java.util.Set getAllListeners(java.lang.Object notifier)

public boolean isEmpty()