Package org.eclipse.gef.common.beans.binding

Class MultisetExpressionHelper<E>

java.lang.Object

org.eclipse.gef.common.collections.MultisetListenerHelper<E>

org.eclipse.gef.common.beans.binding.MultisetExpressionHelper<E>

Type Parameters:

E - The element type of the ObservableMultiset.

public class MultisetExpressionHelper<E>
extends MultisetListenerHelper<E>

A utility class to support change notifications for an ObservableMultiset.

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.gef.common.collections.MultisetListenerHelper

MultisetListenerHelper.AtomicChange<E>, MultisetListenerHelper.ElementarySubChange<E>

Constructor Summary

Constructors

Constructor	Description
MultisetExpressionHelper(ObservableMultisetValue<E> observableValue)	Constructs a new MultisetExpressionHelper for the given source ObservableMultisetValue.

Method Summary

Modifier and Type	Method	Description
void	addListener(ChangeListener<? super ObservableMultiset<E>> listener)	Adds a new ChangeListener to this MultisetExpressionHelper.
void	fireValueChangedEvent()	Fires notifications to all attached InvalidationListeners, ChangeListeners, and MultisetChangeListeners.
void	fireValueChangedEvent(MultisetChangeListener.Change<? extends E> change)	Fires notifications to all attached InvalidationListeners, and MultisetChangeListeners.
void	removeListener(ChangeListener<? super ObservableMultiset<E>> listener)	Removes the given ChangeListener from this MultisetChangeListener.

Methods inherited from class org.eclipse.gef.common.collections.MultisetListenerHelper

addListener, addListener, getSource, notifyInvalidationListeners, notifyMultisetChangeListeners, removeListener, removeListener

Methods inherited from class java.lang.Object

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

Constructor Details

MultisetExpressionHelper

public MultisetExpressionHelper(ObservableMultisetValue<E> observableValue)

Constructs a new MultisetExpressionHelper for the given source ObservableMultisetValue.

Parameters:

observableValue - The observableValue ObservableMultiset, which is used in change notifications.

Method Details

addListener

public void addListener(ChangeListener<? super ObservableMultiset<E>> listener)

Adds a new ChangeListener to this MultisetExpressionHelper. If the same listener is added more than once, it will be registered more than once and will receive multiple change events.

Parameters:

listener - The listener to add.

fireValueChangedEvent

public void fireValueChangedEvent()

Fires notifications to all attached InvalidationListeners, ChangeListeners, and MultisetChangeListeners.

fireValueChangedEvent

public void fireValueChangedEvent(MultisetChangeListener.Change<? extends E> change)

Fires notifications to all attached InvalidationListeners, and MultisetChangeListeners.

Overrides:

fireValueChangedEvent in class MultisetListenerHelper<E>

Parameters:

change - The change that needs to be propagated.

removeListener

public void removeListener(ChangeListener<? super ObservableMultiset<E>> listener)

Removes the given ChangeListener from this MultisetChangeListener. If it was registered more than once, removes only one occurrence.

Parameters:

listener - The ChangeListener to remove.