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 theObservableMultiset.
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
ConstructorsConstructorDescriptionMultisetExpressionHelper(ObservableMultisetValue<E> observableValue) Constructs a newMultisetExpressionHelperfor the given sourceObservableMultisetValue. -
Method Summary
Modifier and TypeMethodDescriptionvoidaddListener(javafx.beans.value.ChangeListener<? super ObservableMultiset<E>> listener) Adds a newChangeListenerto thisMultisetExpressionHelper.voidFires notifications to all attachedInvalidationListeners,ChangeListeners, andMultisetChangeListeners.voidfireValueChangedEvent(MultisetChangeListener.Change<? extends E> change) Fires notifications to all attachedInvalidationListeners, andMultisetChangeListeners.voidremoveListener(javafx.beans.value.ChangeListener<? super ObservableMultiset<E>> listener) Removes the givenChangeListenerfrom thisMultisetChangeListener.Methods inherited from class org.eclipse.gef.common.collections.MultisetListenerHelper
addListener, addListener, getSource, notifyInvalidationListeners, notifyMultisetChangeListeners, removeListener, removeListener
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Constructor Details
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MultisetExpressionHelper
Constructs a newMultisetExpressionHelperfor the given sourceObservableMultisetValue.- Parameters:
observableValue- The observableValueObservableMultiset, which is used in change notifications.
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Method Details
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addListener
Adds a newChangeListenerto thisMultisetExpressionHelper. 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.
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fireValueChangedEvent
public void fireValueChangedEvent()Fires notifications to all attachedInvalidationListeners,ChangeListeners, andMultisetChangeListeners. -
fireValueChangedEvent
Fires notifications to all attachedInvalidationListeners, andMultisetChangeListeners.- Overrides:
fireValueChangedEventin classMultisetListenerHelper<E>- Parameters:
change- The change that needs to be propagated.
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removeListener
public void removeListener(javafx.beans.value.ChangeListener<? super ObservableMultiset<E>> listener) Removes the givenChangeListenerfrom thisMultisetChangeListener. If it was registered more than once, removes only one occurrence.- Parameters:
listener- TheChangeListenerto remove.
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