Class MapExpressionHelperEx<K,V>
java.lang.Object
org.eclipse.gef.common.collections.MapListenerHelperEx<K,V>
org.eclipse.gef.common.beans.binding.MapExpressionHelperEx<K,V>
- Type Parameters:
K- The key type of theMapExpression.V- The value type of theMapExpression.
A utility class to support notifications for an
MapExpression.-
Nested Class Summary
Nested classes/interfaces inherited from class org.eclipse.gef.common.collections.MapListenerHelperEx
MapListenerHelperEx.AtomicChange<K,V> -
Constructor Summary
ConstructorsConstructorDescriptionMapExpressionHelperEx(ObservableMapValue<K, V> observableValue) Constructs a newMapExpressionHelperExfor the given sourceObservableMapValue. -
Method Summary
Modifier and TypeMethodDescriptionvoidaddListener(ChangeListener<? super ObservableMap<K, V>> listener) Adds a newChangeListenerto thisMapExpressionHelperEx.voidvoidfireValueChangedEvent(MapChangeListener.Change<? extends K, ? extends V> change) Fires notifications to all attachedInvalidationListeners, andMapChangeListeners.voidremoveListener(ChangeListener<? super ObservableMap<K, V>> listener) Removes the givenChangeListenerfrom thisMapChangeListener.Methods inherited from class org.eclipse.gef.common.collections.MapListenerHelperEx
addListener, addListener, getSource, notifyInvalidationListeners, notifyMapChangeListeners, removeListener, removeListener
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Constructor Details
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MapExpressionHelperEx
Constructs a newMapExpressionHelperExfor the given sourceObservableMapValue.- Parameters:
observableValue- The observableValueObservableMap, which is used in change notifications.
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Method Details
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addListener
Adds a newChangeListenerto thisMapExpressionHelperEx. If the same listener is added more than once, it will be registered more than once and will receive multiple change events.- Parameters:
listener- TheChangeListenerto add.
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fireValueChangedEvent
public void fireValueChangedEvent() -
fireValueChangedEvent
Fires notifications to all attachedInvalidationListeners, andMapChangeListeners.- Overrides:
fireValueChangedEventin classMapListenerHelperEx<K,V> - Parameters:
change- The change that needs to be propagated.
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removeListener
Removes the givenChangeListenerfrom thisMapChangeListener. If it was registered more than once, removes only one occurrence.- Parameters:
listener- TheChangeListenerto remove.
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