Class MultisetExpressionHelper<E>
- java.lang.Object
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- org.eclipse.gef.common.collections.MultisetListenerHelper<E>
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- org.eclipse.gef.common.beans.binding.MultisetExpressionHelper<E>
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- Type Parameters:
E
- The element type of theObservableMultiset
.
public class MultisetExpressionHelper<E> extends MultisetListenerHelper<E>
A utility class to support change notifications for anObservableMultiset
.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.eclipse.gef.common.collections.MultisetListenerHelper
MultisetListenerHelper.AtomicChange<E>, MultisetListenerHelper.ElementarySubChange<E>
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Constructor Summary
Constructors Constructor Description MultisetExpressionHelper(ObservableMultisetValue<E> observableValue)
Constructs a newMultisetExpressionHelper
for the given sourceObservableMultisetValue
.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addListener(javafx.beans.value.ChangeListener<? super ObservableMultiset<E>> listener)
Adds a newChangeListener
to thisMultisetExpressionHelper
.void
fireValueChangedEvent()
Fires notifications to all attachedInvalidationListeners
,ChangeListeners
, andMultisetChangeListeners
.void
fireValueChangedEvent(MultisetChangeListener.Change<? extends E> change)
Fires notifications to all attachedInvalidationListeners
, andMultisetChangeListeners
.void
removeListener(javafx.beans.value.ChangeListener<? super ObservableMultiset<E>> listener)
Removes the givenChangeListener
from thisMultisetChangeListener
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Methods inherited from class org.eclipse.gef.common.collections.MultisetListenerHelper
addListener, addListener, getSource, notifyInvalidationListeners, notifyMultisetChangeListeners, removeListener, removeListener
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Constructor Detail
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MultisetExpressionHelper
public MultisetExpressionHelper(ObservableMultisetValue<E> observableValue)
Constructs a newMultisetExpressionHelper
for the given sourceObservableMultisetValue
.- Parameters:
observableValue
- The observableValueObservableMultiset
, which is used in change notifications.
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Method Detail
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addListener
public void addListener(javafx.beans.value.ChangeListener<? super ObservableMultiset<E>> listener)
Adds a newChangeListener
to 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
.
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fireValueChangedEvent
public void fireValueChangedEvent(MultisetChangeListener.Change<? extends E> change)
Fires notifications to all attachedInvalidationListeners
, andMultisetChangeListeners
.- Overrides:
fireValueChangedEvent
in 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 givenChangeListener
from thisMultisetChangeListener
. If it was registered more than once, removes only one occurrence.- Parameters:
listener
- TheChangeListener
to remove.
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