Class SetMultimapListenerHelper<K,V>
- java.lang.Object
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- org.eclipse.gef.common.collections.SetMultimapListenerHelper<K,V>
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- Type Parameters:
K
- The key type of theObservableSetMultimap
.V
- The value type of theObservableSetMultimap
.
- Direct Known Subclasses:
SetMultimapExpressionHelper
public class SetMultimapListenerHelper<K,V> extends java.lang.Object
A utility class to support change notifications for anObservableSetMultimap
.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
SetMultimapListenerHelper.AtomicChange<K,V>
A simple implementation of anSetMultimapChangeListener.Change
.static class
SetMultimapListenerHelper.ElementarySubChange<K,V>
An elementary change related to a single key of aObservableSetMultimap
. .
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Constructor Summary
Constructors Constructor Description SetMultimapListenerHelper(ObservableSetMultimap<K,V> source)
Constructs a newSetMultimapListenerHelper
for the given sourceObservableSetMultimap
.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addListener(javafx.beans.InvalidationListener listener)
Adds a newInvalidationListener
to thisSetMultimapListenerHelper
.void
addListener(SetMultimapChangeListener<? super K,? super V> listener)
Adds a newSetMultimapChangeListener
to thisSetMultimapListenerHelper
.void
fireValueChangedEvent(SetMultimapChangeListener.Change<? extends K,? extends V> change)
Notifies all attachedInvalidationListener
s andSetMultimapChangeListener
s about the change.protected ObservableSetMultimap<K,V>
getSource()
Returns the sourceObservableSetMultimap
thisSetMultimapListenerHelper
is bound to, which is used in change notifications.protected void
notifyInvalidationListeners()
Notifies all registeredInvalidationListener
s.protected void
notifySetMultimapChangeListeners(SetMultimapChangeListener.Change<? extends K,? extends V> change)
Notifies the attachedSetMultimapChangeListener
s about the related change.void
removeListener(javafx.beans.InvalidationListener listener)
Removes the givenInvalidationListener
from thisSetMultimapListenerHelper
.void
removeListener(SetMultimapChangeListener<? super K,? super V> listener)
Removes the givenSetMultimapChangeListener
from thisSetMultimapListenerHelper
.
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Constructor Detail
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SetMultimapListenerHelper
public SetMultimapListenerHelper(ObservableSetMultimap<K,V> source)
Constructs a newSetMultimapListenerHelper
for the given sourceObservableSetMultimap
.- Parameters:
source
- TheObservableSetMultimap
to use as source in change notifications.
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Method Detail
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addListener
public void addListener(javafx.beans.InvalidationListener listener)
Adds a newInvalidationListener
to thisSetMultimapListenerHelper
. 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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addListener
public void addListener(SetMultimapChangeListener<? super K,? super V> listener)
Adds a newSetMultimapChangeListener
to thisSetMultimapListenerHelper
. 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(SetMultimapChangeListener.Change<? extends K,? extends V> change)
Notifies all attachedInvalidationListener
s andSetMultimapChangeListener
s about the change.- Parameters:
change
- The change to notify listeners about.
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getSource
protected ObservableSetMultimap<K,V> getSource()
Returns the sourceObservableSetMultimap
thisSetMultimapListenerHelper
is bound to, which is used in change notifications.- Returns:
- The source
ObservableSetMultimap
.
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notifyInvalidationListeners
protected void notifyInvalidationListeners()
Notifies all registeredInvalidationListener
s.
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notifySetMultimapChangeListeners
protected void notifySetMultimapChangeListeners(SetMultimapChangeListener.Change<? extends K,? extends V> change)
Notifies the attachedSetMultimapChangeListener
s about the related change.- Parameters:
change
- The applied change.
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removeListener
public void removeListener(javafx.beans.InvalidationListener listener)
Removes the givenInvalidationListener
from thisSetMultimapListenerHelper
. If its was registered more than once, removes one occurrence.- Parameters:
listener
- The listener to remove.
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removeListener
public void removeListener(SetMultimapChangeListener<? super K,? super V> listener)
Removes the givenSetMultimapChangeListener
from thisSetMultimapListenerHelper
. If its was registered more than once, removes one occurrence.- Parameters:
listener
- The listener to remove.
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