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