Class SetExpressionHelperEx<E>
java.lang.Object
org.eclipse.gef.common.collections.SetListenerHelperEx<E>
org.eclipse.gef.common.beans.binding.SetExpressionHelperEx<E>
- Type Parameters:
E
- The element type of theSetExpression
.
A utility class to support notifications for an
SetExpression
.-
Nested Class Summary
Nested classes/interfaces inherited from class org.eclipse.gef.common.collections.SetListenerHelperEx
SetListenerHelperEx.AtomicChange<E>
-
Constructor Summary
ConstructorDescriptionSetExpressionHelperEx
(ObservableSetValue<E> observableValue) Constructs a newSetExpressionHelperEx
for the given sourceObservableSetValue
. -
Method Summary
Modifier and TypeMethodDescriptionvoid
addListener
(ChangeListener<? super ObservableSet<E>> listener) Adds a newChangeListener
to thisSetExpressionHelperEx
.void
void
fireValueChangedEvent
(SetChangeListener.Change<? extends E> change) Fires notifications to all attachedInvalidationListeners
, andSetChangeListeners
.void
removeListener
(ChangeListener<? super ObservableSet<E>> listener) Removes the givenChangeListener
from thisSetChangeListener
.Methods inherited from class org.eclipse.gef.common.collections.SetListenerHelperEx
addListener, addListener, getSource, notifyInvalidationListeners, notifySetChangeListeners, removeListener, removeListener
-
Constructor Details
-
SetExpressionHelperEx
Constructs a newSetExpressionHelperEx
for the given sourceObservableSetValue
.- Parameters:
observableValue
- The observableValueObservableSet
, which is used in change notifications.
-
-
Method Details
-
addListener
Adds a newChangeListener
to thisSetExpressionHelperEx
. 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
public void fireValueChangedEvent() -
fireValueChangedEvent
Fires notifications to all attachedInvalidationListeners
, andSetChangeListeners
.- Overrides:
fireValueChangedEvent
in classSetListenerHelperEx<E>
- Parameters:
change
- The change that needs to be propagated.
-
removeListener
Removes the givenChangeListener
from thisSetChangeListener
. If it was registered more than once, removes only one occurrence.- Parameters:
listener
- TheChangeListener
to remove.
-