Eclipse Platform
Release 3.3

org.eclipse.core.databinding.observable.map
Class MapChangeEvent

java.lang.Object
  extended byjava.util.EventObject
      extended byorg.eclipse.core.databinding.observable.ObservableEvent
          extended byorg.eclipse.core.databinding.observable.map.MapChangeEvent
All Implemented Interfaces:
Serializable

public class MapChangeEvent
extends ObservableEvent

Map change event describing an incremental change of an IObservableMap object.

Since:
1.0
See Also:
Serialized Form

Field Summary
 MapDiff diff
          Description of the change to the source observable map.
 
Fields inherited from class java.util.EventObject
source
 
Constructor Summary
MapChangeEvent(IObservableMap source, MapDiff diff)
          Creates a new map change event
 
Method Summary
protected  void dispatch(IObservablesListener listener)
          Dispatch this event to the given listener.
protected  Object getListenerType()
          Returns a unique object used for distinguishing this event type from others.
 IObservableMap getObservableMap()
          Returns the observable map from which this event originated.
 
Methods inherited from class org.eclipse.core.databinding.observable.ObservableEvent
getObservable
 
Methods inherited from class java.util.EventObject
getSource, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

diff

public MapDiff diff
Description of the change to the source observable map. Listeners must not change this field.

Constructor Detail

MapChangeEvent

public MapChangeEvent(IObservableMap source,
                      MapDiff diff)
Creates a new map change event

Parameters:
source - the source observable map
diff - the map change
Method Detail

getObservableMap

public IObservableMap getObservableMap()
Returns the observable map from which this event originated.

Returns:
the observable map from which this event originated

dispatch

protected void dispatch(IObservablesListener listener)
Description copied from class: ObservableEvent
Dispatch this event to the given listener. Subclasses must implement this method by calling the appropriate type-safe event handling method on the given listener according to the type of this event.

Specified by:
dispatch in class ObservableEvent
Parameters:
listener - the listener that should handle the event

getListenerType

protected Object getListenerType()
Description copied from class: ObservableEvent
Returns a unique object used for distinguishing this event type from others.

Specified by:
getListenerType in class ObservableEvent
Returns:
a unique object representing the concrete type of this event.

Eclipse Platform
Release 3.3

Guidelines for using Eclipse APIs.

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