Eclipse Plug-in Developer Guide (Galileo) - MapChangeEvent (Eclipse Platform API Specification)

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Eclipse Platform
Release 3.5

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


java.lang.Object
  

java.util.EventObject
      

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

All Implemented Interfaces:: Serializable

public class MapChangeEvent
extends ObservableEvent
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()