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org.eclipse.core.databinding.observable
Class ChangeEvent

java.lang.Object
  

java.util.EventObject
      

org.eclipse.core.databinding.observable.ObservableEvent
          
org.eclipse.core.databinding.observable.ChangeEvent

All Implemented Interfaces:

Serializable

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public class ChangeEvent
extends 
ObservableEvent

Generic change event denoting that the state of an IObservable object has changed. This event does not carry information about the kind of change that occurred.

Since:

1.0

See Also:

Serialized Form

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Field Summary

 

Fields inherited from class java.util. EventObject
source

 

Constructor Summary
ChangeEvent ( IObservable source)           Creates a new change event object.

 

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.

 

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

 

Constructor Detail

ChangeEvent

public ChangeEvent(
IObservable source)

Creates a new change event object.

Parameters:

source - the observable that changed state

Method Detail

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

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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.

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