Package org.eclipse.core.databinding.observable

Class ChangeEvent

  • All Implemented Interfaces:
    java.io.Serializable
    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

    • Field Summary

      • Fields inherited from class java.util.EventObject

        source

    • Constructor Summary

      Constructors 
      Constructor Description
      ChangeEvent​(IObservable source)
      Creates a new change event object.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void dispatch​(IObservablesListener listener)
      Dispatch this event to the given listener.
      protected java.lang.Object getListenerType()
      Returns a unique object used for distinguishing this event type from others.

      • 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

      • getListenerType

        protected java.lang.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.