org.dishevelled.observable.graph.event
Class GraphChangeEvent<N,E>

java.lang.Object
  java.util.EventObject
      org.dishevelled.observable.graph.event.GraphChangeEvent<N,E>

Type Parameters:

N - node value type

E - edge value type

All Implemented Interfaces:

Serializable

public class GraphChangeEvent<N,E>
extends EventObject

An event object representing a change made to an observable graph.

Version:

$Revision$ $Date$

Author:

Michael Heuer

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

GraphChangeEvent(ObservableGraph<N,E> source)
Create a new graph change event with the specified observable graph as the event source.

GraphChangeEvent(ObservableGraph<N,E> source, Edge<N,E> edge)
Create a new graph change event with the specified observable graph as the event source and the specified newly created or removed edge.

GraphChangeEvent(ObservableGraph<N,E> source, Node<N,E> node)
Create a new graph change event with the specified observable graph as the event source and the specified newly created or removed node.

Method Summary

Edge<N,E>	getEdge() Return the newly created or removed edge for this graph change event, if any.
Node<N,E>	getNode() Return the newly created or removed node for this graph change event, if any.
ObservableGraph<N,E>	getObservableGraph() Return the source of this graph change event as an ObservableGraph.

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

GraphChangeEvent

public GraphChangeEvent(ObservableGraph<N,E> source)

Create a new graph change event with the specified observable graph as the event source.

Parameters:

source - source of the event, must not be null

GraphChangeEvent

public GraphChangeEvent(ObservableGraph<N,E> source,
                        Node<N,E> node)

Create a new graph change event with the specified observable graph as the event source and the specified newly created or removed node.

Parameters:

source - source of the event, must not be null

node - newly created or removed node, if any

GraphChangeEvent

public GraphChangeEvent(ObservableGraph<N,E> source,
                        Edge<N,E> edge)

Create a new graph change event with the specified observable graph as the event source and the specified newly created or removed edge.

Parameters:

source - source of the event, must not be null

edge - newly created or removed edge, if any

Method Detail

getObservableGraph

public final ObservableGraph<N,E> getObservableGraph()

Return the source of this graph change event as an ObservableGraph.

Returns:

the source of this graph change event as an ObservableGraph

getNode

public final Node<N,E> getNode()

Return the newly created or removed node for this graph change event, if any.

Returns:

the newly created or removed node for this graph change event, if any

getEdge

public final Edge<N,E> getEdge()

Return the newly created or removed edge for this graph change event, if any.

Returns:

the newly created or removed edge for this graph change event, if any