Package org.apache.cayenne.graph

Class GraphEvent

java.lang.Object

java.util.EventObject

org.apache.cayenne.event.CayenneEvent

org.apache.cayenne.graph.GraphEvent

All Implemented Interfaces:

Serializable

public class GraphEvent
extends CayenneEvent

An event indicating a change in the object graph. A change is expressed as a GraphDiff, so the easiest way to process the event is the following:

    GraphChangeHandler handler = ..;
    event.getDiff().apply(handler);
 

Since:

1.2

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected GraphDiff	diff

Fields inherited from class org.apache.cayenne.event.CayenneEvent

info, postedBy, subject

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
GraphEvent(Object source, Object postedBy, GraphDiff diff)
GraphEvent(Object source, GraphDiff diff)

Method Summary

Modifier and Type	Method	Description
GraphDiff	getDiff()

Methods inherited from class org.apache.cayenne.event.CayenneEvent

getInfo, getPostedBy, getSubject, setPostedBy, setSubject

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 Details

diff

protected GraphDiff diff

Constructor Details

GraphEvent

public GraphEvent(Object source,
 GraphDiff diff)

GraphEvent

public GraphEvent(Object source,
 Object postedBy,
 GraphDiff diff)

Method Details

getDiff

public GraphDiff getDiff()