org.apache.cayenne.event
Class CayenneEvent

java.lang.Object
  java.util.EventObject
      org.apache.cayenne.event.CayenneEvent

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

DataContextEvent, GraphEvent, MapEvent, SnapshotEvent

public class CayenneEvent
extends java.util.EventObject

Common superclass for events passed from the EventManager to Listeners; encapsulates optional event information.

Author:

Dirk Olmes, Holger Hoffstaette

See Also:

Serialized Form

Field Summary

protected java.util.Map	info
protected java.lang.Object	postedBy
protected EventSubject	subject

Fields inherited from class java.util.EventObject

source

Constructor Summary

CayenneEvent(java.lang.Object source)

CayenneEvent(java.lang.Object source, java.util.Map info)

CayenneEvent(java.lang.Object source, java.lang.Object postedBy, java.util.Map info)
Creates CayenneEvent with possibly different event source and poster.

Method Summary

java.util.Map	getInfo()
java.lang.Object	getPostedBy() Returns an object that posted this event.
EventSubject	getSubject()
void	setPostedBy(java.lang.Object postedBy)
void	setSubject(EventSubject subject)

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

info

protected java.util.Map info

postedBy

protected transient java.lang.Object postedBy

subject

protected EventSubject subject

Constructor Detail

CayenneEvent

public CayenneEvent(java.lang.Object source)

CayenneEvent

public CayenneEvent(java.lang.Object source,
                    java.util.Map info)

CayenneEvent

public CayenneEvent(java.lang.Object source,
                    java.lang.Object postedBy,
                    java.util.Map info)

Creates CayenneEvent with possibly different event source and poster. This may be the case when an event is resent by listener.

Since:

1.1

Method Detail

getInfo

public java.util.Map getInfo()

getSubject

public EventSubject getSubject()

Since:

1.2

setSubject

public void setSubject(EventSubject subject)

Since:

1.2

getPostedBy

public java.lang.Object getPostedBy()

Returns an object that posted this event. It may be different from event source, if event is reposted multiple times.

setPostedBy

public void setPostedBy(java.lang.Object postedBy)