Package org.apache.cayenne.event

Class CayenneEvent

java.lang.Object

java.util.EventObject

org.apache.cayenne.event.CayenneEvent

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

GraphEvent, MapEvent, SnapshotEvent

public class CayenneEvent
extends EventObject

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

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Map	info
protected Object	postedBy
protected EventSubject	subject

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
CayenneEvent(Object source)
CayenneEvent(Object source, Object postedBy, Map info)	Creates CayenneEvent with possibly different event source and poster.
CayenneEvent(Object source, Map info)

Method Summary

Modifier and Type	Method	Description
Map	getInfo()
Object	getPostedBy()	Returns an object that posted this event.
EventSubject	getSubject()
void	setPostedBy(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 Details

info

protected Map info

postedBy

protected transient Object postedBy

subject

protected EventSubject subject

Constructor Details

CayenneEvent

public CayenneEvent(Object source)

CayenneEvent

public CayenneEvent(Object source,
 Map info)

CayenneEvent

public CayenneEvent(Object source,
 Object postedBy,
 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 Details

getInfo

public Map getInfo()

getSubject

public EventSubject getSubject()

Since:

1.2

setSubject

public void setSubject(EventSubject subject)

Since:

1.2

getPostedBy

public 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(Object postedBy)