/*
* class: RecordEvent
*
* Version $Id: RecordEvent.java 8584 2006-08-10 23:06:37Z duns $
*
* Date: February 9 2003
*
* (c) 2003 LBNL
*/
package org.freehep.record.loop.event;
import org.freehep.record.loop.SequentialRecordLoop;
import java.util.EventObject;
/**
This class is used to notify {@link RecordListener} objects that there has
been a transition in a <code>{@link
org.freehep.record.loop.SequentialRecordLoop SequentialRecordLoop}</code>.
*
* @version $Id: RecordEvent.java 8584 2006-08-10 23:06:37Z duns $
* @author patton
*/
public class RecordEvent
extends EventObject
{
// public static final member data
// protected static final member data
// static final member data
// private static final member data
// private static member data
// private instance member data
/** The SequentialRecordLoop which is the source if it is one */
private SequentialRecordLoop recordLoop;
// constructors
/**
* Create an instance of this class.
* Default constructor is declared, but private, to stop accidental
* creation of an instance of the class.
*/
private RecordEvent()
{
super(null);
}
/**
* Create an instance of this class with the specified Object as the
* source.
*
* @param source the object which is the source of this event.
*/
public RecordEvent(Object source)
{
super(source);
}
/**
* Create an instance of this class with the specified
* SequentialRecordLoop as the source.
*
* @param source the object which is the source of this event.
*/
public RecordEvent(SequentialRecordLoop source)
{
super(source);
recordLoop = source;
}
// instance member function (alphabetic)
/**
* Returns the SequentialRecordLoop which is the source of this event. If
* the source of this event is not a SequentialRecordLoop object then
* 'null' is returned.
*
* @return the SequentialRecordLoop which is the source of this event.
*/
public SequentialRecordLoop getRecordLoop()
{
return recordLoop;
}
// static member functions (alphabetic)
// Description of this object.
// public String toString() {}
// public static void main(String args[]) {}
}