nl.tudelft.simulation.event.ref
Class Reference

java.lang.Object
  nl.tudelft.simulation.event.ref.Reference

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

StrongReference, WeakReference

public abstract class Reference
extends Object
implements Serializable

A Reference interface defining the indirect pointer access to an object.

(c) copyright 2002-2005 Delft University of Technology , the Netherlands.

See for project information www.simulation.tudelft.nl/event
License of use: Lesser General Public License (LGPL) , no warranty

Since:

1.2

Version:

$Revision: 1.1 $ $Date: 2007/01/06 13:24:36 $

Author:

Peter Jacobs

See Also:

Reference, Serialized Form

Constructor Summary

Reference()

Method Summary

abstract Object	get() Returns this reference object's referent.
protected abstract void	set(Object value) sets the value of the reference

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Reference

public Reference()

Method Detail

get

public abstract Object get()

Returns this reference object's referent. If this reference object has been cleared, either by the program or by the garbage collector, then this method returns null.

Returns:

The object to which this reference refers, or null if this reference object has been cleared

set

protected abstract void set(Object value)

sets the value of the reference