org.mailster.util
Class AbstractReloadableSoftReference<E,T>

java.lang.Object
  org.mailster.util.AbstractReloadableSoftReference<E,T>

Direct Known Subclasses:

SoftSmtpMessageReference

public abstract class AbstractReloadableSoftReference<E,T>
extends java.lang.Object

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Mailster (C) 2007-2009 De Oliveira Edouard

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

See Mailster Web Site
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AbstractReloadableSoftReference.java - Provides a reloadable soft reference for an object.

Version:

$Revision: 1.3 $, $Date: 2008/12/06 13:57:17 $

Author:

Edouard De Oliveira

Field Summary

private E	key
private java.lang.ref.SoftReference<T>	ref

Constructor Summary

AbstractReloadableSoftReference(E key, T object)

Method Summary

abstract void	delete()
T	get() This method may return null if object has been gc'ed.
E	getKey()
T	getReference()
abstract T	reload()
abstract void	store(T object)

Methods inherited from class java.lang.Object

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

Field Detail

ref

private java.lang.ref.SoftReference<T> ref

key

private E key

Constructor Detail

AbstractReloadableSoftReference

public AbstractReloadableSoftReference(E key,
                                       T object)

Method Detail

store

public abstract void store(T object)

reload

public abstract T reload()

delete

public abstract void delete()

get

public T get()

This method may return null if object has been gc'ed.

Returns:

the object.

getReference

public T getReference()

getKey

public E getKey()