/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.ejb.session;
import javax.ejb.TimerService;
import com.caucho.config.gen.CandiEnhancedBean;
import com.caucho.config.inject.CreationalContextImpl;
/**
* Abstract base class for an session context
*/
public class SingletonContext<X,T> extends AbstractSessionContext<X,T> {
private T _proxy;
public SingletonContext(SingletonManager<X> manager,
Class<T> api)
{
super(manager, api);
}
/**
* Returns the server which owns this bean.
*/
@Override
public SingletonManager<X> getServer()
{
return (SingletonManager<X>) super.getServer();
}
@Override
public T createProxy(CreationalContextImpl<T> env)
{
if (_proxy == null) {
T proxy = super.createProxy(env);
if (env != null)
env.push(proxy);
if (_proxy == null)
_proxy = proxy;
// ejb/6032
getServer().initProxy(proxy, env);
}
return _proxy;
}
/**
* Returns the timer service.
*/
@Override
public TimerService getTimerService()
throws IllegalStateException
{
throw new IllegalStateException("Singleton session beans cannot call SessionContext.getTimerService()");
}
@Override
public void destroy() throws Exception
{
super.destroy();
T proxy = _proxy;
_proxy = null;
if (proxy instanceof CandiEnhancedBean) {
CandiEnhancedBean bean = (CandiEnhancedBean) proxy;
bean.__caucho_destroy(null);
}
}
}