/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.proxy.ejb;
import java.lang.reflect.Method;
import javax.ejb.EJBHome;
import javax.ejb.EJBMetaData;
import javax.ejb.RemoveException;
import javax.ejb.Handle;
import javax.ejb.EJBHome;
import javax.ejb.EJBObject;
import javax.ejb.HomeHandle;
import org.jboss.proxy.ejb.handle.HomeHandleImpl;
import org.jboss.invocation.Invocation;
import org.jboss.invocation.InvocationContext;
import org.jboss.invocation.InvocationKey;
import org.jboss.invocation.InvocationType;
/**
* The client-side proxy for a stateless session Home object,
* that caches the stateless session interface
*
* @author <a href="mailto:adrian@jboss.org">Adrian Brock</a>
* @version $Revision: 81030 $
*/
public class StatelessSessionHomeInterceptor
extends HomeInterceptor
{
/** Serial Version Identifier */
private static final long serialVersionUID = 1333656107035759719L;
// Attributes ----------------------------------------------------
/**
* The cached interface
*/
Object cached;
// Constructors --------------------------------------------------
/**
* No-argument constructor for externalization.
*/
public StatelessSessionHomeInterceptor() {}
// Public --------------------------------------------------------
public Object invoke(Invocation invocation)
throws Throwable
{
// Is this create()?
boolean create = invocation.getMethod().getName().equals("create");
// Do we have a cached version?
if (create && cached != null)
return cached;
// Not a cached create
Object result = super.invoke(invocation);
// We now have something to cache
if (create)
cached = result;
return result;
}
}