/*
* 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.ejb.plugins.local;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
/** The EJBLocal proxy for an entity
@author <a href="mailto:scott.stark@jboss.org">Scott Stark</a>
@version $Revision: 81030 $
*/
class EntityProxy extends LocalProxy
implements InvocationHandler
{
static final long serialVersionUID = 5196148608172665115L;
private Object cacheKey;
private boolean removed;
EntityProxy(String jndiName, Object id, BaseLocalProxyFactory factory)
{
super(jndiName, factory);
cacheKey = id;
}
protected Object getId()
{
return cacheKey;
}
public final Object invoke(final Object proxy, final Method m, Object[] args)
throws Throwable
{
if(removed)
{
throw new javax.ejb.NoSuchObjectLocalException("The instance has been removed: " + toStringImpl());
}
if (args == null)
args = EMPTY_ARGS;
Object retValue = super.invoke( proxy, m, args );
if( retValue == null )
{
// If not taken care of, go on and call the container
retValue = factory.invoke(cacheKey, m, args);
}
if(m.equals(REMOVE))
{
removed = true;
}
return retValue;
}
}