/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.ejb3.remoting;
import java.io.Serializable;
import java.util.Map;
import org.jboss.aop.advice.Interceptor;
import org.jboss.aop.joinpoint.Invocation;
import org.jboss.aop.util.PayloadKey;
import org.jboss.ejb3.Container;
import org.jboss.ejb3.Ejb3Registry;
import org.jboss.ejb3.session.SessionContainer;
import org.jboss.logging.Logger;
import org.jboss.serial.io.MarshalledObjectForLocalCalls;
/**
* Routes the call to the local container, bypassing further client-side
* interceptors and any remoting layer, if this interceptor was created
* in this JVM.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @author Brian Stansberry
*
* @version $Revision: 82687 $
*/
public class IsLocalInterceptor implements Interceptor, Serializable
{
private static final long serialVersionUID = 337700910587744646L;
private static final Logger log = Logger.getLogger(IsLocalInterceptor.class);
public static final String GUID = "GUID";
public static final String IS_LOCAL = "IS_LOCAL";
public static final String IS_LOCAL_EXCEPTION = "IS_LOCAL_EXCEPTION";
private static final long stamp = System.currentTimeMillis();
private long marshalledStamp = stamp;
public String getName()
{
return getClass().getName();
}
public Object invoke(Invocation invocation) throws Throwable
{
if (isLocal())
{
String guid = (String)invocation.getMetaData(IS_LOCAL, GUID);
Container container = Ejb3Registry.getContainer(guid);
return invokeLocal(invocation, container);
}
return invocation.invokeNext();
}
protected Object invokeLocal(Invocation invocation, Container container) throws Throwable
{
Invocation copy = (Invocation) new MarshalledObjectForLocalCalls(invocation).get();
copy.getMetaData().addMetaData(IS_LOCAL, IS_LOCAL, Boolean.TRUE, PayloadKey.AS_IS);
org.jboss.aop.joinpoint.InvocationResponse response = null;
// Invoke upon the container
SessionContainer sc = (SessionContainer) container;
response = sc.dynamicInvoke(copy);
Map contextInfo = response.getContextInfo();
if (contextInfo != null)
{
MarshalledObjectForLocalCalls wrappedException = (MarshalledObjectForLocalCalls) response.getContextInfo().get(IS_LOCAL_EXCEPTION);
if (wrappedException != null)
{
throw (Throwable) wrappedException.get();
}
}
invocation.setResponseContextInfo(response.getContextInfo());
MarshalledObjectForLocalCalls wrapped = (MarshalledObjectForLocalCalls) response.getResponse();
Object rtn = null;
if (wrapped != null)
{
rtn = wrapped.get();
}
return rtn;
}
protected boolean isLocal()
{
return stamp == marshalledStamp;
}
}