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* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., 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.as.jpa.interceptor;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ejb3.component.stateful.StatefulSessionComponentInstance;
import org.jboss.as.jpa.container.SFSBCallStack;
import org.jboss.as.jpa.ejb3.SFSBContextHandleImpl;
import org.jboss.invocation.ImmediateInterceptorFactory;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
/**
* Stateful session bean Invocation interceptor that is responsible for the SFSBCallStack being set for each
* SFSB invocation that JPA is interested in.
*
* @author Scott Marlow
*/
public class SFSBInvocationInterceptor implements Interceptor {
public static final InterceptorFactory FACTORY = new ImmediateInterceptorFactory(new SFSBInvocationInterceptor());
protected SFSBInvocationInterceptor() {
}
@Override
public Object processInvocation(InterceptorContext context) throws Exception {
ComponentInstance componentInstance = context.getPrivateData(ComponentInstance.class);
if (componentInstance == null) {
throw new IllegalStateException("componentInstance not set in InterceptorContext: " + context);
}
StatefulSessionComponentInstance sfsb = (StatefulSessionComponentInstance) componentInstance;
SFSBContextHandleImpl sfsbContextHandle = new SFSBContextHandleImpl(sfsb);
SFSBCallStack.pushCall(sfsbContextHandle);
try {
return context.proceed(); // call the next interceptor or target
} finally {
SFSBCallStack.popCall();
}
}
}