/*
* JBoss, Home of Professional Open Source.
* Copyright (c) 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.ejb3.component.pool;
import java.rmi.RemoteException;
import javax.ejb.ConcurrentAccessException;
import javax.ejb.ConcurrentAccessTimeoutException;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ejb3.component.interceptors.AbstractEJBInterceptor;
import org.jboss.as.ejb3.component.EJBComponent;
import org.jboss.invocation.InterceptorContext;
/**
* @author <a href="mailto:cdewolf@redhat.com">Carlo de Wolf</a>
*/
public class PooledInstanceInterceptor extends AbstractEJBInterceptor {
public static final PooledInstanceInterceptor INSTANCE = new PooledInstanceInterceptor();
private PooledInstanceInterceptor() {
}
@Override
public Object processInvocation(InterceptorContext context) throws Exception {
PooledComponent<ComponentInstance> component = (PooledComponent<ComponentInstance>) getComponent(context, EJBComponent.class);
ComponentInstance instance = component.getPool().get();
context.putPrivateData(ComponentInstance.class, instance);
boolean discarded = false;
try {
return context.proceed();
} catch (Exception ex) {
final EJBComponent ejbComponent = (EJBComponent)component;
// Detect app exception
if (ejbComponent.getApplicationException(ex.getClass(), context.getMethod()) != null) {
// it's an application exception, just throw it back.
throw ex;
}
if(ex instanceof ConcurrentAccessTimeoutException || ex instanceof ConcurrentAccessException) {
throw ex;
}
if (ex instanceof RuntimeException || ex instanceof RemoteException) {
discarded = true;
component.getPool().discard(instance);
}
throw ex;
} catch (final Error e) {
discarded = true;
component.getPool().discard(instance);
throw e;
} catch (final Throwable t) {
discarded = true;
component.getPool().discard(instance);
throw new RuntimeException(t);
} finally {
if (!discarded) {
component.getPool().release(instance);
}
}
}
}