/*
* 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.ejb3.component.interceptors;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ejb3.component.EJBComponent;
import org.jboss.invocation.InterceptorContext;
import javax.ejb.ConcurrentAccessException;
import javax.ejb.ConcurrentAccessTimeoutException;
import java.rmi.RemoteException;
/**
* A {@link ComponentInstance} associating interceptor for EJB components (SLSB and message driven) which
* have pooling disabled. Upon each {@link #processInvocation(org.jboss.invocation.InterceptorContext) invocation}
* this interceptor creates a new {@link ComponentInstance} and associates it with the invocation. It then
* {@link org.jboss.as.ee.component.ComponentInstance#destroy() destroys} the instance upon method completion.
* <p/>
* User: Jaikiran Pai
*/
public class NonPooledEJBComponentInstanceAssociatingInterceptor extends AbstractEJBInterceptor {
public static final NonPooledEJBComponentInstanceAssociatingInterceptor INSTANCE = new NonPooledEJBComponentInstanceAssociatingInterceptor();
private NonPooledEJBComponentInstanceAssociatingInterceptor() {
}
@Override
public Object processInvocation(InterceptorContext context) throws Exception {
final EJBComponent component = getComponent(context, EJBComponent.class);
// create the instance
final ComponentInstance componentInstance = component.createInstance();
context.putPrivateData(ComponentInstance.class, componentInstance);
//if this is set to true we do not invoke instance.destroy
//as we are not allowed to invoke pre-destroy callbacks
boolean discard = false;
try {
return context.proceed();
} catch (Exception ex) {
final 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) {
discard = true;
}
throw ex;
} catch (final Error e) {
discard = true;
throw e;
} catch (final Throwable t) {
discard = true;
throw new RuntimeException(t);
} finally {
// destroy the instance
if (!discard) {
componentInstance.destroy();
}
}
}
}