/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.weld.ejb;
import java.io.Serializable;
import javax.interceptor.InvocationContext;
import org.jboss.weld.context.RequestContext;
import org.jboss.weld.context.ejb.EjbRequestContext;
import org.jboss.weld.literal.DestroyedLiteral;
import org.jboss.weld.literal.InitializedLiteral;
import org.jboss.weld.manager.BeanManagerImpl;
/**
* Interceptor for ensuring the request context is active during requests to EJBs.
* <p/>
* Normally, a servlet will start the request context, however in non-servlet
* requests (e.g. MDB, async, timeout) the contexts may need starting.
* <p/>
* The Application context is active for duration of the deployment
*
* @author Pete Muir
* @author Jozef Hartinger
*/
public abstract class AbstractEJBRequestScopeActivationInterceptor implements Serializable {
private static final long serialVersionUID = 7327757031821596782L;
public Object aroundInvoke(InvocationContext invocation) throws Exception {
if (isRequestContextActive()) {
return invocation.proceed();
} else {
EjbRequestContext requestContext = getEjbRequestContext();
try {
requestContext.associate(invocation);
requestContext.activate();
try {
// An event with qualifier @Initialized(RequestScoped.class) is fired when the request context is initialized
getBeanManager().getGlobalLenientObserverNotifier().fireEvent(new Object(), InitializedLiteral.REQUEST);
return invocation.proceed();
} finally {
requestContext.invalidate();
requestContext.deactivate();
}
} finally {
requestContext.dissociate(invocation);
// An event with qualifier @Destroyed(RequestScoped.class) when the request context is destroyed
getBeanManager().getGlobalLenientObserverNotifier().fireEvent(new Object(), DestroyedLiteral.REQUEST);
}
}
}
protected boolean isRequestContextActive() {
for (RequestContext requestContext : getBeanManager().instance().select(RequestContext.class)) {
if (requestContext.isActive()) {
return true;
}
}
return false;
}
protected EjbRequestContext getEjbRequestContext() {
return getBeanManager().instance().select(EjbRequestContext.class).get();
}
protected abstract BeanManagerImpl getBeanManager();
}