/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.weld.ejb;
import java.security.AccessController;
import java.util.HashMap;
import java.util.Map;
import org.jboss.as.ee.component.ComponentView;
import org.jboss.as.naming.ManagedReference;
import org.jboss.as.server.CurrentServiceContainer;
import org.jboss.as.weld.logging.WeldLogger;
import org.jboss.msc.service.ServiceContainer;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.weld.ejb.api.SessionObjectReference;
/**
* Implementation for non-stateful beans.
*
* @author Stuart Douglas
*/
public class SessionObjectReferenceImpl implements SessionObjectReference {
private final Map<Class<?>, ServiceName> viewServices;
private final String ejbName;
private transient Map<String, ManagedReference> businessInterfaceToReference;
public SessionObjectReferenceImpl(EjbDescriptorImpl<?> descriptor) {
ejbName = descriptor.getEjbName();
this.viewServices = descriptor.getViewServices();
}
@Override
@SuppressWarnings({ "unchecked" })
public synchronized <S> S getBusinessObject(Class<S> businessInterfaceType) {
final String businessInterfaceName = businessInterfaceType.getName();
ManagedReference managedReference = null;
if (businessInterfaceToReference == null) {
businessInterfaceToReference = new HashMap<String, ManagedReference>();
} else {
managedReference = businessInterfaceToReference.get(businessInterfaceName);
}
if (managedReference == null) {
if (viewServices.containsKey(businessInterfaceType)) {
final ServiceController<?> serviceController = currentServiceContainer().getRequiredService(
viewServices.get(businessInterfaceType));
final ComponentView view = (ComponentView) serviceController.getValue();
try {
managedReference = view.createInstance();
businessInterfaceToReference.put(businessInterfaceType.getName(), managedReference);
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
throw WeldLogger.ROOT_LOGGER.viewNotFoundOnEJB(businessInterfaceType.getName(), ejbName);
}
}
return (S) managedReference.getInstance();
}
@Override
public void remove() {
//nop
}
@Override
public boolean isRemoved() {
return false;
}
private static ServiceContainer currentServiceContainer() {
if(System.getSecurityManager() == null) {
return CurrentServiceContainer.getServiceContainer();
}
return AccessController.doPrivileged(CurrentServiceContainer.GET_ACTION);
}
}