/*
* 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.entity.interceptors;
import javax.ejb.EJBLocalObject;
import javax.ejb.EJBObject;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ee.component.ComponentView;
import org.jboss.as.ejb3.component.entity.EntityBeanComponent;
import org.jboss.as.ejb3.component.entity.EntityBeanComponentInstance;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
/**
* Interceptor that handles the {@link javax.ejb.EJBLocalObject#isIdentical(javax.ejb.EJBLocalObject)}
* && {@link javax.ejb.EJBObject#isIdentical(javax.ejb.EJBObject)} methods
*
* @author Stuart Douglas
*/
public class EntityBeanIsIdenticalInterceptorFactory implements InterceptorFactory {
public static final EntityBeanIsIdenticalInterceptorFactory INSTANCE = new EntityBeanIsIdenticalInterceptorFactory();
private EntityBeanIsIdenticalInterceptorFactory() {
}
@Override
public Interceptor create(final InterceptorFactoryContext context) {
final ComponentView componentView = (ComponentView) context.getContextData().get(ComponentView.class);
return new EntityIsIdenticalInterceptor(componentView);
}
private class EntityIsIdenticalInterceptor implements Interceptor {
private final ComponentView componentView;
public EntityIsIdenticalInterceptor(final ComponentView componentView) {
this.componentView = componentView;
}
@Override
public Object processInvocation(final InterceptorContext context) throws Exception {
final EntityBeanComponentInstance instance = (EntityBeanComponentInstance) context.getPrivateData(ComponentInstance.class);
try {
final Object primaryKey = context.getPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY);
final Object other = context.getParameters()[0];
if (!componentView.getViewClass().isAssignableFrom(other.getClass())) {
return false;
}
if (context.getMethod().getParameterTypes()[0].equals(EJBLocalObject.class)) {
return ((EJBLocalObject) other).getPrimaryKey().equals(primaryKey);
} else {
return ((EJBObject) other).getPrimaryKey().equals(primaryKey);
}
} finally {
instance.getComponent().getCache().release(instance, true);
}
}
}
}