Package org.jboss.as.cmp.component.interceptors

Source Code of org.jboss.as.cmp.component.interceptors.CmpEntityBeanRemoveInterceptorFactory

/*
* 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.cmp.component.interceptors;

import java.lang.reflect.Method;

import javax.ejb.NoSuchEJBException;

import org.jboss.as.cmp.component.CmpEntityBeanComponent;
import org.jboss.as.cmp.component.CmpEntityBeanComponentInstance;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ejb3.component.entity.EntityBeanComponent;
import org.jboss.as.ejb3.component.entity.interceptors.EntityBeanAssociatingInterceptorFactory;
import org.jboss.as.ejb3.component.interceptors.AbstractEJBInterceptor;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
import org.jboss.logging.Logger;

/**
* TODO: combine with Entity remove interceptor
*
* @author John Bailey
*/
public class CmpEntityBeanRemoveInterceptorFactory implements InterceptorFactory {

    private final Logger log = Logger.getLogger(EntityBeanAssociatingInterceptorFactory.class);

    private final Method ejbRemove;

    public CmpEntityBeanRemoveInterceptorFactory(final Method ejbRemove) {
        this.ejbRemove = ejbRemove;
    }

    public Interceptor create(final InterceptorFactoryContext context) {
        return new AbstractEJBInterceptor() {
            public Object processInvocation(final InterceptorContext context) throws Exception {
                final CmpEntityBeanComponent component = getComponent(context, CmpEntityBeanComponent.class);

                final Object primaryKey = context.getPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY);
                if (primaryKey == null) {
                    throw new NoSuchEJBException("Invocation was not associated with an instance, primary key was null, instance may have been removed");
                }

                final CmpEntityBeanComponentInstance instance = (CmpEntityBeanComponentInstance) component.getCache().get(primaryKey);
                //Call the ejbRemove method
                Method oldMethod = context.getMethod();
                try {
                    context.putPrivateData(ComponentInstance.class, instance);
                    context.setMethod(ejbRemove);
                    context.setTarget(instance.getInstance());
                    instance.getInterceptor(ejbRemove).processInvocation(context);
                } finally {
                    context.setMethod(oldMethod);
                    context.setTarget(null);
                    context.putPrivateData(ComponentInstance.class, null);
                }

                // Invoke CMP remove
                component.getStoreManager().removeEntity(instance.getEjbContext());
                instance.setRemoved(true);
                instance.removeAllTimers();
                return null;
            }
        };
    }
}
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