/*
* 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.ejb3.component.entity.interceptors;
import java.rmi.RemoteException;
import javax.ejb.ConcurrentAccessException;
import javax.ejb.ConcurrentAccessTimeoutException;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ee.component.interceptors.InvocationType;
import org.jboss.as.ejb3.component.entity.EntityBeanComponent;
import org.jboss.as.ejb3.component.entity.EntityBeanComponentInstance;
import org.jboss.as.ejb3.component.interceptors.AbstractEJBInterceptor;
import org.jboss.as.ejb3.timerservice.spi.BeanRemovedException;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
import static org.jboss.as.ejb3.EjbLogger.ROOT_LOGGER;
import static org.jboss.as.ejb3.EjbMessages.MESSAGES;
/**
* Interceptor factory for entity beans that associates an invocation with a primary key
*
* @author Stuart Douglas
*/
public class EntityBeanAssociatingInterceptorFactory implements InterceptorFactory {
public static final EntityBeanAssociatingInterceptorFactory INSTANCE = new EntityBeanAssociatingInterceptorFactory();
private EntityBeanAssociatingInterceptorFactory() {
}
@Override
public Interceptor create(final InterceptorFactoryContext factoryContext) {
return new AbstractEJBInterceptor() {
@Override
public Object processInvocation(final InterceptorContext context) throws Exception {
final EntityBeanComponent component = getComponent(context, EntityBeanComponent.class);
final Object primaryKey = context.getPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY);
if (primaryKey == null) {
throw MESSAGES.primaryKeyIsNull();
}
final EntityBeanComponentInstance instance;
try {
instance = component.getCache().get(primaryKey);
if (instance.isRemoved()) {
component.getCache().release(instance, true);
throw MESSAGES.instaceWasRemoved(component.getComponentName(), primaryKey);
}
} catch (javax.ejb.NoSuchEntityException e) {
//if this is a timer service invocation we throw a special exception
//that tells the invoker that this timer no longer exists, and can be removed
if (context.getPrivateData(InvocationType.class) == InvocationType.TIMER) {
throw new BeanRemovedException(e);
}
throw e;
}
try {
context.putPrivateData(ComponentInstance.class, instance);
return context.proceed();
} catch (Exception ex) {
// Detect app exception
if (component.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) {
if (ROOT_LOGGER.isTraceEnabled())
ROOT_LOGGER.trace("Discarding bean " + primaryKey + " because of exception", ex);
instance.discard();
}
throw ex;
} catch (final Error e) {
if (ROOT_LOGGER.isTraceEnabled())
ROOT_LOGGER.trace("Discarding bean " + primaryKey + " because of error", e);
instance.discard();
throw e;
} catch (final Throwable t) {
if (ROOT_LOGGER.isTraceEnabled())
ROOT_LOGGER.trace("Discarding bean " + primaryKey + " because of Throwable", t);
instance.discard();
throw new RuntimeException(t);
} finally {
// the StatefulSessionSynchronizationInterceptor will take care of releasing
context.putPrivateData(ComponentInstance.class, null);
}
}
};
}
}