/*
* 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;
import java.lang.reflect.Method;
import java.rmi.RemoteException;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import javax.ejb.EJBException;
import javax.ejb.EJBLocalHome;
import javax.transaction.Transaction;
import org.jboss.as.cmp.TransactionEntityMap;
import org.jboss.as.cmp.context.CmpEntityBeanContext;
import org.jboss.as.cmp.jdbc.JDBCEntityPersistenceStore;
import org.jboss.as.cmp.jdbc.bridge.CMRMessage;
import org.jboss.as.ee.component.BasicComponentInstance;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ejb3.component.entity.EntityBeanComponent;
import org.jboss.as.ejb3.component.entity.EntityBeanComponentCreateService;
import org.jboss.as.ejb3.component.entity.entitycache.ReadyEntityCache;
import org.jboss.as.ejb3.component.entity.entitycache.TransactionLocalEntityCache;
import org.jboss.as.naming.ManagedReference;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
import org.jboss.invocation.SimpleInterceptorFactoryContext;
import org.jboss.msc.value.Value;
/**
* @author John Bailey
*/
public class CmpEntityBeanComponent extends EntityBeanComponent {
private final Value<JDBCEntityPersistenceStore> storeManager;
private final InterceptorFactory relationInterceptorFactory;
private boolean ejbStoreForClean;
private final TransactionEntityMap transactionEntityMap;
public CmpEntityBeanComponent(final CmpEntityBeanComponentCreateService ejbComponentCreateService, final Value<JDBCEntityPersistenceStore> storeManager) {
super(ejbComponentCreateService);
this.storeManager = storeManager;
this.relationInterceptorFactory = ejbComponentCreateService.getRelationInterceptorFactory();
this.transactionEntityMap = ejbComponentCreateService.getTransactionEntityMap();
}
protected BasicComponentInstance instantiateComponentInstance(final AtomicReference<ManagedReference> instanceReference, final Interceptor preDestroyInterceptor, final Map<Method, Interceptor> methodInterceptors, final InterceptorFactoryContext interceptorContext) {
final SimpleInterceptorFactoryContext factoryContext = new SimpleInterceptorFactoryContext();
factoryContext.getContextData().put(Component.class, this);
final Interceptor interceptor = relationInterceptorFactory.create(factoryContext);
return new CmpEntityBeanComponentInstance(this, instanceReference, preDestroyInterceptor, methodInterceptors, interceptor);
}
public void start() {
super.start();
if (storeManager == null || storeManager.getValue() == null) {
throw new IllegalStateException("Store manager not set");
}
}
public Collection<Object> getEntityLocalCollection(List<Object> idList) {
return null; // TODO: jeb - This should return proxy instances to local entities
}
public void synchronizeEntitiesWithinTransaction(Transaction transaction) {
// If there is no transaction, there is nothing to synchronize.
if (transaction != null) {
getTransactionEntityMap().synchronizeEntities(transaction);
}
}
public EJBLocalHome getEJBLocalHome() throws IllegalStateException {
return createViewInstanceProxy(getLocalHomeClass(), Collections.emptyMap());
}
public JDBCEntityPersistenceStore getStoreManager() {
return storeManager.getValue();
}
public Object invoke(final CMRMessage message, final Object key, final Object... params) throws Exception {
final CmpEntityBeanComponentInstance instance = (CmpEntityBeanComponentInstance) getCache().get(key);
return instance.invoke(message, params);
}
/**
* Invokes ejbStore method on the instance
*
* @param ctx the instance to invoke ejbStore on
* @throws Exception
*/
public void invokeEjbStore(CmpEntityBeanContext ctx) throws Exception {
if (ctx.getPrimaryKey() != null) {
// if call-ejb-store-for-clean=true then invoke ejbStore first (the last chance to modify the instance)
if (ejbStoreForClean) {
try {
ctx.getInstance().ejbStore();
} catch (Exception e) {
throwRemoteException(e);
}
} else {
// else check whether the instance is dirty and invoke ejbStore only if it is really dirty
boolean modified = false;
try {
modified = getStoreManager().isStoreRequired(ctx);
} catch (Exception e) {
throwRemoteException(e);
}
if (modified) {
try {
ctx.getInstance().ejbStore();
} catch (Exception e) {
throwRemoteException(e);
}
}
}
}
}
public void storeEntity(CmpEntityBeanContext ctx) throws Exception {
if (ctx.getPrimaryKey() != null) {
if (getStoreManager().isStoreRequired(ctx)) {
getStoreManager().storeEntity(ctx);
}
}
}
private void throwRemoteException(Exception e)
throws RemoteException {
if (e instanceof RemoteException) {
// Rethrow exception
throw (RemoteException) e;
} else if (e instanceof EJBException) {
// Rethrow exception
throw (EJBException) e;
} else {
// Wrap runtime exceptions
throw new EJBException((Exception) e);
}
}
public TransactionEntityMap getTransactionEntityMap() {
return transactionEntityMap;
}
protected ReadyEntityCache createEntityCache(EntityBeanComponentCreateService ejbComponentCreateService) {
if (CmpEntityBeanComponentCreateService.class.cast(ejbComponentCreateService).getEntityMetaData().getOptimisticLocking() == null) {
return super.createEntityCache(ejbComponentCreateService);
} else {
return new TransactionLocalEntityCache(this);
}
}
}