/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.jpa.container;
import java.util.Map;
/**
*
* @author Scott Marlow
*/
public final class ExtendedPersistenceShallowInheritance implements ExtendedPersistenceInheritanceStrategy {
public static final ExtendedPersistenceShallowInheritance INSTANCE = new ExtendedPersistenceShallowInheritance();
@Override
public void registerExtendedPersistenceContext(String scopedPuName, ExtendedEntityManager entityManager) {
if (SFSBCallStack.getSFSBCreationBeanNestingLevel() > 0) {
SFSBCallStack.getSFSBCreationTimeInjectedXPCs(scopedPuName).registerShallowInheritance(scopedPuName, entityManager);
}
}
@Override
public ExtendedEntityManager findExtendedPersistenceContext(String puScopedName) {
ExtendedEntityManager result = null;
// if current bean is injected from a parent bean that is also being created, current bean
// can inherit only from the parent bean.
if (SFSBCallStack.getSFSBCreationBeanNestingLevel() > 1) {
SFSBInjectedXPCs currentInjectedXPCs = SFSBCallStack.getSFSBCreationTimeInjectedXPCs(puScopedName);
result = currentInjectedXPCs.findExtendedPersistenceContextShallowInheritance(puScopedName);
} else {
// else inherit from parent bean that created current bean (if any). The parent bean is the one
// that did a JNDI lookup of the current bean.
Map<String, ExtendedEntityManager> handle = SFSBCallStack.getCurrentCall();
if (handle != null) {
result = handle.get(puScopedName);
if (result != null) {
return result;
}
}
}
return result;
}
}