/*
  * JBoss, Home of Professional Open Source
  * Copyright 2005, JBoss 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.ejb3.entity;

import java.io.Serializable;
import java.sql.Connection;
import javax.persistence.EntityManager;
import org.hibernate.CacheMode;
import org.hibernate.Criteria;
import org.hibernate.EntityMode;
import org.hibernate.Filter;
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.ReplicationMode;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.ejb.HibernateEntityManager;
import org.hibernate.stat.SessionStatistics;
import org.jboss.ejb3.stateful.StatefulBeanContext;

/**
 * Hibernate Session with a managed extended persistence context.
 *
 * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
 */
public class ExtendedHibernateSession implements Session, ExtendedPersistenceContext, Serializable
{
   private String identity;

   public ExtendedHibernateSession(String name)
   {
      this.identity = name;
   }

   public ExtendedHibernateSession()
   {
   }

   public ManagedEntityManagerFactory getFactory()
   {
      throw new RuntimeException("NOT IMPLEMENTED");
   }

   public EntityManager getPersistenceContext()
   {
      StatefulBeanContext beanContext = StatefulBeanContext.currentBean.get();
      EntityManager persistenceContext = beanContext.getExtendedPersistenceContext(identity);
      if (persistenceContext == null)
         throw new RuntimeException("Unable to determine persistenceContext: " + identity
                                    + " in injected SFSB: " + beanContext.getContainer().getObjectName());
      return persistenceContext;
   }

   public Session getHibernateSession()
   {
      EntityManager persistenceContext = getPersistenceContext();
      if (persistenceContext instanceof HibernateEntityManager)
      {
         return ((HibernateEntityManager) persistenceContext).getSession();
      }
      throw new RuntimeException("ILLEGAL ACTION:  Not a Hibernate persistence provider");
   }


   public EntityMode getEntityMode()
   {
      return getHibernateSession().getEntityMode();
   }

   public Session getSession(EntityMode entityMode)
   {
      return getHibernateSession().getSession(entityMode);
   }

   public void flush()
   throws HibernateException
   {
      getHibernateSession().flush();
   }

   public void setFlushMode(FlushMode flushMode)
   {
      getHibernateSession().setFlushMode(flushMode);
   }

   public FlushMode getFlushMode()
   {
      return getHibernateSession().getFlushMode();
   }

   public void setCacheMode(CacheMode cacheMode)
   {
      getHibernateSession().setCacheMode(cacheMode);
   }

   public CacheMode getCacheMode()
   {
      return getHibernateSession().getCacheMode();
   }

   public SessionFactory getSessionFactory()
   {
      return getHibernateSession().getSessionFactory();
   }

   public Connection connection()
   throws HibernateException
   {
      return getHibernateSession().connection();
   }

   public Connection disconnect()
   throws HibernateException
   {
      return getHibernateSession().disconnect();
   }

   public void reconnect()
   throws HibernateException
   {
      getHibernateSession().reconnect();
   }

   public void reconnect(Connection connection)
   throws HibernateException
   {
      getHibernateSession().reconnect(connection);
   }

   public Connection close()
   throws HibernateException
   {
      throw new IllegalStateException("It is illegal to close an injected Hibernate Session");
   }

   public void cancelQuery()
   throws HibernateException
   {
      getHibernateSession().cancelQuery();
   }

   public boolean isOpen()
   {
      return getHibernateSession().isOpen();
   }

   public boolean isConnected()
   {
      return getHibernateSession().isConnected();
   }

   public boolean isDirty()
   throws HibernateException
   {
      return getHibernateSession().isDirty();
   }

   public Serializable getIdentifier(Object object)
   throws HibernateException
   {
      return getHibernateSession().getIdentifier(object);
   }

   public boolean contains(Object object)
   {
      return getHibernateSession().contains(object);
   }

   public void evict(Object object)
   throws HibernateException
   {
      getHibernateSession().evict(object);
   }

   public Object load(Class theClass, Serializable id, LockMode lockMode)
   throws HibernateException
   {
      return getHibernateSession().load(theClass, id, lockMode);
   }

   public Object load(String entityName, Serializable id, LockMode lockMode)
   throws HibernateException
   {
      return getHibernateSession().load(entityName, id, lockMode);
   }

   public Object load(Class theClass, Serializable id)
   throws HibernateException
   {
      return getHibernateSession().load(theClass, id);
   }

   public Object load(String entityName, Serializable id)
   throws HibernateException
   {
      return getHibernateSession().load(entityName, id);
   }

   public void load(Object object, Serializable id)
   throws HibernateException
   {
      getHibernateSession().load(object, id);
   }

   public void replicate(Object object, ReplicationMode replicationMode)
   throws HibernateException
   {
      getHibernateSession().replicate(object, replicationMode);
   }

   public void replicate(String entityName, Object object, ReplicationMode replicationMode)
   throws HibernateException
   {
      getHibernateSession().replicate(entityName, object, replicationMode);
   }

   public Serializable save(Object object)
   throws HibernateException
   {
      return getHibernateSession().save(object);
   }

   public Serializable save(String entityName, Object object)
   throws HibernateException
   {
      return getHibernateSession().save(entityName, object);
   }

   public void saveOrUpdate(Object object)
   throws HibernateException
   {
      getHibernateSession().saveOrUpdate(object);
   }

   public void saveOrUpdate(String entityName, Object object)
   throws HibernateException
   {
      getHibernateSession().saveOrUpdate(entityName, object);
   }

   public void update(Object object)
   throws HibernateException
   {
      getHibernateSession().update(object);
   }

   public void update(String entityName, Object object)
   throws HibernateException
   {
      getHibernateSession().update(entityName, object);
   }

   public Object merge(Object object)
   throws HibernateException
   {
      return getHibernateSession().merge(object);
   }

   public Object merge(String entityName, Object object)
   throws HibernateException
   {
      return getHibernateSession().merge(entityName, object);
   }

   public void persist(Object object)
   throws HibernateException
   {
      getHibernateSession().persist(object);
   }

   public void persist(String entityName, Object object)
   throws HibernateException
   {
      getHibernateSession().persist(entityName, object);
   }

   public void delete(Object object)
   throws HibernateException
   {
      getHibernateSession().delete(object);
   }

   public void delete(String entityName, Object object)
   throws HibernateException
   {
      getHibernateSession().delete(entityName, object);
   }

   public void lock(Object object, LockMode lockMode)
   throws HibernateException
   {
      getHibernateSession().lock(object, lockMode);
   }

   public void lock(String entityName, Object object, LockMode lockMode)
   throws HibernateException
   {
      getHibernateSession().lock(entityName, object, lockMode);
   }

   public void refresh(Object object)
   throws HibernateException
   {
      getHibernateSession().refresh(object);
   }

   public void refresh(Object object, LockMode lockMode)
   throws HibernateException
   {
      getHibernateSession().refresh(object, lockMode);
   }

   public LockMode getCurrentLockMode(Object object)
   throws HibernateException
   {
      return getHibernateSession().getCurrentLockMode(object);
   }

   public Transaction beginTransaction()
   throws HibernateException
   {
      return getHibernateSession().beginTransaction();
   }

   public Criteria createCriteria(Class persistentClass)
   {
      return getHibernateSession().createCriteria(persistentClass);
   }

   public Criteria createCriteria(Class persistentClass, String alias)
   {
      return getHibernateSession().createCriteria(persistentClass, alias);
   }

   public Criteria createCriteria(String entityName)
   {
      return getHibernateSession().createCriteria(entityName);
   }

   public Criteria createCriteria(String entityName, String alias)
   {
      return getHibernateSession().createCriteria(entityName, alias);
   }

   public Query createQuery(String queryString)
   throws HibernateException
   {
      return getHibernateSession().createQuery(queryString);
   }

   public SQLQuery createSQLQuery(String queryString)
   throws HibernateException
   {
      return getHibernateSession().createSQLQuery(queryString);
   }

   public Query createFilter(Object collection, String queryString)
   throws HibernateException
   {
      return getHibernateSession().createFilter(collection, queryString);
   }

   public Query getNamedQuery(String queryName)
   throws HibernateException
   {
      return getHibernateSession().getNamedQuery(queryName);
   }

   public void clear()
   {
      getHibernateSession().clear();
   }

   public Object get(Class clazz, Serializable id)
   throws HibernateException
   {
      return getHibernateSession().get(clazz, id);
   }

   public Object get(Class clazz, Serializable id, LockMode lockMode)
   throws HibernateException
   {
      return getHibernateSession().get(clazz, id, lockMode);
   }

   public Object get(String entityName, Serializable id)
   throws HibernateException
   {
      return getHibernateSession().get(entityName, id);
   }

   public Object get(String entityName, Serializable id, LockMode lockMode)
   throws HibernateException
   {
      return getHibernateSession().get(entityName, id, lockMode);
   }

   public String getEntityName(Object object)
   throws HibernateException
   {
      return getHibernateSession().getEntityName(object);
   }

   public Filter enableFilter(String filterName)
   {
      return getHibernateSession().enableFilter(filterName);
   }

   public Filter getEnabledFilter(String filterName)
   {
      return getHibernateSession().getEnabledFilter(filterName);
   }

   public void disableFilter(String filterName)
   {
      getHibernateSession().disableFilter(filterName);
   }

   public SessionStatistics getStatistics()
   {
      return getHibernateSession().getStatistics();
   }

   public void setReadOnly(Object entity, boolean readOnly)
   {
      getHibernateSession().setReadOnly(entity, readOnly);
   }

   public Transaction getTransaction()
   {
      return getHibernateSession().getTransaction();
   }

}

