/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.orm.hibernate3;
import org.hibernate.HibernateException;
import org.hibernate.classic.Session;
import org.hibernate.context.CurrentSessionContext;
import org.hibernate.engine.SessionFactoryImplementor;
/**
* Implementation of Hibernate 3.1's CurrentSessionContext interface
* that delegates to Spring's SessionFactoryUtils for providing a
* Spring-managed current Session.
*
* <p>Used by Spring's {@link LocalSessionFactoryBean} when told to expose a
* transaction-aware SessionFactory. This is the default as of Spring 2.5.
*
* <p>This CurrentSessionContext implementation can also be specified in custom
* SessionFactory setup through the "hibernate.current_session_context_class"
* property, with the fully qualified name of this class as value.
*
* @author Juergen Hoeller
* @since 2.0
* @see SessionFactoryUtils#doGetSession
* @see LocalSessionFactoryBean#setExposeTransactionAwareSessionFactory
*/
public class SpringSessionContext implements CurrentSessionContext {
private final SessionFactoryImplementor sessionFactory;
/**
* Create a new SpringSessionContext for the given Hibernate SessionFactory.
* @param sessionFactory the SessionFactory to provide current Sessions for
*/
public SpringSessionContext(SessionFactoryImplementor sessionFactory) {
this.sessionFactory = sessionFactory;
}
/**
* Retrieve the Spring-managed Session for the current thread, if any.
*/
public Session currentSession() throws HibernateException {
try {
return (org.hibernate.classic.Session) SessionFactoryUtils.doGetSession(this.sessionFactory, false);
}
catch (IllegalStateException ex) {
throw new HibernateException(ex.getMessage());
}
}
}
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