Spring Framework example source code file (SpringSessionContext.java)

This example Spring Framework source code file (SpringSessionContext.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

currentsessioncontext, hibernateexception, hibernateexception, illegalstateexception, session, session, sessionfactoryimplementor, sessionfactoryimplementor, springsessioncontext, springsessioncontext

The Spring Framework SpringSessionContext.java source code

/*
 * Copyright 2002-2007 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.
 *
 * <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());
		}
	}

}