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Spring Object/Relational Mapping

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/*
 * Copyright 2002-2012 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.hibernate4;

import org.hibernate.FlushMode;
import org.hibernate.Session;
import org.hibernate.Transaction;

import org.springframework.transaction.support.ResourceHolderSupport;
import org.springframework.util.Assert;

/**
 * Session holder, wrapping a Hibernate Session and a Hibernate Transaction.
 * HibernateTransactionManager binds instances of this class to the thread,
 * for a given SessionFactory.
 *
 * Note: This is an SPI class, not intended to be used by applications.
 *
 * @author Juergen Hoeller
 * @since 3.1
 * @see HibernateTransactionManager
 * @see SessionFactoryUtils
 */
public class SessionHolder extends ResourceHolderSupport {

	private Session session;

	private Transaction transaction;

	private FlushMode previousFlushMode;


	public SessionHolder(Session session) {
		Assert.notNull(session, "Session must not be null");
		this.session = session;
	}

	public Session getSession() {
		return this.session;
	}

	public void setTransaction(Transaction transaction) {
		this.transaction = transaction;
	}

	public Transaction getTransaction() {
		return this.transaction;
	}

	public void setPreviousFlushMode(FlushMode previousFlushMode) {
		this.previousFlushMode = previousFlushMode;
	}

	public FlushMode getPreviousFlushMode() {
		return this.previousFlushMode;
	}


	@Override
	public void clear() {
		super.clear();
		this.transaction = null;
		this.previousFlushMode = null;
	}

}