com.liferay.portal.spring.hibernate.LastSessionRecorderUtil.java Source code

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Here is the source code for com.liferay.portal.spring.hibernate.LastSessionRecorderUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library 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 library 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.
 */

package com.liferay.portal.spring.hibernate;

import com.liferay.petra.lang.CentralizedThreadLocal;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.transaction.NewTransactionLifecycleListener;
import com.liferay.portal.kernel.transaction.TransactionAttribute;
import com.liferay.portal.kernel.transaction.TransactionLifecycleListener;
import com.liferay.portal.kernel.transaction.TransactionStatus;

import org.hibernate.Session;

/**
 * @author Shuyang Zhou
 */
public class LastSessionRecorderUtil {

    public static final TransactionLifecycleListener TRANSACTION_LIFECYCLE_LISTENER = new NewTransactionLifecycleListener() {

        @Override
        protected void doCreated(TransactionAttribute transactionAttribute, TransactionStatus transactionStatus) {

            syncLastSessionState();
        }

    };

    public static void syncLastSessionState() {
        Session session = _lastSessionThreadLocal.get();

        if ((session != null) && session.isOpen()) {
            try {
                session.flush();

                session.clear();
            } catch (Exception e) {
                throw new SystemException(e);
            }
        }
    }

    protected static void setLastSession(Session session) {
        _lastSessionThreadLocal.set(session);
    }

    private static final ThreadLocal<Session> _lastSessionThreadLocal = new CentralizedThreadLocal<>(
            LastSessionRecorderUtil.class.getName() + "._lastSessionThreadLocal");

}