Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/backend/SessionHolder.java @ 8835:d8d71005a210
ETL: use Java 7, include run-script and docs when packaging.
Changes to bin/run.sh might have been avoidable, but
at least its more in line with artifacts now.
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 17 May 2017 16:11:04 +0200 |
parents | 5c53b7de04d9 |
children | 0a5239a1e46e |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.backend; import org.apache.log4j.Logger; import org.hibernate.Session; import org.hibernate.SessionFactory; public class SessionHolder { private static Logger log = Logger.getLogger(SessionHolder.class); public static final ThreadLocal<Session> HOLDER = new ThreadLocal<Session>() { @Override protected Session initialValue() { Session session = create(); log.debug("Initial session value: " + session.hashCode()); return session; } }; protected SessionHolder() { } public synchronized static Session create() { log.debug("create"); SessionFactory sessionFactory = SessionFactoryProvider.getSessionFactory(); return sessionFactory.openSession(); } public static Session acquire() { Session session = create(); log.debug("acquired session: " + session.hashCode()); HOLDER.set(session); return session; } public static void release() { Session session = HOLDER.get(); if (session != null) { log.debug("releasing session: " + session.hashCode()); session.close(); } else { log.error("release() called on NULL session."); } HOLDER.remove(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :