Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/context/SessionCallContextListener.java @ 7593:60a5fc522ec4
Rename the Global Facet filter to reduce ambiguity with the old facet filter
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Thu, 21 Nov 2013 15:37:43 +0100 |
parents | af13ceeba52a |
children | e4606eae8ea5 |
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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.artifacts.context; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.hibernate.Session; import org.dive4elements.river.backend.SessionHolder; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.CallContext.Listener; /** * This CallContextListener is used to initialize a ThreadLocal variable in * each CallContext (for each request) that holds Sessions. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class SessionCallContextListener implements Listener { public static final String SESSION_KEY = "context.session"; /** The logger that is used in this class.*/ private static Logger logger = Logger.getLogger(SessionCallContextListener.class); public SessionCallContextListener() { } public void setup(Document config, Node listenerConfig) { // nothing to do here } /** * Initializes a ThreadLocal variable that is used to hold sessions. * * @param context The CallContext. */ public void init(CallContext context) { logger.debug("SessionCallContextListener.init"); Session session = SessionHolder.acquire(); context.putContextValue(SESSION_KEY, session); } /** * Closes open sessions of the ThreadLocal variable opened in init(). * * @param context The CallContext. */ public void close(CallContext context) { logger.debug("SessionCallContextListener.close"); Session session = (Session)context.getContextValue(SESSION_KEY); session.close(); SessionHolder.release(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :