Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/services/D4EService.java @ 8566:fe7e9da6312a
(issue1797) Move close into session release and guard it.
To avoid leaking open and Held sessions we centrally close
the session in the SessionHolder on release.
This also removes some duplicated code in SedDBSessionHolder
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Tue, 24 Feb 2015 17:16:14 +0100 |
parents | e4606eae8ea5 |
children | 717b58b158c9 |
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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.services; import org.w3c.dom.Document; import org.apache.log4j.Logger; import org.hibernate.Session; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.GlobalContext; import org.dive4elements.artifactdatabase.XMLService; import org.dive4elements.river.backend.SessionHolder; public abstract class D4EService extends XMLService { private static final Logger log = Logger.getLogger(D4EService.class); @Override public Document processXML( Document data, GlobalContext globalContext, CallMeta callMeta ) { init(); try { return doProcess(data, globalContext, callMeta); } finally { shutdown(); } } /** Override to do the meat work (called in processXML). */ protected abstract Document doProcess( Document data, GlobalContext globalContext, CallMeta callMeta); protected void init() { log.debug("init"); SessionHolder.acquire(); } /** Called when processing done, close session. */ protected void shutdown() { log.debug("shutdown"); SessionHolder.release(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :