Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FLYSService.java @ 1631:26e19cdaed5e
Improved database session handling in services and artifacts.
flys-artifacts/trunk@2807 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 22 Sep 2011 10:07:22 +0000 |
parents | |
children | a5f327849b85 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FLYSService.java Thu Sep 22 10:07:22 2011 +0000 @@ -0,0 +1,58 @@ +package de.intevation.flys.artifacts.services; + +import org.w3c.dom.Document; + +import org.apache.log4j.Logger; + +import org.hibernate.Session; + +import de.intevation.artifacts.CallMeta; +import de.intevation.artifacts.GlobalContext; + +import de.intevation.artifactdatabase.DefaultService; + +import de.intevation.flys.backend.SessionHolder; + + +public abstract class FLYSService extends DefaultService { + + private static final Logger logger = Logger.getLogger(FLYSService.class); + + + public Document process( + Document data, + GlobalContext globalContext, + CallMeta callMeta + ) { + init(); + + try { + return doProcess(data, globalContext, callMeta); + } + finally { + shutdown(); + } + } + + + protected abstract Document doProcess( + Document data, + GlobalContext globalContext, + CallMeta callMeta); + + + protected void init() { + logger.debug("init"); + SessionHolder.acquire(); + } + + + protected void shutdown() { + logger.debug("shutdown"); + Session session = SessionHolder.HOLDER.get(); + session.close(); + + SessionHolder.release(); + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :