Mercurial > dive4elements > river
comparison 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> |
|---|---|
| date | Thu, 22 Sep 2011 10:07:22 +0000 |
| parents | |
| children | a5f327849b85 |
comparison
equal
deleted
inserted
replaced
| 1630:cafd8af6734a | 1631:26e19cdaed5e |
|---|---|
| 1 package de.intevation.flys.artifacts.services; | |
| 2 | |
| 3 import org.w3c.dom.Document; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 | |
| 7 import org.hibernate.Session; | |
| 8 | |
| 9 import de.intevation.artifacts.CallMeta; | |
| 10 import de.intevation.artifacts.GlobalContext; | |
| 11 | |
| 12 import de.intevation.artifactdatabase.DefaultService; | |
| 13 | |
| 14 import de.intevation.flys.backend.SessionHolder; | |
| 15 | |
| 16 | |
| 17 public abstract class FLYSService extends DefaultService { | |
| 18 | |
| 19 private static final Logger logger = Logger.getLogger(FLYSService.class); | |
| 20 | |
| 21 | |
| 22 public Document process( | |
| 23 Document data, | |
| 24 GlobalContext globalContext, | |
| 25 CallMeta callMeta | |
| 26 ) { | |
| 27 init(); | |
| 28 | |
| 29 try { | |
| 30 return doProcess(data, globalContext, callMeta); | |
| 31 } | |
| 32 finally { | |
| 33 shutdown(); | |
| 34 } | |
| 35 } | |
| 36 | |
| 37 | |
| 38 protected abstract Document doProcess( | |
| 39 Document data, | |
| 40 GlobalContext globalContext, | |
| 41 CallMeta callMeta); | |
| 42 | |
| 43 | |
| 44 protected void init() { | |
| 45 logger.debug("init"); | |
| 46 SessionHolder.acquire(); | |
| 47 } | |
| 48 | |
| 49 | |
| 50 protected void shutdown() { | |
| 51 logger.debug("shutdown"); | |
| 52 Session session = SessionHolder.HOLDER.get(); | |
| 53 session.close(); | |
| 54 | |
| 55 SessionHolder.release(); | |
| 56 } | |
| 57 } | |
| 58 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |