Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/SessionHolder.java @ 308:084995dd1c9c
Added a session holder to hold hibernate sessions.
flys-artifacts/trunk@1689 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Thu, 14 Apr 2011 12:08:47 +0000 |
| parents | |
| children | e91873b8b937 |
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| 307:84f8462790cb | 308:084995dd1c9c |
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| 1 package de.intevation.flys.artifacts.model; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 | |
| 5 import org.hibernate.Session; | |
| 6 import org.hibernate.SessionFactory; | |
| 7 | |
| 8 import de.intevation.flys.backend.SessionFactoryProvider; | |
| 9 | |
| 10 public class SessionHolder | |
| 11 { | |
| 12 private static Logger logger = | |
| 13 Logger.getLogger(SessionHolder.class); | |
| 14 | |
| 15 public static final ThreadLocal<Session> HOLDER = | |
| 16 new ThreadLocal<Session>() { | |
| 17 protected Session initialValue() { | |
| 18 return create(); | |
| 19 } | |
| 20 }; | |
| 21 | |
| 22 private SessionHolder() { | |
| 23 } | |
| 24 | |
| 25 public synchronized static Session create() { | |
| 26 logger.debug("create"); | |
| 27 SessionFactory sessionFactory = | |
| 28 SessionFactoryProvider.createSessionFactory(); | |
| 29 return sessionFactory.openSession(); | |
| 30 } | |
| 31 | |
| 32 public static Session acquire() { | |
| 33 logger.debug("acquire"); | |
| 34 Session session = create(); | |
| 35 HOLDER.set(session); | |
| 36 return session; | |
| 37 } | |
| 38 | |
| 39 public static void release() { | |
| 40 logger.debug("release"); | |
| 41 HOLDER.remove(); | |
| 42 } | |
| 43 } | |
| 44 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |