Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/org/dive4elements/river/artifacts/context/SessionCallContextListener.java @ 5831:bd047b71ab37
Repaired internal references
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:06:39 +0200 |
| parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/context/SessionCallContextListener.java@94c176fdcb89 |
| children |
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| 5830:160f53ee0870 | 5831:bd047b71ab37 |
|---|---|
| 1 package org.dive4elements.river.artifacts.context; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 | |
| 5 import org.w3c.dom.Document; | |
| 6 import org.w3c.dom.Node; | |
| 7 | |
| 8 import org.hibernate.Session; | |
| 9 | |
| 10 import org.dive4elements.river.backend.SessionHolder; | |
| 11 | |
| 12 import org.dive4elements.artifacts.CallContext; | |
| 13 import org.dive4elements.artifacts.CallContext.Listener; | |
| 14 | |
| 15 | |
| 16 /** | |
| 17 * This CallContextListener is used to initialize a ThreadLocal variable in | |
| 18 * each CallContext (for each request) that holds Sessions. | |
| 19 * | |
| 20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 21 */ | |
| 22 public class SessionCallContextListener implements Listener { | |
| 23 | |
| 24 public static final String SESSION_KEY = "context.session"; | |
| 25 | |
| 26 /** The logger that is used in this class.*/ | |
| 27 private static Logger logger = | |
| 28 Logger.getLogger(SessionCallContextListener.class); | |
| 29 | |
| 30 | |
| 31 public SessionCallContextListener() { | |
| 32 } | |
| 33 | |
| 34 | |
| 35 public void setup(Document config, Node listenerConfig) { | |
| 36 // nothing to do here | |
| 37 } | |
| 38 | |
| 39 | |
| 40 /** | |
| 41 * Initializes a ThreadLocal variable that is used to hold sessions. | |
| 42 * | |
| 43 * @param context The CallContext. | |
| 44 */ | |
| 45 public void init(CallContext context) { | |
| 46 logger.debug("SessionCallContextListener.init"); | |
| 47 | |
| 48 Session session = SessionHolder.acquire(); | |
| 49 | |
| 50 context.putContextValue(SESSION_KEY, session); | |
| 51 } | |
| 52 | |
| 53 | |
| 54 /** | |
| 55 * Closes open sessions of the ThreadLocal variable opened in init(). | |
| 56 * | |
| 57 * @param context The CallContext. | |
| 58 */ | |
| 59 public void close(CallContext context) { | |
| 60 logger.debug("SessionCallContextListener.close"); | |
| 61 | |
| 62 Session session = (Session)context.getContextValue(SESSION_KEY); | |
| 63 session.close(); | |
| 64 | |
| 65 SessionHolder.release(); | |
| 66 } | |
| 67 } | |
| 68 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |