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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/context/SessionCallContextListener.java @ 704:eab5e5089d77

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Merged revisions 2127-2133,2136-2137,2140,2143-2144,2146,2150-2151,2153-2154 via svnmerge from svn+ssh://teichmann@thoe/home/projects/Geospatial/bsh-generischer-viewer/Material/SVN/flys-artifacts/branches/facets-slt ........ r2127 | ingo | 2011-06-16 09:50:56 +0200 (Do, 16 Jun 2011) | 1 line Added a compute() method to WINFOArtifact which acts as a dispatcher for different computations. It triggers a calculation based on ComputeCallbacks that are generated by the current states. ........ r2128 | ingo | 2011-06-16 10:25:06 +0200 (Do, 16 Jun 2011) | 1 line Moved Waterlevel state into the correct package. ........ r2129 | ingo | 2011-06-16 10:43:58 +0200 (Do, 16 Jun 2011) | 1 line Added two more compute() methods to ComputeCallback to distinguish between different phases of the artifact. ........ r2130 | ingo | 2011-06-16 10:57:05 +0200 (Do, 16 Jun 2011) | 1 line Use enums to dispatch computeFeed() and computeAdvance(). ........ r2131 | ingo | 2011-06-16 11:04:59 +0200 (Do, 16 Jun 2011) | 1 line Store facets for each state. ........ r2132 | ingo | 2011-06-16 12:05:44 +0200 (Do, 16 Jun 2011) | 1 line Generated facets for each output aspect. ........ r2133 | ingo | 2011-06-16 15:24:00 +0200 (Do, 16 Jun 2011) | 1 line Write computed facets into artifacts describe document. ........ r2136 | ingo | 2011-06-16 16:10:49 +0200 (Do, 16 Jun 2011) | 1 line Add index and description of facets to collections describe document. ........ r2137 | ingo | 2011-06-16 16:31:41 +0200 (Do, 16 Jun 2011) | 1 line OutGenerators doOut() takes a facet object now instead of just its name. ........ r2140 | ingo | 2011-06-17 11:19:43 +0200 (Fr, 17 Jun 2011) | 1 line OutGenerators use now facets to fetch necessary data. ........ r2143 | teichmann | 2011-06-17 12:40:54 +0200 (Fr, 17 Jun 2011) | 1 line Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again. ........ r2144 | teichmann | 2011-06-17 13:08:31 +0200 (Fr, 17 Jun 2011) | 1 line make getGauges() more robust ........ r2146 | teichmann | 2011-06-17 13:23:57 +0200 (Fr, 17 Jun 2011) | 1 line mico opt: inter cmps are faster than str cmps. ........ r2150 | teichmann | 2011-06-17 15:10:20 +0200 (Fr, 17 Jun 2011) | 1 line call computeAdvance() if we want to advance. ........ r2151 | teichmann | 2011-06-17 15:45:50 +0200 (Fr, 17 Jun 2011) | 1 line Base WST/CSV exports on facets. TODO: generate the facets. ........ r2153 | teichmann | 2011-06-17 16:03:29 +0200 (Fr, 17 Jun 2011) | 1 line Add facet to access raw computed data. ........ r2154 | teichmann | 2011-06-17 16:37:09 +0200 (Fr, 17 Jun 2011) | 1 line Generate data facets for the computed states. ........ flys-artifacts/trunk@2156 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 17 Jun 2011 16:17:03 +0000
parents 94c176fdcb89
children
rev   line source
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84f8462790cb Added an Implementation of CallContext.Listener to open/close Hibernate Sessions for each request.
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1 package de.intevation.flys.artifacts.context;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.w3c.dom.Document;
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6 import org.w3c.dom.Node;
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7
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8 import org.hibernate.Session;
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9
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10 import de.intevation.flys.backend.SessionHolder;
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12 import de.intevation.artifacts.CallContext;
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13 import de.intevation.artifacts.CallContext.Listener;
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14
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15
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16 /**
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17 * This CallContextListener is used to initialize a ThreadLocal variable in
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18 * each CallContext (for each request) that holds Sessions.
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19 *
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20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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21 */
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22 public class SessionCallContextListener implements Listener {
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23
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24 public static final String SESSION_KEY = "context.session";
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26 /** The logger that is used in this class.*/
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27 private static Logger logger =
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28 Logger.getLogger(SessionCallContextListener.class);
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31 public SessionCallContextListener() {
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32 }
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34
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35 public void setup(Document config, Node listenerConfig) {
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36 // nothing to do here
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37 }
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38
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39
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40 /**
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41 * Initializes a ThreadLocal variable that is used to hold sessions.
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42 *
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43 * @param context The CallContext.
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44 */
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45 public void init(CallContext context) {
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46 logger.debug("SessionCallContextListener.init");
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48 Session session = SessionHolder.acquire();
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50 context.putContextValue(SESSION_KEY, session);
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51 }
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54 /**
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55 * Closes open sessions of the ThreadLocal variable opened in init().
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56 *
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57 * @param context The CallContext.
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58 */
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59 public void close(CallContext context) {
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60 logger.debug("SessionCallContextListener.close");
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62 Session session = (Session)context.getContextValue(SESSION_KEY);
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63 session.close();
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65 SessionHolder.release();
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66 }
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67 }
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68 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org