Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/context/SessionCallContextListener.java @ 9801:1d7a72a50183 3.2.x tip
Assume Compose V2, consistently
author | Tom Gottfried <tom@intevation.de> |
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date | Thu, 23 Nov 2023 10:14:13 +0100 |
parents | 0a5239a1e46e |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.artifacts.context; |
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10 |
9726 | 11 import org.apache.logging.log4j.Logger; |
12 import org.apache.logging.log4j.LogManager; | |
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13 |
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14 import org.w3c.dom.Document; |
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15 import org.w3c.dom.Node; |
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16 |
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17 import org.hibernate.Session; |
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18 |
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19 import org.dive4elements.river.backend.SessionHolder; |
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20 |
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21 import org.dive4elements.artifacts.CallContext; |
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22 import org.dive4elements.artifacts.CallContext.Listener; |
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23 |
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24 |
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25 /** |
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26 * This CallContextListener is used to initialize a ThreadLocal variable in |
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27 * each CallContext (for each request) that holds Sessions. |
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28 * |
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29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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30 */ |
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31 public class SessionCallContextListener implements Listener { |
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32 |
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33 public static final String SESSION_KEY = "context.session"; |
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34 |
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35 /** The log that is used in this class.*/ |
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36 private static Logger log = |
9726 | 37 LogManager.getLogger(SessionCallContextListener.class); |
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38 |
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39 |
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40 public SessionCallContextListener() { |
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41 } |
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42 |
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43 |
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44 public void setup(Document config, Node listenerConfig) { |
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45 // nothing to do here |
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46 } |
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47 |
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48 |
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49 /** |
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50 * Initializes a ThreadLocal variable that is used to hold sessions. |
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51 * |
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52 * @param context The CallContext. |
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53 */ |
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54 public void init(CallContext context) { |
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55 log.debug("SessionCallContextListener.init"); |
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56 |
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57 Session session = SessionHolder.acquire(); |
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58 |
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59 context.putContextValue(SESSION_KEY, session); |
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60 } |
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61 |
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62 |
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63 /** |
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64 * Closes open sessions of the ThreadLocal variable opened in init(). |
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65 * |
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66 * @param context The CallContext. |
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67 */ |
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68 public void close(CallContext context) { |
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69 log.debug("SessionCallContextListener.close"); |
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70 |
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71 SessionHolder.release(); |
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72 } |
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73 } |
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74 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |