Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/backend/SessionHolder.java @ 5844:4dd33b86dc61

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Added header to river backend.
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 26 Apr 2013 08:25:41 +0200
parents 5aa05a7a34b7
children 4c3ccf2b0304
rev   line source
5844
4dd33b86dc61 Added header to river backend.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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.backend;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import org.hibernate.Session;
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14 import org.hibernate.SessionFactory;
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15
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16
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17 public class SessionHolder
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18 {
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19 private static Logger log =
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20 Logger.getLogger(SessionHolder.class);
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21
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22 public static final ThreadLocal<Session> HOLDER =
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23 new ThreadLocal<Session>() {
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24 @Override
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25 protected Session initialValue() {
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26 return create();
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27 }
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28 };
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29
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30 private SessionHolder() {
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31 }
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32
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33 public synchronized static Session create() {
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34 log.debug("create");
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35 SessionFactory sessionFactory =
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36 SessionFactoryProvider.getSessionFactory();
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37 return sessionFactory.openSession();
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38 }
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39
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40 public static Session acquire() {
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41 log.debug("acquire");
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42 Session session = create();
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43 HOLDER.set(session);
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44 return session;
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45 }
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46
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47 public static void release() {
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48 log.debug("release");
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49 HOLDER.remove();
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50 }
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51 }
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52 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org