Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/backend/SedDBSessionHolder.java @ 4241:49cb65d5932d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents 76c75c8b9ee0
children
rev   line source
3333
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.backend;
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import org.apache.log4j.Logger;
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 import org.hibernate.Session;
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import org.hibernate.SessionFactory;
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 public class SedDBSessionHolder
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 private static Logger log =
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 Logger.getLogger(SedDBSessionHolder.class);
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 public static final ThreadLocal<Session> HOLDER =
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 new ThreadLocal<Session>() {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 @Override
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 protected Session initialValue() {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 return create();
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 }
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 };
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 private SedDBSessionHolder() {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 }
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 public synchronized static Session create() {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 log.debug("create");
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 SessionFactory sessionFactory =
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 SessionFactoryProvider.getSedDBSessionFactory();
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 return sessionFactory.openSession();
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 }
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 public static Session acquire() {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 log.debug("acquire");
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 Session session = create();
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 HOLDER.set(session);
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 return session;
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 }
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 public static void release() {
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 log.debug("release");
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 HOLDER.remove();
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 }
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 }
76c75c8b9ee0 SedDB: Make access to SedDB configurable over conf.xml and provide access to sessions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org