Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FLYSService.java @ 3318:dbe2f85bf160

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merged flys-artifacts/2.8
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:35 +0200
parents 247f3e98a14b
children
rev   line source
1631
26e19cdaed5e Improved database session handling in services and artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.artifacts.services;
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2
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3 import org.w3c.dom.Document;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import org.hibernate.Session;
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8
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9 import de.intevation.artifacts.CallMeta;
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10 import de.intevation.artifacts.GlobalContext;
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11
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247f3e98a14b Abjusted services to new hierachy.
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12 import de.intevation.artifactdatabase.XMLService;
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13
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14 import de.intevation.flys.backend.SessionHolder;
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15
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16
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17 public abstract class FLYSService extends XMLService {
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18
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19 private static final Logger logger = Logger.getLogger(FLYSService.class);
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20
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21
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a5f327849b85 Added a service to invalidate caches by their names. Useful tp prevent cache inconsistencies caused by external ETL processes.
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22 @Override
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23 public Document processXML(
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24 Document data,
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25 GlobalContext globalContext,
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26 CallMeta callMeta
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27 ) {
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28 init();
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29
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30 try {
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31 return doProcess(data, globalContext, callMeta);
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32 }
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33 finally {
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34 shutdown();
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35 }
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36 }
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37
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38
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39 protected abstract Document doProcess(
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40 Document data,
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41 GlobalContext globalContext,
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42 CallMeta callMeta);
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43
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44
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45 protected void init() {
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46 logger.debug("init");
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47 SessionHolder.acquire();
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48 }
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49
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50
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51 protected void shutdown() {
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52 logger.debug("shutdown");
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53 Session session = SessionHolder.HOLDER.get();
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54 session.close();
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55
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56 SessionHolder.release();
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57 }
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58 }
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59 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org