Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.java @ 4187:21f4e4b79121

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Refactor GaugeDischargeCurveFacet to be able to set a facet name For adding another output of the GaugeDischargeCurveArtifact it is necessary to provide to facet instances with different names. Therefore the GaugeDischargeCurveFacet is extended to set the facet name in the constructor.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 19 Oct 2012 13:25:49 +0200
parents 8bc1e1cb7f7b
children
rev   line source
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1 package de.intevation.flys.artifacts.model;
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3 import de.intevation.flys.artifacts.cache.CacheFactory;
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5 import de.intevation.flys.backend.SessionHolder;
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7 import net.sf.ehcache.Cache;
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8 import net.sf.ehcache.Element;
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10 import org.apache.log4j.Logger;
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12 import org.hibernate.Session;
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14 public class FixingsOverviewFactory
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15 {
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16 private static Logger log = Logger.getLogger(FixingsOverviewFactory.class);
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18 public static final String CACHE_NAME = "fixings-overviews";
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20 private FixingsOverviewFactory() {
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21 }
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24 public static FixingsOverview getOverview(String river) {
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26 boolean debug = log.isDebugEnabled();
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27
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28 if (debug) {
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29 log.debug(
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30 "Looking for fixings overview for river '" + river + "'");
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31 }
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33 Cache cache = CacheFactory.getCache(CACHE_NAME);
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35 if (cache == null) {
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36 if (debug) {
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37 log.debug("Cache not configured.");
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38 }
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39 return getUncached(river);
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40 }
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42 String key = "fix-over-" + river;
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44 Element element = cache.get(key);
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46 if (element != null) {
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47 if (debug) {
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48 log.debug("Overview found in cache");
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49 }
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50 return (FixingsOverview)element.getValue();
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51 }
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53 FixingsOverview overview = getUncached(river);
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55 if (overview != null) {
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56 if (debug) {
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57 log.debug("Store overview in cache.");
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58 }
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59 cache.put(new Element(key, overview));
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60 }
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62 return overview;
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63 }
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65 public static FixingsOverview getUncached(String river) {
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66 FixingsOverview overview = new FixingsOverview(river);
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68 Session session = SessionHolder.HOLDER.get();
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70 return overview.load(session) ? overview : null;
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71 }
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72 }
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73 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org