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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.java @ 2561:b3f6d49cdc80

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Service to generate the data needed to build the "Fixerungen pro Fluss Uebersicht" flys-artifacts/trunk@4087 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 19 Feb 2012 17:14:39 +0000
parents
children 8bc1e1cb7f7b
rev   line source
2561
b3f6d49cdc80 Service to generate the data needed to build the "Fixerungen pro Fluss Uebersicht"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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 log.debug("Looking for fixings overview for river '" + river + "'");
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28 Cache cache = CacheFactory.getCache(CACHE_NAME);
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30 if (cache == null) {
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31 return getUncached(river);
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32 }
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34 String key = "fix-over-" + river;
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36 Element element = cache.get(key);
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38 if (element != null) {
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39 return (FixingsOverview)element.getValue();
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40 }
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42 FixingsOverview overview = getUncached(river);
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44 if (overview != null) {
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45 element = new Element(key, overview);
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46 cache.put(element);
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47 }
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49 return overview;
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50 }
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52 public static FixingsOverview getUncached(String river) {
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53 FixingsOverview overview = new FixingsOverview(river);
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55 Session session = SessionHolder.HOLDER.get();
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57 return overview.load(session) ? overview : null;
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58 }
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59 }
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60 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org