Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedloadOverviewFactory.java @ 5831:bd047b71ab37

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Repaired internal references
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 12:06:39 +0200
parents flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/BedloadOverviewFactory.java@ae598cf50682
children
rev   line source
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bd047b71ab37 Repaired internal references
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3751
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1 package org.dive4elements.river.artifacts.model.minfo;
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2
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3 import net.sf.ehcache.Cache;
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4 import net.sf.ehcache.Element;
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5
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6 import org.apache.log4j.Logger;
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7 import org.hibernate.Session;
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8
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 3751
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9 import org.dive4elements.river.artifacts.cache.CacheFactory;
bd047b71ab37 Repaired internal references
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parents: 3751
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10 import org.dive4elements.river.backend.SedDBSessionHolder;
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11
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12 public class BedloadOverviewFactory {
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14 private static Logger log = Logger.getLogger(BedloadOverviewFactory.class);
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16 public static final String CACHE_NAME = "sq-overviews";
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18 private BedloadOverviewFactory() {
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19 }
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22 public static BedloadOverview getOverview(String river) {
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24 boolean debug = log.isDebugEnabled();
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25
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26 if (debug) {
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27 log.debug(
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28 "Looking for bedload overview for river '" + river + "'");
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29 }
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31 Cache cache = CacheFactory.getCache(CACHE_NAME);
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32
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33 if (cache == null) {
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34 if (debug) {
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35 log.debug("Cache not configured.");
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36 }
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37 return getUncached(river);
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38 }
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40 String key = "bedload-over-" + river;
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41
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42 Element element = cache.get(key);
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43
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44 if (element != null) {
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45 if (debug) {
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46 log.debug("Overview found in cache");
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47 }
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48 return (BedloadOverview)element.getValue();
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49 }
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51 BedloadOverview overview = getUncached(river);
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52
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53 if (overview != null) {
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54 if (debug) {
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55 log.debug("Store overview in cache.");
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56 }
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57 cache.put(new Element(key, overview));
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58 }
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60 return overview;
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61 }
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63 public static BedloadOverview getUncached(String river) {
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64 BedloadOverview overview = new BedloadOverview(river);
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66 Session session = SedDBSessionHolder.HOLDER.get();
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68 return overview.load(session) ? overview : null;
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69 }
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70 }
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