Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixingsOverviewFactory.java @ 9415:9744ce3c3853

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Rework of fixanalysis computation and dWt and WQ facets. Got rid of strange remapping and bitshifting code by explicitely saving the column information and using it in the facets. The facets also put the valid station range into their xml-metadata
author gernotbelger
date Thu, 16 Aug 2018 16:27:53 +0200
parents artifacts/src/main/java/org/dive4elements/river/artifacts/model/FixingsOverviewFactory.java@af13ceeba52a
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
9415
9744ce3c3853 Rework of fixanalysis computation and dWt and WQ facets. Got rid of strange remapping and bitshifting code by explicitely saving the column information and using it in the facets.
gernotbelger
parents: 5994
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9 package org.dive4elements.river.artifacts.model.fixings;
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10
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11 import org.dive4elements.river.artifacts.cache.CacheFactory;
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12
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13 import org.dive4elements.river.backend.SessionHolder;
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14
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15 import net.sf.ehcache.Cache;
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16 import net.sf.ehcache.Element;
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17
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18 import org.apache.log4j.Logger;
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19
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20 import org.hibernate.Session;
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21
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22 public class FixingsOverviewFactory
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23 {
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24 private static Logger log = Logger.getLogger(FixingsOverviewFactory.class);
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25
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26 public static final String CACHE_NAME = "fixings-overviews";
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27
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28 private FixingsOverviewFactory() {
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29 }
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32 public static FixingsOverview getOverview(String river) {
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33
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34 boolean debug = log.isDebugEnabled();
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35
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36 if (debug) {
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37 log.debug(
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38 "Looking for fixings overview for river '" + river + "'");
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39 }
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41 Cache cache = CacheFactory.getCache(CACHE_NAME);
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42
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43 if (cache == null) {
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44 if (debug) {
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45 log.debug("Cache not configured.");
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46 }
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47 return getUncached(river);
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48 }
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49
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50 String key = "fix-over-" + river;
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52 Element element = cache.get(key);
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53
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54 if (element != null) {
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55 if (debug) {
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56 log.debug("Overview found in cache");
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57 }
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58 return (FixingsOverview)element.getValue();
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59 }
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61 FixingsOverview overview = getUncached(river);
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62
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63 if (overview != null) {
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64 if (debug) {
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65 log.debug("Store overview in cache.");
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66 }
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67 cache.put(new Element(key, overview));
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68 }
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70 return overview;
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71 }
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73 public static FixingsOverview getUncached(String river) {
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74 FixingsOverview overview = new FixingsOverview(river);
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75
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76 Session session = SessionHolder.HOLDER.get();
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77
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78 return overview.load(session) ? overview : null;
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79 }
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80 }
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org