Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedloadOverviewFactory.java @ 8653:dbec49147f54

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(issue1755) Do not create interpolated themes and disable export of non interpolatable data. Due to the fact that data can contain NaN's which will be filtered out before creating the interpolator this requires the actual check for interpolatable data when data is set in the ResultValue
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 01 Apr 2015 17:10:03 +0200
parents af13ceeba52a
children 9530a00056dd
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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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
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9 package org.dive4elements.river.artifacts.model.minfo;
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10
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11 import net.sf.ehcache.Cache;
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12 import net.sf.ehcache.Element;
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13
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14 import org.apache.log4j.Logger;
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15 import org.hibernate.Session;
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16
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17 import org.dive4elements.river.artifacts.cache.CacheFactory;
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18 import org.dive4elements.river.backend.SedDBSessionHolder;
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19
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20 public class BedloadOverviewFactory {
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21
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22 private static Logger log = Logger.getLogger(BedloadOverviewFactory.class);
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23
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24 public static final String CACHE_NAME = "sq-overviews";
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25
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26 private BedloadOverviewFactory() {
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27 }
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28
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29
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30 public static BedloadOverview getOverview(String river) {
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31
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32 boolean debug = log.isDebugEnabled();
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33
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34 if (debug) {
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35 log.debug(
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36 "Looking for bedload overview for river '" + river + "'");
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37 }
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38
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39 Cache cache = CacheFactory.getCache(CACHE_NAME);
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40
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41 if (cache == null) {
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42 if (debug) {
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43 log.debug("Cache not configured.");
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44 }
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45 return getUncached(river);
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46 }
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47
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48 String key = "bedload-over-" + river;
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49
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50 Element element = cache.get(key);
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51
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52 if (element != null) {
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53 if (debug) {
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54 log.debug("Overview found in cache");
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55 }
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56 return (BedloadOverview)element.getValue();
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57 }
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58
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59 BedloadOverview overview = getUncached(river);
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60
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61 if (overview != null) {
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62 if (debug) {
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63 log.debug("Store overview in cache.");
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64 }
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65 cache.put(new Element(key, overview));
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66 }
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67
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68 return overview;
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69 }
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70
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71 public static BedloadOverview getUncached(String river) {
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72 BedloadOverview overview = new BedloadOverview(river);
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73
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74 Session session = SedDBSessionHolder.HOLDER.get();
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75
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76 return overview.load(session) ? overview : null;
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77 }
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78 }
http://dive4elements.wald.intevation.org