Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/BedloadOverviewFactory.java @ 4255:670e98f5a441

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Fixed leak while merging facets. The ThemeList that is used by OutputHelper to sort the Facets for an Output now uses a list to store the ManagedFacets. The correct order is made up by sorting the List using Collections.sort() function of the Java JDK. Therfore, the ManagedFacet class implements the Comparable interface. The return value of its compareTo(other) method depends on the value of the 'position' field.
author Ingo Weinzierl <weinzierl.ingo@googlemail.com>
date Thu, 25 Oct 2012 14:01:46 +0200
parents ae598cf50682
children
rev   line source
3751
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
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1 package de.intevation.flys.artifacts.model.minfo;
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
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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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9 import de.intevation.flys.artifacts.cache.CacheFactory;
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10 import de.intevation.flys.backend.SedDBSessionHolder;
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11
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Raimund Renkert <raimund.renkert@intevation.de>
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12 public class BedloadOverviewFactory {
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13
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14 private static Logger log = Logger.getLogger(BedloadOverviewFactory.class);
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15
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16 public static final String CACHE_NAME = "sq-overviews";
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17
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18 private BedloadOverviewFactory() {
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19 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
Raimund Renkert <raimund.renkert@intevation.de>
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20
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Raimund Renkert <raimund.renkert@intevation.de>
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21
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Raimund Renkert <raimund.renkert@intevation.de>
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22 public static BedloadOverview getOverview(String river) {
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23
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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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30
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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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39
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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 }
ae598cf50682 Added new services to render overview charts in minfo bed quality calculation
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48 return (BedloadOverview)element.getValue();
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49 }
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50
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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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59
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60 return overview;
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61 }
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62
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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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65
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66 Session session = SedDBSessionHolder.HOLDER.get();
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67
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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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