Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.java @ 4282:8b4988815974
Added marker for Ws and Qs in Historical Discharge WQ charts.
Therefore, the XYChartGenerator got two new methods addDomainMarker(Marker, boolean) and addValueMarker(Marker, boolean).
The boolean parameters determine, if the marker should be visible or not. This is analogous to addAxisSeries(XYSeries, int, boolean).
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 29 Oct 2012 05:59:27 +0100 |
parents | 8bc1e1cb7f7b |
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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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2 |
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3 import de.intevation.flys.artifacts.cache.CacheFactory; |
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4 |
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5 import de.intevation.flys.backend.SessionHolder; |
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6 |
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7 import net.sf.ehcache.Cache; |
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8 import net.sf.ehcache.Element; |
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9 |
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10 import org.apache.log4j.Logger; |
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11 |
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12 import org.hibernate.Session; |
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13 |
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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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17 |
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18 public static final String CACHE_NAME = "fixings-overviews"; |
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19 |
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20 private FixingsOverviewFactory() { |
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21 } |
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22 |
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24 public static FixingsOverview getOverview(String river) { |
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25 |
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26 boolean debug = log.isDebugEnabled(); |
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27 |
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28 if (debug) { |
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29 log.debug( |
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30 "Looking for fixings overview for river '" + river + "'"); |
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31 } |
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32 |
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33 Cache cache = CacheFactory.getCache(CACHE_NAME); |
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34 |
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35 if (cache == null) { |
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36 if (debug) { |
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37 log.debug("Cache not configured."); |
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38 } |
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39 return getUncached(river); |
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40 } |
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41 |
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42 String key = "fix-over-" + river; |
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43 |
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44 Element element = cache.get(key); |
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45 |
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46 if (element != null) { |
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47 if (debug) { |
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48 log.debug("Overview found in cache"); |
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49 } |
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50 return (FixingsOverview)element.getValue(); |
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51 } |
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52 |
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53 FixingsOverview overview = getUncached(river); |
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54 |
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55 if (overview != null) { |
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56 if (debug) { |
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57 log.debug("Store overview in cache."); |
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58 } |
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59 cache.put(new Element(key, overview)); |
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60 } |
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62 return overview; |
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63 } |
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64 |
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65 public static FixingsOverview getUncached(String river) { |
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66 FixingsOverview overview = new FixingsOverview(river); |
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67 |
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68 Session session = SessionHolder.HOLDER.get(); |
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69 |
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70 return overview.load(session) ? overview : null; |
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71 } |
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72 } |
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73 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |