Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/BedOverviewFactory.java @ 4255:670e98f5a441
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> |
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date | Thu, 25 Oct 2012 14:01:46 +0200 |
parents | ae598cf50682 |
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rev | line source |
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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
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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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12 public class BedOverviewFactory { |
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13 |
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14 private static Logger log = Logger.getLogger(BedOverviewFactory.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 BedOverviewFactory() { |
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19 } |
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20 |
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21 |
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22 public static BedOverview 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 bed 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 = "bed-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) { |
ae598cf50682
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
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45 if (debug) { |
ae598cf50682
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46 log.debug("Overview found in cache"); |
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47 } |
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48 return (BedOverview)element.getValue(); |
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49 } |
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50 |
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51 BedOverview overview = getUncached(river); |
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52 |
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53 if (overview != null) { |
ae598cf50682
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
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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 BedOverview getUncached(String river) { |
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64 BedOverview overview = new BedOverview(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 } |