Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/BedloadOverviewFactory.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | ae598cf50682 |
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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; |
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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 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 } |
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20 |
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21 |
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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; |
ae598cf50682
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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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Raimund Renkert <raimund.renkert@intevation.de>
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46 log.debug("Overview found in cache"); |
ae598cf50682
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47 } |
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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) { |
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 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 } |