Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/SQOverviewFactory.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/SQOverviewFactory.java@bd047b71ab37
children 4897a58c8746
rev   line source
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bd047b71ab37 Repaired internal references
Sascha L. Teichmann <teichmann@intevation.de>
parents: 3289
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1 package org.dive4elements.river.artifacts.model;
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2
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3 import org.dive4elements.river.artifacts.cache.CacheFactory;
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4
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5 import org.dive4elements.river.backend.SedDBSessionHolder;
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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 SQOverviewFactory {
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ec9aab93f292 SQ: First peek into fetching relevant data from SedDB
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16 private static Logger log = Logger.getLogger(SQOverviewFactory.class);
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17
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18 public static final String CACHE_NAME = "sq-overviews";
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19
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20 private SQOverviewFactory() {
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21 }
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22
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23
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24 public static SQOverview 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 sq 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 = "sq-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 (SQOverview)element.getValue();
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51 }
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52
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53 SQOverview 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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61
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62 return overview;
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63 }
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64
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65 public static SQOverview getUncached(String river) {
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66 SQOverview overview = new SQOverview(river);
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67
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68 Session session = SedDBSessionHolder.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 :
http://dive4elements.wald.intevation.org