Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.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 8bc1e1cb7f7b
children
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1 package de.intevation.flys.artifacts.model;
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3 import de.intevation.flys.artifacts.cache.CacheFactory;
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5 import de.intevation.flys.backend.SessionHolder;
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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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12 import org.hibernate.Session;
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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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18 public static final String CACHE_NAME = "fixings-overviews";
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20 private FixingsOverviewFactory() {
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21 }
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24 public static FixingsOverview getOverview(String river) {
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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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33 Cache cache = CacheFactory.getCache(CACHE_NAME);
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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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42 String key = "fix-over-" + river;
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44 Element element = cache.get(key);
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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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53 FixingsOverview overview = getUncached(river);
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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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65 public static FixingsOverview getUncached(String river) {
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66 FixingsOverview overview = new FixingsOverview(river);
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68 Session session = SessionHolder.HOLDER.get();
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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