Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/SQOverviewFactory.java @ 8870:c26fb37899ca

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Introduced groups for modules. Modules marked with the same group-id, will be put together in the ui. Also using now the localization info from the server instead of localizing the modules again on the client side.
author gernotbelger
date Wed, 07 Feb 2018 11:59:13 +0100
parents af13ceeba52a
children 0a5239a1e46e
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import org.dive4elements.river.artifacts.cache.CacheFactory;
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12
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13 import org.dive4elements.river.backend.SedDBSessionHolder;
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14
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15 import net.sf.ehcache.Cache;
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16 import net.sf.ehcache.Element;
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17
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18 import org.apache.log4j.Logger;
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19
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20 import org.hibernate.Session;
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21
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22 public class SQOverviewFactory {
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23
ec9aab93f292 SQ: First peek into fetching relevant data from SedDB
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24 private static Logger log = Logger.getLogger(SQOverviewFactory.class);
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25
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26 public static final String CACHE_NAME = "sq-overviews";
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27
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28 private SQOverviewFactory() {
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29 }
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30
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31
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32 public static SQOverview getOverview(String river) {
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33
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34 boolean debug = log.isDebugEnabled();
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35
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36 if (debug) {
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37 log.debug(
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38 "Looking for sq overview for river '" + river + "'");
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39 }
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40
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41 Cache cache = CacheFactory.getCache(CACHE_NAME);
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42
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43 if (cache == null) {
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44 if (debug) {
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45 log.debug("Cache not configured.");
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46 }
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47 return getUncached(river);
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48 }
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49
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50 String key = "sq-over-" + river;
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51
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52 Element element = cache.get(key);
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53
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54 if (element != null) {
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55 if (debug) {
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56 log.debug("Overview found in cache");
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57 }
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58 return (SQOverview)element.getValue();
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59 }
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60
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61 SQOverview overview = getUncached(river);
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62
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63 if (overview != null) {
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64 if (debug) {
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65 log.debug("Store overview in cache.");
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66 }
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67 cache.put(new Element(key, overview));
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68 }
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69
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70 return overview;
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71 }
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72
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73 public static SQOverview getUncached(String river) {
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74 SQOverview overview = new SQOverview(river);
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75
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76 Session session = SedDBSessionHolder.HOLDER.get();
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77
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78 return overview.load(session) ? overview : null;
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79 }
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80 }
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org