Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/GaugeTimerangeState.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children 73da40528cf2
rev   line source
5863
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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2 * Software engineering by Intevation GmbH
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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3 *
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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4 * This file is Free Software under the GNU AGPL (>=v3)
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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6 * documentation coming with Dive4Elements River for details.
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7 */
4897a58c8746 River artifacts: Added new copyright headers.
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8
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9 package org.dive4elements.river.artifacts.states;
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10
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11 import java.util.Calendar;
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12 import java.util.List;
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13
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14 import org.apache.log4j.Logger;
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15 import org.hibernate.SQLQuery;
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16 import org.hibernate.Session;
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17 import org.hibernate.type.StandardBasicTypes;
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18
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19 import org.dive4elements.river.artifacts.FLYSArtifact;
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20 import org.dive4elements.river.backend.SessionHolder;
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21 import org.dive4elements.river.model.Gauge;
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22 import org.dive4elements.river.utils.FLYSUtils;
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23
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24
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25 /**
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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27 */
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28 public class GaugeTimerangeState extends IntRangeState {
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29
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30 /** Private logger. */
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31 private static final Logger logger =
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32 Logger.getLogger(GaugeTimerangeState.class);
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33
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34
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35 /** Get 'min' and 'max'times of gauge time intervals. */
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36 protected long[] getLowerUpper(FLYSArtifact flys) {
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37 Gauge gauge = FLYSUtils.getReferenceGauge(flys);
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38
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39 if (gauge == null) {
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40 logger.warn("No reference gauge specified!");
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41 return new long[] { 0, 0 };
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42 }
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43
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44 Session session = SessionHolder.HOLDER.get();
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45
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46 SQLQuery query = session.createSQLQuery(
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47 "SELECT min(start_time) as min, max(stop_time) as max " +
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48 "FROM time_intervals WHERE id in " +
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49 "(SELECT time_interval_id FROM discharge_tables " +
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50 "WHERE gauge_id =:gid)");
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51
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52 query.addScalar("min", StandardBasicTypes.CALENDAR);
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53 query.addScalar("max", StandardBasicTypes.CALENDAR);
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54
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55 query.setInteger("gid", gauge.getId());
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56
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57 List<?> results = query.list();
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58
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59 if (results != null) {
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60 Object[] res = (Object[]) results.get(0);
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61
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62 Calendar lo = (Calendar) res[0];
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63 Calendar up = (Calendar) res[1];
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64
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65 if (lo != null && up != null) {
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66 return new long[] { lo.getTimeInMillis(), up.getTimeInMillis() };
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67 }
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68 }
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69
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70 logger.warn("Could not determine time range for gauge: " + gauge);
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71
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72 return null;
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73 }
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74
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75
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76 @Override
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77 protected Object getLower(FLYSArtifact flys) {
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78 long[] lowerUpper = getLowerUpper(flys);
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79
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80 return lowerUpper != null ? lowerUpper[0] : 0;
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81 }
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82
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83
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84 @Override
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85 protected Object getUpper(FLYSArtifact flys) {
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86 long[] lowerUpper = getLowerUpper(flys);
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87
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88 return lowerUpper != null ? lowerUpper[1] : 0;
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89 }
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90
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91
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92 @Override
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93 protected String getUIProvider() {
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94 return "gaugetimerange";
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95 }
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96
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97 @Override
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98 protected String getType() {
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99 return "longrange";
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100 }
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101 }
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102 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org