Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/GaugeTimerangeState.java @ 8853:8c64617a7991
Some source code comments and fixme's
author | gernotbelger |
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date | Thu, 18 Jan 2018 18:33:52 +0100 |
parents | e4606eae8ea5 |
children | 5e38e2924c07 |
rev | line source |
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River artifacts: Added new copyright headers.
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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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.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.D4EArtifact; |
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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.RiverUtils; |
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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 log. */ |
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31 private static final Logger log = |
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32 Logger.getLogger(GaugeTimerangeState.class); |
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33 |
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34 |
5413 | 35 /** Get 'min' and 'max'times of gauge time intervals. */ |
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36 protected long[] getLowerUpper(D4EArtifact flys) { |
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37 Gauge gauge = RiverUtils.getReferenceGauge(flys); |
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38 |
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39 if (gauge == null) { |
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40 log.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 kind <> 0 and 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.isEmpty()) { |
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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 log.warn("Could not determine time range for gauge: " + gauge.getName() |
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71 + " id: " + gauge.getId()); |
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72 |
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73 return null; |
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74 } |
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75 |
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76 |
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77 @Override |
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78 protected Object getLower(D4EArtifact flys) { |
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79 long[] lowerUpper = getLowerUpper(flys); |
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80 |
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81 return lowerUpper != null ? lowerUpper[0] : 0; |
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82 } |
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83 |
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84 |
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85 @Override |
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86 protected Object getUpper(D4EArtifact flys) { |
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87 long[] lowerUpper = getLowerUpper(flys); |
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88 |
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89 return lowerUpper != null ? lowerUpper[1] : 0; |
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90 } |
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91 |
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92 |
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93 @Override |
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94 protected String getUIProvider() { |
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95 return "gaugetimerange"; |
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96 } |
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97 |
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98 @Override |
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99 protected String getType() { |
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100 return "longrange"; |
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101 } |
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102 } |
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |