Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/access/FixAnalysisAccess.java @ 8755:30b1ddadf275

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(issue1801) Unify reference gauge finding code The basic way as described in the method comment of the determineRefGauge method is now used in the WINFOArtifact, MainValuesService and RiverUtils.getGauge method. RiverUtils.getGauge previously just returned the first gauge found. While this is now a behavior change I believe that it is always more correct then the undeterministic behavior of the previous implmenentation.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 24 Jun 2015 14:07:26 +0200
parents 4930ea445bdd
children 0a5239a1e46e
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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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.access;
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10
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11 import org.dive4elements.artifactdatabase.data.StateData;
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12
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13 import org.dive4elements.river.artifacts.D4EArtifact;
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14
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15 import org.dive4elements.river.artifacts.model.DateRange;
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16
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17 import java.util.Arrays;
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18 import java.util.Date;
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19
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20 import org.apache.log4j.Logger;
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21
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22 public class FixAnalysisAccess
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23 extends FixAccess
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24 {
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25 private static Logger log = Logger.getLogger(FixAnalysisAccess.class);
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26
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27 protected DateRange referencePeriod;
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28 protected DateRange [] analysisPeriods;
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29
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30 protected double [] qs;
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31
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32 public FixAnalysisAccess(D4EArtifact artifact) {
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33 super(artifact);
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34 }
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35
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36 /** Access the reference date period, return null in case of 'errors'. */
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37 public DateRange getReferencePeriod() {
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38 if (referencePeriod == null) {
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39 StateData refStart = artifact.getData("ref_start");
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40 StateData refEnd = artifact.getData("ref_end");
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41
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42 if (refStart == null || refEnd == null) {
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43 log.warn("missing 'ref_start' or 'ref_start' value");
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44 return null;
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45 }
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46
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47 try {
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48 long rs = Long.parseLong((String)refStart.getValue());
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49 long re = Long.parseLong((String)refEnd .getValue());
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50
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51 if (rs > re) { long t = rs; rs = re; re = t; }
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52
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53 Date from = new Date(rs);
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54 Date to = new Date(re);
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55 referencePeriod = new DateRange(from, to);
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56 }
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57 catch (NumberFormatException nfe) {
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58 log.warn("ref_start or ref_end is not an integer.");
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59 }
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60 }
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61
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62 return referencePeriod;
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63 }
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64
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65 public DateRange [] getAnalysisPeriods() {
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66 if (analysisPeriods == null) {
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67 analysisPeriods = getDateRange("ana_data");
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68 }
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69
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70 return analysisPeriods;
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71 }
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72
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73 /**
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74 * @return DateRange object ranging from eldest to youngest date
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75 * of analysis and reference periods.
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76 */
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77 public DateRange getDateRange() {
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78 DateRange refP = getReferencePeriod();
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79
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80 if (refP == null) {
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81 return null;
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82 }
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83
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84 Date from = refP.getFrom();
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85 Date to = refP.getTo();
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86
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87 DateRange[] rs = getAnalysisPeriods();
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88 for (DateRange r: rs) {
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89 if (r.getFrom().before(from)) {
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90 from = r.getFrom();
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91 }
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92 if (r.getTo().after(to)) {
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93 to = r.getTo();
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94 }
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95 }
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96
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97 return new DateRange(from, to);
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98 }
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99
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100 public double [] getQs() {
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101 if (qs == null) {
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102 qs = getDoubleArray("qs");
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103 }
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104
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105 if (log.isDebugEnabled() && qs != null) {
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106 log.debug("qs: " + Arrays.toString(qs));
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107 }
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108 return qs;
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109 }
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110 }
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111 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org