Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/collision/CollisionState.java @ 9487:504f63512379

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Sinfo collisions: calculation of multiple epochs, avoiding duplicate collision events in the details report
author mschaefer
date Tue, 18 Sep 2018 12:21:17 +0200
parents 0fc9c82e744e
children 1d4262a68f1f
rev   line source
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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.sinfo.collision;
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10
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11 import java.util.List;
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12
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13 import org.dive4elements.artifactdatabase.state.Facet;
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14 import org.dive4elements.artifacts.CallContext;
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15 import org.dive4elements.river.artifacts.ChartArtifact;
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16 import org.dive4elements.river.artifacts.D4EArtifact;
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17 import org.dive4elements.river.artifacts.common.AbstractCalculationExportableResult;
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18 import org.dive4elements.river.artifacts.model.Calculation;
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19 import org.dive4elements.river.artifacts.model.CalculationResult;
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20 import org.dive4elements.river.artifacts.model.DataFacet;
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21 import org.dive4elements.river.artifacts.model.DateRange;
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22 import org.dive4elements.river.artifacts.model.EmptyFacet;
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23 import org.dive4elements.river.artifacts.model.FacetTypes;
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24 import org.dive4elements.river.artifacts.model.ReportFacet;
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25 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact;
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26 import org.dive4elements.river.artifacts.states.DefaultState;
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27
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28 /**
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29 * State in which a collision count has been calculated.
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30 */
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31 public class CollisionState extends DefaultState {
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32
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33 /// ** The log that is used in this state. */
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34 // private static Logger log = Logger.getLogger(CollisionState.class);
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35
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36 private static final long serialVersionUID = 1L;
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37
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38 /**
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39 * From this state can only be continued trivially.
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40 */
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41 @Override
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42 protected String getUIProvider() {
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43 return "continue";
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44 }
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45
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46 @Override
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47 public Object computeFeed(final D4EArtifact artifact, final String hash, final CallContext context, final List<Facet> facets, final Object old) {
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48 if (artifact instanceof ChartArtifact) {
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49 facets.add(new EmptyFacet());
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50 return null;
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51 }
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52 return compute((SINFOArtifact) artifact, context, hash, facets, old);
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53 }
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54
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55 @Override
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56 public Object computeAdvance(final D4EArtifact artifact, final String hash, final CallContext context, final List<Facet> facets, final Object old) {
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57 if (artifact instanceof ChartArtifact) {
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58 facets.add(new EmptyFacet());
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59 return null;
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60 }
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61 return compute((SINFOArtifact) artifact, context, hash, facets, old);
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62 }
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63
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64 /**
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65 * Compute result or returned object from cache, create facets.
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66 *
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67 * @param old
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68 * Object that was cached.
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69 */
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70 private Object compute(final SINFOArtifact sinfo, final CallContext context, final String hash, final List<Facet> facets, final Object old) {
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71
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72 final CalculationResult res = doCompute(sinfo, context, old);
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73
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74 if (facets == null)
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75 return res;
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76 //
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77 final CollisionCalculationResults results = (CollisionCalculationResults) res.getData();
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78
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79 /* add themes for chart, for each result */
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80 final List<AbstractCalculationExportableResult> resultList = results.getResults();
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81 int themeCount = 0;
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82 for (int index = 0; index < resultList.size(); index++) {
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83 if (resultList.get(index) instanceof CollisionCalcOverviewResult) {
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84 final CollisionCalcOverviewResult result = (CollisionCalcOverviewResult) resultList.get(index);
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85 for (final DateRange dr : result.getYears())
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86 facets.add(CollisionCalcProcessor.createFacet(context, hash, this.id, result, index, dr.getFromYear(), themeCount++));
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87 }
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88 }
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89
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90 if (!resultList.isEmpty()) {
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91 final Facet csv = new DataFacet(FacetTypes.CSV, "CSV data", ComputeType.ADVANCE, hash, this.id);
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92 final Facet pdf = new DataFacet(FacetTypes.PDF, "PDF data", ComputeType.ADVANCE, hash, this.id);
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93
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94 facets.add(csv);
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95 facets.add(pdf);
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96 }
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97
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98 final Calculation report = res.getReport();
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99
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100 if (report.hasProblems()) {
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101 facets.add(new ReportFacet(ComputeType.ADVANCE, hash, this.id));
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102 }
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103
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104 return res;
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105 }
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106
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107 private CalculationResult doCompute(final SINFOArtifact sinfo, final CallContext context, final Object old) {
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108 if (old instanceof CalculationResult)
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109 return (CalculationResult) old;
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110
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111 return new CollisionCalculation(context).calculate(sinfo);
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112 }
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113 }
http://dive4elements.wald.intevation.org