Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/ManualPointsArtifact.java @ 9425:3f49835a00c3

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Extended CrossSectionFacet so it may fetch different data from within the artifact result. Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author gernotbelger
date Fri, 17 Aug 2018 15:31:02 +0200
parents 5e38e2924c07
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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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;
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10
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11 import java.io.Serializable;
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12 import java.util.ArrayList;
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13 import java.util.List;
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14
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15 import org.apache.log4j.Logger;
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16 import org.dive4elements.artifactdatabase.state.Facet;
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17 import org.dive4elements.artifacts.Artifact;
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18 import org.dive4elements.artifacts.ArtifactFactory;
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19 import org.dive4elements.artifacts.CallContext;
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20 import org.dive4elements.artifacts.CallMeta;
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21 import org.dive4elements.river.artifacts.model.FacetTypes;
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22 import org.dive4elements.river.artifacts.states.DefaultState;
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23 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
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24 import org.json.JSONArray;
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25 import org.json.JSONException;
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26 import org.w3c.dom.Document;
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27
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28 /**
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29 * Artifact to store user-added points and water lines.
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30 */
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31 public class ManualPointsArtifact extends StaticD4EArtifact implements FacetTypes, WaterLineArtifact {
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32
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33 private static final long serialVersionUID = 7096025125474986011L;
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34
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35 /** The log for this class. */
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36 private static Logger log = Logger.getLogger(ManualPointsArtifact.class);
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37
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38 /** The name of the artifact. */
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39 public static final String ARTIFACT_NAME = "manualpoints";
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40
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41 public ManualPointsArtifact() {
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42 log.debug("ManualPointsArtifact.ManualPointsArtifact()");
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43 }
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44
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45 /**
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46 * Gets called from factory to set things up.
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47 */
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48 @Override
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49 public void setup(final String identifier, final ArtifactFactory factory, final Object context, final CallMeta callMeta, final Document data,
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50 final List<Class> loadFacets) {
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51 log.debug("ManualPointsArtifact.setup");
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52 super.setup(identifier, factory, context, callMeta, data, loadFacets);
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53 initialize(null, context, callMeta);
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54 }
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55
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56 /** Return the name of this artifact. */
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57 @Override
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58 public String getName() {
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59 return ARTIFACT_NAME;
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60 }
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61
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62 /** Access state data storing the jsonstring with points. */
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63 public String getPointsData(final String facetName) {
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64 return getDataAsString(facetName + ".data");
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65 }
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66
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67 /**
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68 * Access state data storing the jsonstring with lines.
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69 *
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70 * @param facetName
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71 * Name of facet or null if the so far
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72 * only known case should be picked.
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73 * @return (String) value of data element (expect json).
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74 */
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75 private String getLinesData(final String facetName) {
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76 if (facetName == null)
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77 return getDataAsString("cross_section.manualpoints.lines");
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78 // TODO .lineS?
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79 return getDataAsString(facetName + ".line");
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80 }
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81
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82 /** Setup state and facet. */
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83 @Override
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84 protected void initialize(final Artifact artifact, final Object context, final CallMeta meta) {
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85 log.debug("ManualPointsArtifact.initialize");
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86 final List<Facet> fs = new ArrayList<>();
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87
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88 final DefaultState state = (DefaultState) getCurrentState(context);
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89 state.computeInit(this, hash(), context, meta, fs);
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90 if (!fs.isEmpty()) {
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91 log.debug("Facets to add in ManualPointsArtifact.initialize .");
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92 addFacets(getCurrentStateId(), fs);
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93 } else {
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94 log.debug("No facets to add in ManualPointsArtifact.initialize (" + state.getID() + ").");
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95 }
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96 }
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97
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98 /**
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99 * Get value of line at index.
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100 *
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101 * @param index
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102 * index in json array defining lines.
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103 * @return water height of line at given index.
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104 */
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105 private double getLine(final int index) {
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106 try {
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107 final JSONArray lines = new JSONArray(getLinesData(null));
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108 final JSONArray array = lines.getJSONArray(index);
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109
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110 return array.getDouble(0);
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111 }
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112 catch (final JSONException e) {
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113 log.error("Could not decode json for line.", e);
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114 return 0d;
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115 }
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116 }
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117
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118 /**
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119 * Get the water line "surface".
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120 *
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121 * @param index
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122 * index of facets data.
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123 * @param csl
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124 * 'ground' against which to determine water surface.
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125 * @param a
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126 * (ignored in this implementation).
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127 * @param b
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128 * (ignored in this implementation).
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129 * @param context
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130 * (ignored in this implementation).
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131 */
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132 @Override
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133 public double getWaterLevel(final ComputeType type, final String hash, final String stateId, final double currentKm, final Serializable waterLineIndex,
3f49835a00c3 Extended CrossSectionFacet so it may fetch different data from within the artifact result.
gernotbelger
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134 final double nextKm, final double prevKm, final CallContext context) {
3f49835a00c3 Extended CrossSectionFacet so it may fetch different data from within the artifact result.
gernotbelger
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135 final int index = (int) waterLineIndex;
3f49835a00c3 Extended CrossSectionFacet so it may fetch different data from within the artifact result.
gernotbelger
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136 return getLine(index);
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d35f28655fa6 Create and handle new manual line type facets.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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137 }
9425
3f49835a00c3 Extended CrossSectionFacet so it may fetch different data from within the artifact result.
gernotbelger
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138 }
http://dive4elements.wald.intevation.org