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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.flowdepth; |
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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.model.Calculation; |
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18 import org.dive4elements.river.artifacts.model.CalculationResult; |
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19 import org.dive4elements.river.artifacts.model.DataFacet; |
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20 import org.dive4elements.river.artifacts.model.EmptyFacet; |
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21 import org.dive4elements.river.artifacts.model.FacetTypes; |
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22 import org.dive4elements.river.artifacts.model.ReportFacet; |
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23 import org.dive4elements.river.artifacts.resources.Resources; |
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24 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact; |
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25 import org.dive4elements.river.artifacts.states.DefaultState; |
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26 |
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27 /** State in which a waterlevel has been calculated. */ |
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28 public class FlowDepthState |
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29 extends DefaultState |
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30 { |
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31 /// ** The log that is used in this state. */ |
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32 // private static Logger log = Logger.getLogger(FlowDepthState.class); |
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33 |
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34 private static final long serialVersionUID = 1L; |
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35 |
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36 private static final String I18N_FACET_FLOW_DEPTH_FILTERED_DESCRIPTION = "sinfo.facet.flow_depth.filtered.description"; |
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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( |
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48 final D4EArtifact artifact, |
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49 final String hash, |
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50 final CallContext context, |
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51 final List<Facet> facets, |
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52 final Object old |
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53 ) { |
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54 // FIXME: why is this necessary? |
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55 if (artifact instanceof ChartArtifact) { |
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56 facets.add(new EmptyFacet()); |
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57 return null; |
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58 } |
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59 return compute((SINFOArtifact) artifact, context, hash, facets, old); |
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60 } |
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61 |
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62 @Override |
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63 public Object computeAdvance( |
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64 final D4EArtifact artifact, |
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65 final String hash, |
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66 final CallContext context, |
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67 final List<Facet> facets, |
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68 final Object old |
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69 ) { |
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70 if (artifact instanceof ChartArtifact) { |
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71 facets.add(new EmptyFacet()); |
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72 return null; |
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73 } |
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74 return compute((SINFOArtifact) artifact, context, hash, facets, old); |
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75 } |
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76 |
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77 /** |
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78 * Compute result or returned object from cache, create facets. |
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79 * @param old Object that was cached. |
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80 */ |
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81 private Object compute( |
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82 final SINFOArtifact sinfo, |
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83 final CallContext context, |
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84 final String hash, |
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85 final List<Facet> facets, |
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86 final Object old |
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87 ) { |
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88 final CalculationResult res; |
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89 if (old instanceof CalculationResult) |
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90 res = (CalculationResult) old; |
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91 else |
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92 res = new FlowDepthCalculation(context).calculate(sinfo); |
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93 |
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94 if (facets == null) { |
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95 return res; |
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96 } |
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97 |
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98 final FlowDepthCalculationResults results = (FlowDepthCalculationResults) res.getData(); |
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99 |
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100 /* add themes for chart, for each result */ |
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101 final List<FlowDepthCalculationResult> resultList = results.getResults(); |
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102 for (int index = 0; index < resultList.size(); index++) { |
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103 |
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104 final FlowDepthCalculationResult result = resultList.get(index); |
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105 |
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106 /* filtered (zoom dependent mean) flow depth */ |
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107 final String facetFlowDepthFilteredDescription = Resources.getMsg( context.getMeta(), I18N_FACET_FLOW_DEPTH_FILTERED_DESCRIPTION, I18N_FACET_FLOW_DEPTH_FILTERED_DESCRIPTION, result.getLabel() ); |
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108 facets.add(new FlowDepthFilterFacet( |
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109 index, |
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110 FlowDepthProcessor.FACET_FLOW_DEPTH_FILTERED, |
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111 facetFlowDepthFilteredDescription, |
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112 ComputeType.ADVANCE, |
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113 id, |
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114 hash |
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115 )); |
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116 |
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117 // FIXME: add other themes |
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118 } |
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119 |
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120 if (!resultList.isEmpty() ) { |
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121 Facet csv = new DataFacet( |
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122 FacetTypes.CSV, "CSV data", ComputeType.ADVANCE, hash, id); |
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123 Facet pdf = new DataFacet( |
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124 FacetTypes.PDF, "PDF data", ComputeType.ADVANCE, hash, id); |
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125 |
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126 facets.add(csv); |
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127 facets.add(pdf); |
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128 } |
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129 |
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130 final Calculation report = res.getReport(); |
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131 |
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132 if (report.hasProblems()) { |
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133 facets.add(new ReportFacet(ComputeType.ADVANCE, hash, id)); |
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134 } |
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135 |
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136 return res; |
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137 } |
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138 } |
