Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WDifferencesState.java @ 1626:b9b47af71564

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Preparations for ability to display multiple differences in one plot. flys-artifacts/trunk@2801 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 21 Sep 2011 13:49:50 +0000
parents 47ecf98f09eb
children ff7bffb7d5f0
rev   line source
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08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.util.List;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import de.intevation.artifacts.CallContext;
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8
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9 import de.intevation.artifactdatabase.state.Facet;
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10
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11 import de.intevation.artifacts.Artifact;
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12 import de.intevation.flys.artifacts.FLYSArtifact;
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13 import de.intevation.flys.artifacts.WINFOArtifact;
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14
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15 import de.intevation.flys.artifacts.math.WKmsOperation;
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16
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17 import de.intevation.flys.artifacts.model.FacetTypes;
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18 import de.intevation.flys.artifacts.model.WKms;
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19 import de.intevation.flys.artifacts.model.WQKms;
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20
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21 import de.intevation.flys.artifacts.model.DataFacet;
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22 import de.intevation.artifactdatabase.data.StateData;
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23
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24 import de.intevation.flys.utils.FLYSUtils;
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25
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26
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27 public class WDifferencesState
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28 extends DefaultState
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29 implements FacetTypes
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30 {
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31 /** The logger that is used in this state. */
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32 private static Logger logger = Logger.getLogger(WDifferencesState.class);
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33
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34
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35 public WDifferencesState() {
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36 }
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37
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38
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39 /** Specify to display nothing (this is kind of a "final" state). */
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40 @Override
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41 protected String getUIProvider() {
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42 return "noinput";
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43 }
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44
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45
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46 @Override
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47 public boolean validate(Artifact artifact)
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48 throws IllegalArgumentException
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49 {
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50 FLYSArtifact flys = (FLYSArtifact) artifact;
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51
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52 StateData data = flys.getData("diffids");
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53
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54 if (data == null) {
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55 throw new IllegalArgumentException("diffids is empty");
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56 }
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57
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58 // TODO: Also validate format.
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59
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60 return true;
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61 }
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62
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63
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64
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65 @Override
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66 public Object computeAdvance(
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67 FLYSArtifact artifact,
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68 String hash,
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69 CallContext context,
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70 List<Facet> facets,
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71 Object old
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72 ) {
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73 WINFOArtifact winfo = (WINFOArtifact)artifact;
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74 String id = getID();
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75
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76 // Load the Artifacts/facets that we want to subtract and display.
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77 // Expected format is:
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78 // [42537f1e-3522-42ef-8968-635b03d8e9c6;longitudinal_section.w;0]#[1231f2-....]
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79 String datas[] = winfo.getDataAsString("diffids").split("#");
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80
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81 // Validate the Data-Strings.
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82 for (String s: datas) {
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83 if (!WaterlevelSelectState.isValueValid(winfo.getDataAsString("diffids"))) {
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84 // TODO: escalate.
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85 }
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86 }
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87
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88 if (datas.length < 2) {
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89 // TODO crash with style
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90 ;
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91 }
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92
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93 WKms wkms = null;
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94
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95 for(int i = 0; i < datas.length /2; i++) {
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96 String uuid1 = WaterlevelSelectState.strip(datas[i+0]).split(";")[0];
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97 String uuid2 = WaterlevelSelectState.strip(datas[i+1]).split(";")[0];
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98
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99 WINFOArtifact flys1 = (WINFOArtifact) FLYSUtils.getArtifact(
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100 uuid1,
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101 context);
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102 WINFOArtifact flys2 = (WINFOArtifact) FLYSUtils.getArtifact(
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103 uuid2,
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104 context);
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105
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106 if (flys1 == null) {
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107 logger.warn("One of the artifacts (1) for diff calculation could not be loaded");
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108 }
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109 if (flys2 == null) {
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110 logger.warn("One of the artifacts (2) for diff calculation could not be loaded");
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111 }
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112 // TODO: Issue of multiple results in calculation
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113 //WKms wkms = null;
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114 String facetName = "diff ()";
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115
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116 if (flys1 != null && flys2 != null) {
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117 // TODO Also check size.
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118 // TODO Also need index of wqkms.
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119 WQKms[] minuend = (WQKms[]) flys1.getWaterlevelData().getData();
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120 WQKms[] subtrahend = (WQKms[]) flys2.getWaterlevelData().getData();
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121
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122 if (datas.length > 2) {
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123 logger.error("Cannot keep more than one calculation.");
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124 }
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125 wkms = WKmsOperation.SUBTRACTION.operate(minuend[0], subtrahend[0]);
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126 facetName = "W ("+minuend[0].getName() + ") - W (" + subtrahend[0].getName()+")";
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127 logger.debug("WKMSSubtraction happened");
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128 }
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129
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130 if (facets != null) {
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131 // TODO: pass computetype and state id.
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132 //, ComputeType.ADVANCE, getID(), hash));
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133 facets.add(new DataFacet(W_DIFFERENCES, facetName));
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134 facets.add(new DataFacet(CSV, "CSV data"));
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135 }
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136 else {
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137 logger.debug("Not adding facets in WDifferencesState.");
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138 }
1151
08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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139 }
08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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140
08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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141 return wkms;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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142 }
08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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143 }
08048bd090e6 Added very stubby WDifferences State/OutGenerator for WINFOArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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144 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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