Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/ComputationRangeState.java @ 5788:b5d20b3dab4e

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Doc.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 23 Apr 2013 10:47:29 +0200
parents 1358d0c8481c
children
rev   line source
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610d0e0f4f85 #159 Modifications in the transition model to support a state with a kilometer range input only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.artifacts.states;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.w3c.dom.Element;
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6
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7 import de.intevation.artifacts.Artifact;
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8 import de.intevation.artifacts.CallContext;
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9
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10 import de.intevation.artifacts.common.utils.XMLUtils;
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11
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12 import de.intevation.artifactdatabase.ProtocolUtils;
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13 import de.intevation.artifactdatabase.data.StateData;
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14
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15 import de.intevation.flys.artifacts.FLYSArtifact;
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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.resources.Resources;
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19
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20 import de.intevation.flys.utils.FLYSUtils;
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21
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22
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23 /**
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class ComputationRangeState
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27 extends RangeState
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28 implements FacetTypes
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29 {
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30 private static Logger logger =
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31 Logger.getLogger(ComputationRangeState.class);
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32
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33 /** The default step width. */
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34 public static final int DEFAULT_STEP = 100;
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35
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36
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37 public ComputationRangeState() {
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38 }
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39
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40
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41 @Override
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42 protected Element createData(
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43 XMLUtils.ElementCreator cr,
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44 Artifact artifact,
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45 StateData data,
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46 CallContext context)
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47 {
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48 Element select = ProtocolUtils.createArtNode(
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49 cr, "select", null, null);
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50
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51 cr.addAttr(select, "name", data.getName(), true);
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52
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53 Element label = ProtocolUtils.createArtNode(
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54 cr, "label", null, null);
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55
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56 // XXX: DEAD CODE
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57 /*
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58 Element choices = ProtocolUtils.createArtNode(
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59 cr, "choices", null, null);
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60 */
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61
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62 label.setTextContent(Resources.getMsg(
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63 context.getMeta(),
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64 data.getName(),
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65 data.getName()));
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66
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67 select.appendChild(label);
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68
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69 return select;
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70 }
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71
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72
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73 @Override
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74 protected Element[] createItems(
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75 XMLUtils.ElementCreator cr,
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76 Artifact artifact,
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77 String name,
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78 CallContext context)
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79 {
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80 double[] minmax = getMinMax(artifact);
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81
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82 double minVal = Double.MIN_VALUE;
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83 double maxVal = Double.MAX_VALUE;
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84
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85 if (minmax != null) {
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86 minVal = minmax[0];
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87 maxVal = minmax[1];
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88 }
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89 else {
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90 logger.warn("Could not read min/max distance values!");
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91 }
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92
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93 if (name.equals("ld_from")) {
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94 Element min = createItem(
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95 cr,
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96 new String[] {"min", new Double(minVal).toString()});
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97
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98 return new Element[] { min };
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99 }
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100 else if (name.equals("ld_to")) {
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101 Element max = createItem(
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102 cr,
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103 new String[] {"max", new Double(maxVal).toString()});
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104
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105 return new Element[] { max };
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106 }
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107 else {
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108 Element step = createItem(
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109 cr,
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110 new String[] {"step", String.valueOf(getDefaultStep())});
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111 return new Element[] { step };
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112 }
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113
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114 }
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116
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117 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
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118 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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119 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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120 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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121
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122 String[] arr = (String[]) obj;
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123
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124 label.setTextContent(arr[0]);
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125 value.setTextContent(arr[1]);
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126
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127 item.appendChild(label);
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128 item.appendChild(value);
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129
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130 return item;
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131 }
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132
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133
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134 @Override
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135 protected double[] getMinMax(Artifact artifact) {
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136 FLYSArtifact flysArtifact = (FLYSArtifact) artifact;
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137 return FLYSUtils.getRiverMinMax(flysArtifact);
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138 }
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139
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140
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141 protected double getDefaultStep() {
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142 return DEFAULT_STEP;
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143 }
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144 }
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145 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org