Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/MainValuesArtifact.java @ 1095:f465785ed1ae

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Refactored the code to fetch the km range/locations into a utility class. flys-artifacts/trunk@2598 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 26 Aug 2011 14:58:35 +0000
parents 139e7df1787c
children 29c67a76ad5d
rev   line source
1047
38088c982db6 Added stub implementation of new MainValuesArtifact.
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9
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10 import de.intevation.artifactdatabase.data.DefaultStateData;
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11 import de.intevation.artifactdatabase.data.StateData;
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12 import de.intevation.artifactdatabase.state.Facet;
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13 import de.intevation.artifactdatabase.state.DefaultOutput;
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14 import de.intevation.artifactdatabase.state.State;
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15
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16 import de.intevation.artifacts.Artifact;
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17 import de.intevation.artifacts.ArtifactFactory;
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18 import de.intevation.artifacts.CallMeta;
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19
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20 import de.intevation.flys.model.Gauge;
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21 import de.intevation.flys.model.MainValue;
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22 import de.intevation.flys.model.River;
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23
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24 import de.intevation.flys.artifacts.model.MainValuesQFacet;
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25 import de.intevation.flys.artifacts.model.MainValuesWFacet;
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26 import de.intevation.flys.artifacts.model.NamedDouble;
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27 import de.intevation.flys.artifacts.model.RiverFactory;
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28 import de.intevation.flys.artifacts.states.StaticState;
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29 import de.intevation.flys.utils.FLYSUtils;
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30
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31
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32 /**
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33 * Artifact to access names of Points Of Interest along a segment of a river.
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34 * This artifact neglects (Static)FLYSArtifacts capabilities of interaction
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35 * with the StateEngine by overriding the getState*-methods.
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36 */
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37 public class MainValuesArtifact
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38 extends StaticFLYSArtifact
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39 {
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40 /** The logger for this class. */
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41 private static Logger logger = Logger.getLogger(MainValuesArtifact.class);
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42
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43 /** The name of the artifact. */
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44 public static final String ARTIFACT_NAME = "mainvalue";
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45
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46 /** One and only state to be in. */
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47 protected transient State state = null;
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48
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49
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50 /**
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51 * Trivial Constructor.
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52 */
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53 public MainValuesArtifact() {
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54 logger.debug("MainValuesArtifact.MainValuesartifact()");
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55 }
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56
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57
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58 /**
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59 * Gets called from factory, to set things up.
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60 */
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61 @Override
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62 public void setup(
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63 String identifier,
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64 ArtifactFactory factory,
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65 Object context,
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66 CallMeta callMeta,
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67 Document data)
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68 {
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69 logger.debug("MainValuesArtifact.setup");
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70 super.setup(identifier, factory, context, callMeta, data);
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71 }
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72
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73
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74 @Override
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75 protected void initialize(Artifact artifact, Object context, CallMeta meta) {
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76 logger.debug("MainValuesArtifact.initialize");
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77 WINFOArtifact winfo = (WINFOArtifact) artifact;
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78 double location = FLYSUtils.getLocations(winfo)[0];
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79 addData("location", new DefaultStateData("location", null, null,
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80 String.valueOf(location)));
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81 addData("river", winfo.getData("river"));
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82 }
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83
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84
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85 /**
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86 * Get a list containing the one and only State.
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87 * @param context ignored.
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88 * @return list with one and only state.
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89 */
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90 @Override
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91 protected List<State> getStates(Object context) {
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92 ArrayList<State> states = new ArrayList<State>();
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93 states.add(getState(null,null));
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94 return states;
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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 the "current" state.
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100 * @param cc ignored.
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101 * @return the "current" state.
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102 */
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103 @Override
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104 protected State getCurrentState(Object cc) {
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105 return getState();
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106 }
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107
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108
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109 /**
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110 * Get the only possible state.
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111 * @return the state.
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112 */
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113 protected State getState() {
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114 return getState(null, null);
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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 state.
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120 * @param context ignored.
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121 * @param stateID ignored.
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122 * @return the state.
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123 */
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124 @Override
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125 protected State getState(Object context, String stateID) {
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126 if (state != null) {
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127
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128 }
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129 else {
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130 state = new StaticState();
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131 List<Facet> fs = new ArrayList<Facet>();
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132 Facet qfacet = new MainValuesQFacet();
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133 Facet wfacet = new MainValuesWFacet();
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134 fs.add(qfacet);
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135 fs.add(wfacet);
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136 // TODO check if facets and outputs already exist.
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137 // TODO also check, this is usually done in initialize, too.
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138 facets.put(state.getID(), fs);
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139 DefaultOutput mainValuesOutput1 = new DefaultOutput(
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140 "discharge_curve", "output.discharge_curve", "image/png",
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141 fs,
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142 "chart");
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143 DefaultOutput mainValuesOutput2 = new DefaultOutput(
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144 "computed_discharge_curve",
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145 "output.computed_discharge_curve", "image/png",
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146 fs,
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147 "chart");
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148
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149 state.getOutputs().add(mainValuesOutput1);
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150 state.getOutputs().add(mainValuesOutput2);
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151 }
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152 return state;
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153 }
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154
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155
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156 /**
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157 * Get the river.
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158 * @todo resolve, this is a duplicate of WINFOArtifact.
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159 */
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160 public River getRiver() {
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161 StateData dRiver = getData("river");
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162
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163 return dRiver != null
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164 ? RiverFactory.getRiver((String) dRiver.getValue())
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165 : null;
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166 }
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167
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168
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169 /**
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170 * Access the Gauge that the mainvalues are taken from.
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171 * @return Gauge that main values are taken from or null in case of
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172 * invalid parameterization.
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173 */
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174 protected Gauge getGauge() {
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175 River river = getRiver();
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176
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177 if (river == null) {
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178 return null;
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179 }
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180
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181 double location = Double.parseDouble(
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182 (String)getData("location").getValue());
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183
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184 return river.determineGaugeByPosition(location);
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185 }
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186
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187
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188 /**
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189 * Get datum of Gauge.
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190 * @return datum of gauge.
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191 */
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192 public double getGaugeDatum() {
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193 Gauge gauge = getGauge();
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194 if (gauge == null) { return 0.0f; }
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195 return gauge.getDatum().doubleValue();
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196 }
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197
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198
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199 /**
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200 * Get a list of "Q" main values.
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201 * @return list of Q main values.
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202 */
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203 public List<NamedDouble> getMainValuesQ() {
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204 List<NamedDouble> filteredList = new ArrayList<NamedDouble>();
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205 Gauge gauge = getGauge();
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206 if (gauge != null) {
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207 List<MainValue> orig = gauge.getMainValues();
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208 for (MainValue mv : orig) {
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209 if (mv.getMainValue().getType().getName().equals("Q")) {
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diff changeset
210 filteredList.add(new NamedDouble(
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211 mv.getMainValue().getName(),
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212 mv.getValue().doubleValue()
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213 ));
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214 }
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215 }
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216 }
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217 return filteredList;
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218 }
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219
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220
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221 /**
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222 * Get a list of "W" main values.
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223 * @return list of W main values.
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224 */
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225 public List<NamedDouble> getMainValuesW() {
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226 List<NamedDouble> filteredList = new ArrayList<NamedDouble>();
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227 Gauge gauge = getGauge();
1089
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228 double datum = gauge.getDatum().doubleValue();
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diff changeset
229 if (gauge != null) {
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diff changeset
230 List<MainValue> orig = gauge.getMainValues();
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diff changeset
231 for (MainValue mv : orig) {
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diff changeset
232 if (mv.getMainValue().getType().getName().equals("W")) {
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diff changeset
233 filteredList.add(new NamedDouble(
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234 mv.getMainValue().getName(),
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235 mv.getValue().doubleValue()/100.f + datum
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236 ));
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237 }
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238 }
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239 }
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240 return filteredList;
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241 }
1047
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242 }
http://dive4elements.wald.intevation.org