Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java @ 363:8422ffc1f2f9

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Added themes and mappings for the W and Q theme of a longitudinal section curve. flys-artifacts/trunk@1771 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 29 Apr 2011 08:02:54 +0000
parents d79a51fc4f1d
children 0ccf7200fc51
rev   line source
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.List;
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4 import java.util.Vector;
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5
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6 import org.w3c.dom.Document;
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7 import org.w3c.dom.Element;
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8 import org.w3c.dom.Node;
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9
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10 import org.apache.log4j.Logger;
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11
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12 import de.intevation.artifacts.ArtifactNamespaceContext;
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13 import de.intevation.artifacts.CallContext;
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15 import de.intevation.artifactdatabase.ProtocolUtils;
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16 import de.intevation.artifactdatabase.state.Output;
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17 import de.intevation.artifactdatabase.state.State;
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18 import de.intevation.artifactdatabase.state.StateEngine;
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19 import de.intevation.artifactdatabase.transition.TransitionEngine;
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21 import de.intevation.artifacts.common.utils.XMLUtils;
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22
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23 import de.intevation.flys.model.River;
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24
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25 import de.intevation.flys.artifacts.states.DefaultState;
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26 import de.intevation.flys.artifacts.context.FLYSContext;
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27 import de.intevation.flys.artifacts.model.WQKms;
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28 import de.intevation.flys.artifacts.model.WstValueTable;
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30
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31 /**
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32 * The default WINFO artifact.
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33 *
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34 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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35 */
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36 public class WINFOArtifact extends FLYSArtifact {
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38 /** The logger for this class */
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39 private static Logger logger = Logger.getLogger(WINFOArtifact.class);
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42 /** The name of the artifact.*/
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43 public static final String ARTIFACT_NAME = "winfo";
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44
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45 /** XPath */
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46 public static final String XPATH_STATIC_UI ="/art:result/art:ui/art:static";
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49 /**
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50 * The default constructor.
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51 */
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52 public WINFOArtifact() {
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53 }
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56 /**
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57 * This method returns a description of this artifact.
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58 *
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59 * @param data Some data.
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60 * @param context The CallContext.
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61 *
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62 * @return the description of this artifact.
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63 */
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64 public Document describe(Document data, CallContext context) {
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65 logger.debug("Describe: the current state is: " + getCurrentStateId());
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67 FLYSContext flysContext = null;
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68 if (context instanceof FLYSContext) {
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69 flysContext = (FLYSContext) context;
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70 }
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71 else {
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72 flysContext = (FLYSContext) context.globalContext();
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73 }
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75 StateEngine stateEngine = (StateEngine) flysContext.get(
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76 FLYSContext.STATE_ENGINE_KEY);
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77
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78 TransitionEngine transitionEngine = (TransitionEngine) flysContext.get(
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79 FLYSContext.TRANSITION_ENGINE_KEY);
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81 List<State> reachable = transitionEngine.getReachableStates(
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82 this, getCurrentState(context), stateEngine);
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84 Document description = XMLUtils.newDocument();
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85 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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86 description,
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87 ArtifactNamespaceContext.NAMESPACE_URI,
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88 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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90 Element root = ProtocolUtils.createRootNode(creator);
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91 description.appendChild(root);
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93 State current = getCurrentState(context);
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95 ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash());
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96 ProtocolUtils.appendState(creator, root, current);
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97 ProtocolUtils.appendReachableStates(creator, root, reachable);
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99 Element name = ProtocolUtils.createArtNode(
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100 creator, "name",
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101 new String[] { "value" },
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102 new String[] { getName() });
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103
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104 Element ui = ProtocolUtils.createArtNode(
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105 creator, "ui", null, null);
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106
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107 Element staticUI = ProtocolUtils.createArtNode(
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108 creator, "static", null, null);
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110 Element outs = ProtocolUtils.createArtNode(
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111 creator, "outputmodes", null, null);
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112 appendOutputModes(description, outs, context, identifier());
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113
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114 appendStaticUI(description, staticUI, context, identifier());
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115
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116 Element dynamic = current.describe(
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117 this,
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118 description,
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119 root,
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120 context,
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121 identifier());
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122
144
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123 if (dynamic != null) {
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124 ui.appendChild(dynamic);
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125 }
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126
128
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127 ui.appendChild(staticUI);
144
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128
303
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129 root.appendChild(name);
127
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130 root.appendChild(ui);
144
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131 root.appendChild(outs);
124
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132
110
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133 return description;
105
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134 }
121
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135
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136
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137 /**
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138 * Returns the name of the concrete artifact.
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139 *
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140 * @return the name of the concrete artifact.
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141 */
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142 public String getName() {
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143 return ARTIFACT_NAME;
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144 }
124
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145
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146
144
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147 protected void appendOutputModes(
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148 Document doc,
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149 Element outs,
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150 CallContext context,
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151 String uuid)
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152 {
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153 Vector<String> stateIds = getPreviousStateIds();
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154
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155 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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156 doc,
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157 ArtifactNamespaceContext.NAMESPACE_URI,
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158 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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159
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160 FLYSContext flysContext = getFlysContext(context);
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161 StateEngine engine = (StateEngine) flysContext.get(
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162 FLYSContext.STATE_ENGINE_KEY);
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163
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164 for (String stateId: stateIds) {
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165 logger.debug("Append output modes for state: " + stateId);
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166 State state = engine.getState(stateId);
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167
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168 List<Output> list = state.getOutputs();
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169 if (list == null || list.size() == 0) {
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170 continue;
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171 }
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172
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173 ProtocolUtils.appendOutputModes(creator, outs, list);
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174 }
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175
355
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176 try {
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177 DefaultState cur = (DefaultState) getCurrentState(context);
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178 if (cur.validate(this, context)) {
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179 List<Output> list = cur.getOutputs();
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180 if (list != null && list.size() > 0) {
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181 logger.debug(
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182 "Append output modes for state: " + cur.getID());
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183
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184 ProtocolUtils.appendOutputModes(creator, outs, list);
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185 }
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186 }
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187 }
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188 catch (IllegalArgumentException iae) {
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189 // state is not valid, so we do not append its outputs.
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190 }
144
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191 }
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192
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193
124
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194 /**
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195 * This method appends the static data - that has already been inserted by
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196 * the user - to the static node of the DESCRIBE document.
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197 *
134
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198 * @param doc The document.
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199 * @param ui The root node.
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200 * @param context The CallContext.
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201 * @param uuid The identifier of the artifact.
124
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202 */
128
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203 protected void appendStaticUI(
134
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204 Document doc,
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205 Node ui,
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206 CallContext context,
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207 String uuid)
128
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208 {
134
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209 Vector<String> stateIds = getPreviousStateIds();
124
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210
134
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211 FLYSContext flysContext = getFlysContext(context);
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212 StateEngine engine = (StateEngine) flysContext.get(
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213 FLYSContext.STATE_ENGINE_KEY);
124
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214
134
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215 for (String stateId: stateIds) {
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216 logger.debug("Append static data for state: " + stateId);
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217 DefaultState state = (DefaultState) engine.getState(stateId);
302
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218 state = (DefaultState) fillState(state);
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219
134
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220 ui.appendChild(state.describeStatic(doc, ui, context, uuid));
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221 }
362
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222 }
124
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223
362
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224
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225 //
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226 // METHODS FOR RETRIEVING COMPUTED DATA FOR DIFFERENT CHART TYPES
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227 //
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228
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229 /**
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230 * Returns the data that is computed by a waterlevel computation.
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231 *
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232 * @return an array of data triples that consist of W, Q and Kms.
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233 */
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234 public WQKms[] getWaterlevelData()
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235 throws NullPointerException
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236 {
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237 logger.debug("WINFOArtifact.getWaterlevelData");
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238
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239 River river = getRiver();
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240 if (river == null) {
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241 throw new NullPointerException("No river selected.");
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242 }
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243
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244 double[] kms = getKms();
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245 if (kms == null) {
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246 throw new NullPointerException("No Kms selected.");
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247 }
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248
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249 double[] qs = getQs();
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250 if (qs == null) {
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251 // TODO Use DischargeTableValue.getQForW() to compute the Qs.
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252 }
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253
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254 WstValueTable wst = WstValueTable.getTable(river);
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255 if (wst == null) {
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256 throw new NullPointerException("No Wst found for selected river.");
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257 }
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258
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259 // TODO Introduce a caching mechanism here!
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260
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261 return computeWaterlevelData(kms, qs, wst);
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262 }
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263
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264
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265 /**
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266 * Computes the data of a waterlevel computation based on the interpolation
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267 * in WstValueTable.
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268 *
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269 * @param kms The kilometer values.
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270 * @param qa The discharge values.
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271 * @param wst The WstValueTable used for the interpolation.
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272 *
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273 * @return an array of data triples that consist of W, Q and Kms.
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274 */
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275 public static WQKms[] computeWaterlevelData(
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276 double[] kms,
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277 double[] qs,
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278 WstValueTable wst)
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279 {
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280 logger.info("WINFOArtifact.computeWaterlevelData");
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281
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282 WQKms[] wqkms = new WQKms[qs.length];
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283 for (int i = 0; i < wqkms.length; i++) {
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284 wqkms[i] = new WQKms();
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285 }
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286
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287 for (double km: kms) {
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288 double[] interpolatedW = wst.interpolateW(km, qs);
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289
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290 // TODO Modify the interpolation to return a better formed data
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291 // structure.
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292 for (int i = 0; i < interpolatedW.length; i++) {
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293 wqkms[i].add(interpolatedW[i], qs[i], km);
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294 }
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295 }
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296
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297 return wqkms;
124
b7a9557957d1 Appende the static data to the static node of the DESCRIBE document.
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298 }
105
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299 }
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300 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org