Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 1895:1be3a4636ee3

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New convenience function to copy data from one artifact to another. flys-artifacts/trunk@3255 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 15 Nov 2011 14:45:57 +0000
parents 41ba2276d785
children 61667c3a0003
rev   line source
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.text.NumberFormat;
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4 import java.util.Iterator;
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5 import java.util.Locale;
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6 import java.util.Map;
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7 import java.util.List;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Element;
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13 import org.w3c.dom.Node;
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35301cc3b875 Modified the states' describe() method - related to the last commit.
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15 import de.intevation.artifacts.Artifact;
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16 import de.intevation.artifacts.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.CallContext;
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18 import de.intevation.artifacts.CallMeta;
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19
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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22
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23 import de.intevation.artifactdatabase.ProtocolUtils;
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24
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25 import de.intevation.artifactdatabase.data.DefaultStateData;
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26 import de.intevation.artifactdatabase.data.StateData;
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27
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28 import de.intevation.artifactdatabase.state.AbstractState;
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29 import de.intevation.artifactdatabase.state.Facet;
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31 import de.intevation.flys.artifacts.FLYSArtifact;
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33 import de.intevation.flys.artifacts.resources.Resources;
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34
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35
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36 /**
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37 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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38 */
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39 public abstract class DefaultState extends AbstractState {
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40
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41 /** The logger that is used in this class. */
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42 private static Logger logger = Logger.getLogger(DefaultState.class);
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44 /** The three possible compute types. */
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45 public static enum ComputeType {
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46 FEED, ADVANCE, INIT
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47 }
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50 protected StateData getData(FLYSArtifact artifact, String name) {
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51 return artifact.getData(name);
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52 }
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53
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54
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55 /**
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56 * Append to a node and return xml description relevant for gui.
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57 */
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58 public Element describeStatic(
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59 Artifact artifact,
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60 Document document,
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61 Node root,
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62 CallContext context,
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63 String uuid)
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64 {
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65 ElementCreator creator = new ElementCreator(
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66 document,
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67 ArtifactNamespaceContext.NAMESPACE_URI,
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68 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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69
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70 CallMeta meta = context.getMeta();
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71
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72 String label = Resources.getMsg(meta, getID(), getID());
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73 Element ui = ProtocolUtils.createArtNode(
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74 creator, "state",
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75 new String[] { "name", "uiprovider", "label" },
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76 new String[] { getID(), getUIProvider(), label });
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77
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78 Map<String, StateData> theData = getData();
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79 if (theData == null) {
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80 return ui;
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81 }
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82
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83 Iterator<String> iter = theData.keySet().iterator();
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84 FLYSArtifact flys = (FLYSArtifact) artifact;
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85
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86 while (iter.hasNext()) {
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87 String name = iter.next();
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88 appendStaticData(flys, context, creator, ui, name);
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89 }
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90
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91 return ui;
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92 }
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93
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94
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95 protected void appendStaticData(
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96 FLYSArtifact flys,
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97 CallContext context,
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98 ElementCreator cr,
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99 Element ui,
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100 String name
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101 ) {
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102 StateData data = getData(flys, name);
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103 String value = (data != null) ? (String) data.getValue() : null;
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104
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105 if (value == null) {
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106 return;
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107 }
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108
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109 logger.debug("Append element '" + name + "' (" + value + ")");
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110
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111 Element e = createStaticData(
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112 flys, cr, context, name, value, data.getType());
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113
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114 ui.appendChild(e);
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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 /**
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120 * Creates a <i>data</i> element used in the static part of the DESCRIBE
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121 * document.
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122 *
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123 * @param creator The ElementCreator that is used to build new Elements.
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124 * @param meta The CallMeta object used for i18n.
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125 * @param name The name of the data item.
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126 * @param value The value as string.
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127 *
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128 * @return an Element.
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129 */
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130 protected Element createStaticData(
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131 FLYSArtifact flys,
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132 ElementCreator creator,
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133 CallContext cc,
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134 String name,
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135 String value,
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136 String type
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137 ) {
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138 CallMeta meta = cc.getMeta();
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139
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140 Element dataElement = creator.create("data");
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141 creator.addAttr(dataElement, "name", name, true);
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142 creator.addAttr(dataElement, "type", type, true);
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143
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144 Element itemElement = creator.create("item");
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145 creator.addAttr(itemElement, "value", value, true);
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146
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147 String attrValue = "";
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148 try {
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149 // XXX A better way to format the output would be to use the
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150 // 'type' value of the data objects.
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151 double doubleVal = Double.valueOf(value);
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152 Locale l = Resources.getLocale(meta);
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153 NumberFormat nf = NumberFormat.getInstance(l);
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154
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155 attrValue = nf.format(doubleVal);
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156 }
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157 catch (NumberFormatException nfe) {
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158 attrValue = Resources.getMsg(meta, value, value);
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159 }
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160
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161 creator.addAttr(itemElement, "label", attrValue, true);
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162 dataElement.appendChild(itemElement);
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163
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164 return dataElement;
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165 }
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166
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167
126
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168 public Element describe(
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169 Artifact artifact,
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170 Document document,
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171 Node root,
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172 CallContext context,
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173 String uuid)
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174 {
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175 ElementCreator creator = new ElementCreator(
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176 document,
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177 ArtifactNamespaceContext.NAMESPACE_URI,
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178 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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179
135
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180 Element ui = null;
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181 String uiprovider = getUIProvider();
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182 if (uiprovider != null) {
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183 ui = ProtocolUtils.createArtNode(
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184 creator, "dynamic",
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185 new String[] { "uiprovider" },
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186 new String[] { uiprovider });
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187 }
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188 else {
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189 ui = ProtocolUtils.createArtNode(creator, "dynamic", null, null);
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190 }
126
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191
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192 Map<String, StateData> theData = getData();
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193 if (theData == null) {
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194 return ui;
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195 }
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196
624
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197 Iterator<String> iter = theData.keySet().iterator();
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198 FLYSArtifact flys = (FLYSArtifact) artifact;
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199
624
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200 while (iter.hasNext()) {
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201 String name = iter.next();
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202 StateData data = getData(flys, name);
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203
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204 data = data != null ? data : getData(name);
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205
313
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206 Element select = createData(creator, artifact, data, context);
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207
630
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208 String defValue = (String) data.getValue();
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209 String defDesc = null;
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210
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211 if (defValue != null && defValue.length() > 0) {
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212 defDesc = Resources.getMsg(
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213 context.getMeta(),
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214 defValue,
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215 defValue);
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216 }
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217
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218 if (defValue != null && defDesc != null) {
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219 creator.addAttr(select, "defaultValue", defValue, true);
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220 creator.addAttr(select, "defaultLabel", defDesc, true);
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221 }
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222
126
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223 Element choices = ProtocolUtils.createArtNode(
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224 creator, "choices", null, null);
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225
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226 select.appendChild(choices);
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227 ui.appendChild(select);
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228
313
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229 Element[] items = createItems(creator, artifact, name, context);
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230 if (items != null) {
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231 for (Element item: items) {
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232 choices.appendChild(item);
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233 }
126
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234 }
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235 }
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236
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237 return ui;
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238 }
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239
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240
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241 /**
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242 * This method creates the root node that contains the list of selectable
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243 * items.
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244 *
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245 * @param cr The ElementCreator.
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246 * @param name The name of the amount of data.
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247 *
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248 * @return the root node of the item list.
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249 */
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250 protected Element createData(
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251 ElementCreator cr,
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252 Artifact artifact,
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253 StateData data,
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254 CallContext context)
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255 {
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256 Element select = ProtocolUtils.createArtNode(
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257 cr, "select", null, null);
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258 cr.addAttr(select, "name", data.getName(), true);
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259
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260 Element label = ProtocolUtils.createArtNode(
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261 cr, "label", null, null);
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262
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263 select.appendChild(label);
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264
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265 label.setTextContent(Resources.getMsg(
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266 context.getMeta(),
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267 getID(),
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268 getID()));
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269
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270 return select;
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271 }
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272
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273
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274 /**
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275 * This method creates a list of items. These items represent the amount of
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276 * input data that is possible for this state.
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277 *
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278 * @param cr The ElementCreator.
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279 * @param name The name of the amount of data.
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280 *
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281 * @return a list of items.
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282 */
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283 protected Element[] createItems(
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284 ElementCreator cr,
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285 Artifact artifact,
126
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286 String name,
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287 CallContext context
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288 ) {
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289 return null;
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290 }
135
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291
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292
322
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293 /**
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294 * This method is used to create an <i>item</i> Element that contains two
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295 * further elements <i>label</i> and <i>value</i>. The label and value
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296 * elements both have text nodes.
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297 *
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298 * @param cr The ElementCreator used to build new Elements.
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299 * @param obj This implementation awaits a String array with [0] = label and
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300 * [1] = value.
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301 *
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302 * @return an Element.
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303 */
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304 protected Element createItem(XMLUtils.ElementCreator cr, Object obj) {
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305 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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306 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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307 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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308
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309 String[] arr = (String[]) obj;
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310
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311 label.setTextContent(arr[0]);
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312 value.setTextContent(arr[1]);
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313
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314 item.appendChild(label);
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315 item.appendChild(value);
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316
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317 return item;
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318 }
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319
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320
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321 /**
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322 * This method transform a given value into a StateData object.
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323 *
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324 * @param flys The FLYSArtifact.
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325 * @param name The name of the data object.
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326 * @param val The value of the data object.
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327 *
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328 * @return a StateData object with <i>name</i> and <i>val</i>ue.
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329 */
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330 public StateData transform(
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331 FLYSArtifact flys,
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332 CallContext cc,
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333 String name,
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334 String val
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335 ) {
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336 logger.debug("Transform data ('" + name + "','" + val + "')");
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337 return new DefaultStateData(name, null, null, val);
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338 }
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339
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340
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341 /**
322
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342 * This method validates the inserted data and returns true, if everything
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343 * was correct, otherwise an exception is thrown.
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344 *
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345 * @param artifact A reference to the owner artifact.
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346 *
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347 * @return true, if everything was fine.
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348 */
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349 public boolean validate(Artifact artifact)
322
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350 throws IllegalArgumentException
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351 {
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352 return true;
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
diff changeset
353 }
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
diff changeset
354
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 313
diff changeset
355
1691
17648043429f Cosmetics, docs, annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1180
diff changeset
356 /**
17648043429f Cosmetics, docs, annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1180
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357 * Returns which UIProvider shall be used to aid user input.
17648043429f Cosmetics, docs, annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1180
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358 */
135
2d6e02787d00 Added a method to retrieve the UIProvider for a state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 134
diff changeset
359 protected String getUIProvider() {
2d6e02787d00 Added a method to retrieve the UIProvider for a state.
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parents: 134
diff changeset
360 return null;
2d6e02787d00 Added a method to retrieve the UIProvider for a state.
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parents: 134
diff changeset
361 }
687
06689035024c Added a compute() method to WINFOArtifact which acts as a dispatcher for different computations. It triggers a calculation based on ComputeCallbacks that are generated by the current states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 669
diff changeset
362
1136
8da5f5a9ed3c Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1050
diff changeset
363
697
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
364 public Object computeAdvance(
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
365 FLYSArtifact artifact,
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
366 String hash,
742
c09c9e05ecfa Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 697
diff changeset
367 CallContext context,
c09c9e05ecfa Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 697
diff changeset
368 List<Facet> facets,
697
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
369 Object old
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
370 ) {
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
371 return null;
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
372 }
687
06689035024c Added a compute() method to WINFOArtifact which acts as a dispatcher for different computations. It triggers a calculation based on ComputeCallbacks that are generated by the current states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 669
diff changeset
373
1136
8da5f5a9ed3c Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1050
diff changeset
374
697
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
375 public Object computeFeed(
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
376 FLYSArtifact artifact,
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
377 String hash,
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
378 CallContext context,
742
c09c9e05ecfa Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 697
diff changeset
379 List<Facet> facets,
697
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
380 Object old
b972eba2ed8a Removed ComputeCallback because this was thought too complicated. Fixed issue with facets not be re-generated if same state is entered again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 687
diff changeset
381 ) {
687
06689035024c Added a compute() method to WINFOArtifact which acts as a dispatcher for different computations. It triggers a calculation based on ComputeCallbacks that are generated by the current states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 669
diff changeset
382 return null;
06689035024c Added a compute() method to WINFOArtifact which acts as a dispatcher for different computations. It triggers a calculation based on ComputeCallbacks that are generated by the current states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 669
diff changeset
383 }
941
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
384
1136
8da5f5a9ed3c Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1050
diff changeset
385
941
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
386 public Object computeInit(
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
387 FLYSArtifact artifact,
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
388 String hash,
958
ae198bef4ba0 Added configurations for river WMSe (currently for Saar, Mosel, Elbe).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 942
diff changeset
389 Object context,
941
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
390 CallMeta meta,
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
391 List<Facet> facets)
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
392 {
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
393 return null;
1b509e4cf99b Added a computeInit() method to intialize data/facets after creating new artifacts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 742
diff changeset
394 }
126
b18aebd1342f Added an abstract base class DefaultState for States.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
395 }
b18aebd1342f Added an abstract base class DefaultState for States.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
396 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org