annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/CrossSectionArtifact.java @ 1974:cdeb31ef20a1

Cosmetics. flys-artifacts/trunk@3393 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 13 Dec 2011 08:56:52 +0000
parents e0b081105a82
children 8afd6a9bb244
rev   line source
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts;
85e442933e6d New CrossSectionArtifact.
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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.artifacts.Artifact;
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11 import de.intevation.artifacts.ArtifactFactory;
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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.flys.artifacts.model.CrossSectionFacet;
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15
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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16 import de.intevation.flys.model.CrossSection;
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17 import de.intevation.flys.model.CrossSectionLine;
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18 import de.intevation.flys.artifacts.model.CrossSectionFactory;
1964
85e442933e6d New CrossSectionArtifact.
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19 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21
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22 import de.intevation.flys.artifacts.states.StaticState;
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23
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24 import de.intevation.artifactdatabase.state.Facet;
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25 import de.intevation.artifactdatabase.state.State;
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26
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27
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28
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29 public class CrossSectionArtifact extends StaticFLYSArtifact {
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30
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31 /** Access ids of doc. */
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32 public static final String XPATH_IDS = "/art:action/art:ids/@value";
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33
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34 /** Name of Artifact. */
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35 public static final String CS_ARTIFACT_NAME = "cross_section";
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36
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37 /** Name of state. */
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38 public static final String STATIC_STATE_NAME = "state.cross_section";
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39
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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40 /** Name of data item keeping the position. */
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41 public static final String DATA_KM = "cross_section.km";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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42
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43 /** Name of data item keeping the database id of this c.s.. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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44 public static final String DATA_DBID = "cross_section.dbid";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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45
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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46 /** Name of data item keeping the database id of this c.s.. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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47 public static final String DATA_IS_MASTER = "cross_section.master?";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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48
1964
85e442933e6d New CrossSectionArtifact.
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49 /** Own logger. */
85e442933e6d New CrossSectionArtifact.
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50 private static final Logger logger =
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51 Logger.getLogger(CrossSectionArtifact.class);
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52
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53
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54 /** Return given name. */
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55 @Override
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56 public String getName() {
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57 return CS_ARTIFACT_NAME;
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58 }
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59
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60
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61 /** Store ids, create a (broken) CrossSectionFacet. */
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62 @Override
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63 public void setup(
85e442933e6d New CrossSectionArtifact.
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64 String identifier,
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65 ArtifactFactory factory,
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66 Object context,
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67 CallMeta callMeta,
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68 Document data)
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69 {
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70 logger.info("CrossSectionArtifact.setup");
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71
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72 super.setup(identifier, factory, context, callMeta, data);
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73
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74 String ids = XMLUtils.xpathString(
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75 data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
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76
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77 if (ids != null && ids.length() > 0) {
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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78 addStringData(DATA_DBID, ids);
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79 logger.debug("CrossSectionArtifacts db-id: " + ids);
1964
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80 }
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81 else {
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82 throw new IllegalArgumentException("No attribute 'ids' found!");
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83 }
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84
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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85 // Assume we start at km 0.
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86 addStringData(DATA_KM, "0");
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87 addStringData(DATA_IS_MASTER, "0");
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88
1964
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89 List<Facet> fs = new ArrayList<Facet>();
1971
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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90 CrossSection cs = CrossSectionFactory.getCrossSection(Integer.valueOf(ids));
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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91 fs.add(new CrossSectionFacet(0, cs.getDescription()));
1964
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92
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93 StaticState state = (StaticState) getCurrentState(context);
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94
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95 if (!fs.isEmpty()) {
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96 facets.put(getCurrentStateId(), fs);
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97 }
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98 }
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99
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100
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101 /** Do not copy data from daddyfact. */
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102 @Override
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103 protected void initialize(
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104 Artifact artifact,
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105 Object context,
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106 CallMeta callMeta)
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107 {
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108 // do nothing
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109 }
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110
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111
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112 /**
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113 * Create and return a new StaticState with charting output.
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114 */
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115 @Override
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116 public State getCurrentState(Object cc) {
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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117 final List<Facet> fs = facets.get(getCurrentStateId());
1964
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118
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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119 StaticState state = new StaticState(STATIC_STATE_NAME) {
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120 public Object staticCompute(List<Facet> facets) {
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121 if (facets != null) {
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122 facets.addAll(fs);
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123 }
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124 return null;
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125 }
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126 };
1964
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127
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128 state.addDefaultChartOutput("cross_section", fs);
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129
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130 return state;
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131 }
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132
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133
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134 /**
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135 * Get a list containing the one and only State.
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136 * @param context ignored.
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137 * @return list with one and only state.
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138 */
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139 @Override
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140 protected List<State> getStates(Object context) {
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141 ArrayList<State> states = new ArrayList<State>();
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142 states.add(getCurrentState(context));
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143
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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144 return states;
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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145 }
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
146
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
147 // TODO all data access needs proper caching.
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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148
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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149 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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150 * Get a DataItem casted to int (0 if fails).
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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151 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
152 public int getDataAsIntNull(String dataName) {
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parents: 1964
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153 String val = getDataAsString(dataName);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
154 try {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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155 return Integer.valueOf(val);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
156 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
157 catch (NumberFormatException e) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
158 logger.warn("Could not get data " + dataName + " as int", e);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
159 return 0;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
160 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
161 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
162
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
163
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
164 /** Returns database-id of cross-section (from data). */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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165 protected int getDBID() {
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parents: 1964
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166 return getDataAsIntNull(DATA_DBID);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
167 }
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parents: 1964
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168
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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169
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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170 /**
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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171 * Return position (km) from data, 0 if not found.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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172 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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173 protected double getKm() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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174 String val = getDataAsString(DATA_KM);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
175 try {
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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176 return Double.valueOf(val);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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177 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
178 catch (NumberFormatException e) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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179 logger.warn("Could not get data " + DATA_KM + " as double", e);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
180 return 0;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
181 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
182 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
183
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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184
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
185 /** Returns true if artifact is set to be a "master" (other facets will
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
186 * refer to this). */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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187 public boolean isMaster() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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188 return !getDataAsString(DATA_IS_MASTER).equals("0");
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
189 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
190
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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191
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
192 /**
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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193 * Get points of Profile of cross section at given kilometer.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
194 *
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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195 * @return an array holding coordinates of points of profile (
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
196 * in the form {{x1, x2} {y1, y2}} ).
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
197 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
198 public double [][] getCrossSectionData() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
199 logger.info("getCrossSectionData() for cross_section.km "
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
200 + getDataAsString(DATA_KM));
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
201 CrossSectionLine line = searchCrossSectionLine();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
202
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
203 return line != null
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
204 ? line.fetchCrossSectionProfile()
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
205 : null;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
206 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
207
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
208
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
209 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
210 * Get CrossSectionLine spatially closest to what is specified in the data
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
211 * "cross_section.km".
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
212 *
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
213 * @return CrossSectionLine closest to "cross_section.km".
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
214 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
215 public CrossSectionLine searchCrossSectionLine() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
216 double wishKM = getKm();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
217
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
218 CrossSection crossSection = CrossSectionFactory.getCrossSection(getDBID());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
219 logger.debug("dbid " + getDBID() + " : " + crossSection);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
220 List<CrossSectionLine> crossSectionLines =
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
221 crossSection.getLines();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
222
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
223 // Get the cross section closest to requested km.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
224 // Naive, linear approach.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
225 CrossSectionLine oldLine = crossSectionLines.get(0);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
226 double oldDiff = Math.abs(wishKM - oldLine.getKm().doubleValue());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
227 for (CrossSectionLine line: crossSectionLines) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
228 double diff = Math.abs(wishKM - line.getKm().doubleValue());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
229 if (diff > oldDiff) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
230 break;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
231 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
232 oldDiff = diff;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
233 oldLine = line;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
234 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
235 return oldLine;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
236 }
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
237 }
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
238 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org