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annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/profile/verticalcrosssection/VerticalCrossSectionParallelOutputState.java @ 1090:51f3edc9d743

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Added missing classes of the last commit. gnv-artifacts/trunk@1204 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Sat, 12 Jun 2010 13:00:45 +0000
parents
children e71e982772a9
rev   line source
1090
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1 package de.intevation.gnv.state.profile.verticalcrosssection;
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2
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3 import com.vividsolutions.jts.geom.Coordinate;
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4 import com.vividsolutions.jts.geom.CoordinateSequence;
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5 import com.vividsolutions.jts.geom.impl.CoordinateArraySequenceFactory;
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6
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7 import com.vividsolutions.jts.io.WKTWriter;
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8
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9
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10 import de.intevation.gnv.geobackend.base.Result;
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11 import de.intevation.gnv.geobackend.base.ResultDescriptor;
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12
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13 import de.intevation.gnv.geobackend.base.query.QueryExecutor;
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14 import de.intevation.gnv.geobackend.base.query.QueryExecutorFactory;
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15
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16 import de.intevation.gnv.geobackend.base.query.exception.QueryException;
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17
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18 import de.intevation.gnv.state.InputData;
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19
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20 import de.intevation.gnv.utils.WKTUtils;
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21
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22 import java.util.Collection;
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23 import java.util.Iterator;
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24
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25 import org.apache.log4j.Logger;
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26
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27 /**
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28 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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29 */
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30 public class VerticalCrossSectionParallelOutputState
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31 extends VerticalCrossSectionOutputState
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32 {
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33 public static final String QUERY_LINESTRING =
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34 "verticalcrosssection_mesh_parallel_linestring";
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35
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36 private static Logger logger =
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37 Logger.getLogger(VerticalCrossSectionParallelOutputState.class);
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38
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39 @Override
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40 protected String getLineString() {
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41 Coordinate[] coordinates = null;
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42
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43 try {
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44 String[] filters = generateFilterValues();
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45
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46 QueryExecutor exec = QueryExecutorFactory
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47 .getInstance()
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48 .getQueryExecutor();
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49
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50 Collection results = exec.executeQuery(QUERY_LINESTRING, filters);
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51 Iterator iter = results.iterator();
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52
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53 coordinates = new Coordinate[results.size()];
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54 int sIdx = -1;
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55 int idx = 0;
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56
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57 while (iter.hasNext()) {
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58 Result result = (Result) iter.next();
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59
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60 if (sIdx == -1) {
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61 ResultDescriptor rd = result.getResultDescriptor();
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62 sIdx = rd.getColumnIndex("SHAPE");
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63 }
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64
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65 logger.debug(result.getString(sIdx));
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66 Coordinate c = WKTUtils.toCoordinate(result.getString(sIdx));
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67
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68 coordinates[idx++] = c;
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69 }
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70 }
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71 catch (QueryException qe) {
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72 logger.error(qe, qe);
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73 }
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74
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75 CoordinateArraySequenceFactory factory =
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76 CoordinateArraySequenceFactory.instance();
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77
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78 if (coordinates == null)
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79 return null;
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80
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81 CoordinateSequence seq = factory.create(coordinates);
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82 return seq != null ? WKTWriter.toLineString(seq) : null;
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83 }
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84
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85
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86 protected String[] generateFilterValues() {
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87 String[] filters = new String[7];
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88
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89 InputData parameterid = inputData.get("parameterid");
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90 InputData timevalue = inputData.get("dateid");
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91 InputData meshid = inputData.get("meshid");
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92 InputData axisid = inputData.get("axisid");
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93 InputData meshpoint = inputData.get("mesh_point");
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94
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95 filters[0] = parameterid.getValue();
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96 filters[1] = "to_date('" + timevalue.getValue() + "', 'YYYY.MM.DD HH24:MI:SS')";
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97 filters[2] = meshid.getValue();
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98 filters[3] = meshid.getValue();
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99 filters[4] = axisid.getValue();
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100 filters[5] = axisid.getValue();
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101 filters[6] = meshpoint.getValue();
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102
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103 return filters;
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104 }
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105 }
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106 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org