Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportCrossSectionLine.java @ 1205:5f1506fc7636

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Made import of cross sections work. flys-backend/trunk@2313 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 08 Jul 2011 09:45:48 +0000
parents 22858e7cca79
children 2f874d14ac68
rev   line source
1204
22858e7cca79 Integrated PRF parsing into importer. Needs testing!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.importer;
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2
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3 import de.intevation.flys.model.CrossSection;
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4 import de.intevation.flys.model.CrossSectionPoint;
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5 import de.intevation.flys.model.CrossSectionLine;
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6
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7 import org.hibernate.Session;
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8 import org.hibernate.Query;
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9
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10 import java.math.BigDecimal;
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11
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12 import java.util.List;
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13 import java.util.Comparator;
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14 import java.util.Map;
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15 import java.util.TreeMap;
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16
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17 public class ImportCrossSectionLine
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18 {
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19 public static final Comparator<CrossSectionPoint> INDEX_CMP =
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20 new Comparator<CrossSectionPoint>() {
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21 public int compare(CrossSectionPoint a, CrossSectionPoint b) {
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22 return a.getColPos().compareTo(b.getColPos());
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23 }
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24 };
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25
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26 protected BigDecimal km;
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27 protected ImportCrossSection crossSection;
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28 protected List<XY> points;
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29
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30 protected CrossSectionLine peer;
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31
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32 public ImportCrossSectionLine() {
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33 }
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34
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35 public ImportCrossSectionLine(BigDecimal km, List<XY> points) {
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36 this.km = km;
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37 this.points = points;
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38 }
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39
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40 public ImportCrossSection getCrossSection() {
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41 return crossSection;
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42 }
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43
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44 public void setCrossSection(ImportCrossSection crossSection) {
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45 this.crossSection = crossSection;
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46 }
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47
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48 public BigDecimal getKm() {
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49 return km;
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50 }
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51
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52 public void setKm(BigDecimal km) {
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53 this.km = km;
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54 }
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55
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56 public void storeDependencies() {
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57 storePoints();
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58 }
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59
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60 protected void storePoints() {
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61 CrossSectionLine csl = getPeer();
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62
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63 Map<CrossSectionPoint, CrossSectionPoint> map =
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64 new TreeMap<CrossSectionPoint, CrossSectionPoint>(INDEX_CMP);
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65
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66 // build index for faster collision lookup
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67 List<CrossSectionPoint> ps = csl.getPoints();
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68 if (ps != null) {
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69 for (CrossSectionPoint point: ps) {
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70 map.put(point, point);
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71 }
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72 }
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73
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74 Session session =
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75 ImporterSession.getInstance().getDatabaseSession();
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76
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77 CrossSectionPoint key = new CrossSectionPoint();
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78
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79 for (XY xy: points) {
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80 key.setColPos(xy.getIndex());
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81 CrossSectionPoint csp = map.get(key);
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82 if (csp == null) { // create new
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83 csp = new CrossSectionPoint(
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84 csl, key.getColPos(),
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85 new BigDecimal(xy.getX()),
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86 new BigDecimal(xy.getY()));
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87 }
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88 else { // update old
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89 csp.setX(new BigDecimal(xy.getX()));
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90 csp.setY(new BigDecimal(xy.getY()));
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91 }
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92 session.save(csp);
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93 }
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94 }
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95
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96 public CrossSectionLine getPeer() {
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97 if (peer == null) {
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98 CrossSection cs = crossSection.getPeer();
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99
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100 Session session =
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101 ImporterSession.getInstance().getDatabaseSession();
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102
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103 Query query = session.createQuery(
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104 "from CrossSectionLine where crossSection=:cs and km=:km");
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105 query.setParameter("cs", cs);
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106 query.setParameter("km", km);
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107
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108 List<CrossSectionLine> lines = query.list();
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109 if (lines.isEmpty()) {
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110 peer = new CrossSectionLine(cs, km);
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111 session.save(peer);
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112 }
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113 else {
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114 peer = lines.get(0);
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115 }
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116 }
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117 return peer;
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118 }
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119 }
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120 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org