Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportCrossSectionLine.java @ 2860:2f874d14ac68

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Use Doubles to store meassure points of profiles. flys-backend/trunk@4325 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 02 May 2012 08:49:57 +0000
parents 5f1506fc7636
children 3199dbc20e22
rev   line source
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22858e7cca79 Integrated PRF parsing into importer. Needs testing!
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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.util.List;
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11 import java.util.Comparator;
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12 import java.util.Map;
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13 import java.util.TreeMap;
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14
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15 public class ImportCrossSectionLine
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16 {
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17 public static final Comparator<CrossSectionPoint> INDEX_CMP =
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18 new Comparator<CrossSectionPoint>() {
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19 public int compare(CrossSectionPoint a, CrossSectionPoint b) {
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20 return a.getColPos().compareTo(b.getColPos());
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21 }
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22 };
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23
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24 protected Double km;
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25 protected ImportCrossSection crossSection;
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26 protected List<XY> points;
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27
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28 protected CrossSectionLine peer;
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29
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30 public ImportCrossSectionLine() {
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31 }
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32
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33 public ImportCrossSectionLine(Double km, List<XY> points) {
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34 this.km = km;
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35 this.points = points;
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36 }
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37
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38 public ImportCrossSection getCrossSection() {
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39 return crossSection;
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40 }
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41
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42 public void setCrossSection(ImportCrossSection crossSection) {
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43 this.crossSection = crossSection;
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44 }
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45
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46 public Double getKm() {
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47 return km;
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48 }
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49
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50 public void setKm(Double km) {
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51 this.km = km;
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52 }
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53
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54 public void storeDependencies() {
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55 storePoints();
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56 }
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57
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58 protected void storePoints() {
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59 CrossSectionLine csl = getPeer();
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60
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61 Map<CrossSectionPoint, CrossSectionPoint> map =
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62 new TreeMap<CrossSectionPoint, CrossSectionPoint>(INDEX_CMP);
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63
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64 // build index for faster collision lookup
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65 List<CrossSectionPoint> ps = csl.getPoints();
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66 if (ps != null) {
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67 for (CrossSectionPoint point: ps) {
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68 map.put(point, point);
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69 }
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70 }
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71
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72 Session session =
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73 ImporterSession.getInstance().getDatabaseSession();
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74
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75 CrossSectionPoint key = new CrossSectionPoint();
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76
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77 for (XY xy: points) {
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78 key.setColPos(xy.getIndex());
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79 CrossSectionPoint csp = map.get(key);
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80 if (csp == null) { // create new
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81 csp = new CrossSectionPoint(
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82 csl, key.getColPos(),
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83 Double.valueOf(xy.getX()),
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84 Double.valueOf(xy.getY()));
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85 }
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86 else { // update old
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87 csp.setX(Double.valueOf(xy.getX()));
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88 csp.setY(Double.valueOf(xy.getY()));
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89 }
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90 session.save(csp);
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91 }
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92 }
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93
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94 public CrossSectionLine getPeer() {
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95 if (peer == null) {
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96 CrossSection cs = crossSection.getPeer();
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97
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98 Session session =
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99 ImporterSession.getInstance().getDatabaseSession();
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100
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101 Query query = session.createQuery(
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102 "from CrossSectionLine where crossSection=:cs and km=:km");
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103 query.setParameter("cs", cs);
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104 query.setParameter("km", km);
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105
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106 List<CrossSectionLine> lines = query.list();
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107 if (lines.isEmpty()) {
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108 peer = new CrossSectionLine(cs, km);
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109 session.save(peer);
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110 }
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111 else {
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112 peer = lines.get(0);
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113 }
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114 }
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115 return peer;
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116 }
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117 }
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118 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org