Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportWstColumn.java @ 500:d50cd3a632e0

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Importer: Use BigDecimals in hashing to prevent numerical problems. Cache ranges globally, too. flys-backend/trunk@1854 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 08 May 2011 22:41:07 +0000
parents cce054f27dac
children 04d449f7f0c9
rev   line source
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1 package de.intevation.flys.importer;
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3 import de.intevation.flys.model.Wst;
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4 import de.intevation.flys.model.WstColumn;
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5 import de.intevation.flys.model.River;
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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.ArrayList;
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12
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13 import java.math.BigDecimal;
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14
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15 import org.apache.log4j.Logger;
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16
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17 public class ImportWstColumn
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18 {
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19 private static Logger log = Logger.getLogger(ImportWstColumn.class);
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21 protected ImportWst wst;
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22 protected String name;
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23 protected String description;
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24 protected Integer position;
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26 protected List<ImportWstColumnQRange> columnQRanges;
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27 protected List<ImportWstColumnValue> columnValues;
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28
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29 protected WstColumn peer;
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30
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31 public ImportWstColumn() {
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32 columnQRanges = new ArrayList<ImportWstColumnQRange>();
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33 columnValues = new ArrayList<ImportWstColumnValue>();
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34 }
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35
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36 public ImportWstColumn(
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37 ImportWst wst,
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38 String name,
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39 String description,
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40 Integer position
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41 ) {
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42 this();
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43 this.wst = wst;
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44 this.name = name;
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45 this.description = description;
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46 this.position = position;
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47 }
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48
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49 public ImportWst getWst() {
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50 return wst;
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51 }
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52
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53 public void setWst(ImportWst wst) {
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54 this.wst = wst;
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55 }
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56
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57 public String getName() {
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58 return name;
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59 }
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60
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61 public void setName(String name) {
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62 this.name = name;
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63 }
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64
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65 public String getDescription() {
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66 return description;
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67 }
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68
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69 public void setDescription(String description) {
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70 this.description = description;
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71 }
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72
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73 public Integer getPosition() {
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74 return position;
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75 }
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77 public void setPosition(Integer position) {
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78 this.position = position;
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79 }
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80
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81 public void addColumnValue(BigDecimal position, BigDecimal w) {
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82 columnValues.add(
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83 new ImportWstColumnValue(this, position, w));
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84 }
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85
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86 public void addColumnQRange(ImportWstQRange columnQRange) {
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87 columnQRanges.add(
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88 new ImportWstColumnQRange(this, columnQRange));
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89 }
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91 public void storeDependencies(River river) {
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92 log.info("store column '" + name + "'");
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93 WstColumn column = getPeer(river);
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94 log.info("store q ranges");
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95 for (ImportWstColumnQRange columnQRange: columnQRanges) {
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96 columnQRange.getPeer(river);
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97 }
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99 log.info("store w values");
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100 for (ImportWstColumnValue columnValue: columnValues) {
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101 columnValue.getPeer(river);
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102 }
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103 }
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105 public WstColumn getPeer(River river) {
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106 if (peer == null) {
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107 Wst w = wst.getPeer(river);
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108 Session session = ImporterSession.getInstance().getDatabaseSession();
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109 Query query = session.createQuery(
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110 "from WstColumn where " +
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111 "wst=:wst and name=:name and description=:description" +
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112 " and position=:position");
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113 query.setParameter("wst", w);
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114 query.setParameter("name", name);
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115 query.setParameter("description", description);
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116 query.setParameter("position", position);
201
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117 List<WstColumn> columns = query.list();
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118 if (columns.isEmpty()) {
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119 peer = new WstColumn(w, name, description, position, null);
201
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120 session.save(peer);
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121 }
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122 else {
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123 peer = columns.get(0);
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124 }
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125 }
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126 return peer;
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127 }
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128 }
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org