Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportWst.java @ 482:3a99d0295006

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Importer: Support parsing "zusaetzliche Laengsschnitte". flys-backend/trunk@1801 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 03 May 2011 11:32:11 +0000
parents db430bd9e0e0
children 67fd63e4ef66
rev   line source
196
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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.Wst;
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4 import de.intevation.flys.model.WstColumnValue;
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5 import de.intevation.flys.model.River;
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6
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7 import de.intevation.flys.backend.SessionFactoryProvider;
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8
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9 import org.apache.log4j.Logger;
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11 import org.hibernate.Session;
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12 import org.hibernate.SessionFactory;
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13 import org.hibernate.Query;
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14
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15 import java.util.ArrayList;
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16 import java.util.HashMap;
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17 import java.util.List;
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18 import java.util.Map;
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19
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20 public class ImportWst
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21 {
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22 private static Logger logger = Logger.getLogger(ImportWst.class);
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23
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24 protected String description;
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25
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26 protected Integer kind;
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27
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28 //protected Map<String, ImportWstColumn> columns;
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29 protected List<ImportWstColumn> columns;
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31 protected Map<WstColumnValueKey, WstColumnValue> wstCache;
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32
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33 protected Wst peer;
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34
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35 public ImportWst() {
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36 kind = 0;
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37 columns = new ArrayList<ImportWstColumn>();
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38
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39 // This cache is used to avoid db queries for each WstColumnValue later
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40 wstCache = getWstColumnValueCache();
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41 }
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42
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43 public ImportWst(String description) {
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44 this();
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45 this.description = description;
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46 }
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47
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48 public String getDescription() {
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49 return description;
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50 }
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51
482
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52 public Integer getKind() {
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53 return kind;
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54 }
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55
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56 public void setKind(Integer kind) {
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57 this.kind = kind;
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58 }
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59
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60
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61 public void setDescription(String description) {
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62 this.description = description;
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63 }
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64
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65 public void setNumberColumns(int numColumns) {
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66 for (int i = 0; i < numColumns; ++i) {
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67 columns.add(new ImportWstColumn(this, null, null, i, wstCache));
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68 }
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69 }
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70
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71 public int getNumberColumns() {
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72 return columns.size();
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73 }
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74
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75 public ImportWstColumn getColumn(int index) {
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76 return columns.get(index);
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77 }
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78
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79 public void storeDependencies(River river) {
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80 Wst wst = getPeer(river);
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81
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82 for (ImportWstColumn column: columns) {
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83 column.storeDependencies(river);
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84 }
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85 }
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86
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87
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88 public Map<WstColumnValueKey, WstColumnValue> getWstColumnValueCache() {
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89 SessionFactory sessionFactory =
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90 SessionFactoryProvider.createSessionFactory();
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91
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92 Session session = sessionFactory.openSession();
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93
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94 Importer.sessionHolder.set(session);
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95
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96 try {
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97 Query query = session.createQuery("from WstColumnValue");
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98
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99 List<WstColumnValue> values = query.list();
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100 Map<WstColumnValueKey, WstColumnValue> cache =
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101 new HashMap<WstColumnValueKey, WstColumnValue>();
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102
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103 for (WstColumnValue value: values) {
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104 cache.put(
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105 new WstColumnValueKey(value),
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106 value);
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107 }
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108
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109 logger.info("++++++++++++++++++++++++++++++++++++++++++++++++++++");
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110 logger.info(cache.size() + " WstColumnValue objects in WST cache.");
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111 logger.info("++++++++++++++++++++++++++++++++++++++++++++++++++++");
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112
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113 return cache;
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114 }
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115 finally {
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116 session.close();
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117 Importer.sessionHolder.remove();
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118 }
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119 }
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120
201
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121 public Wst getPeer(River river) {
196
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122 if (peer == null) {
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123 Session session = Importer.sessionHolder.get();
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124 Query query = session.createQuery(
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125 "from Wst where " +
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126 "river=:river and description=:description and kind=:kind");
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127 query.setParameter("river", river);
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128 query.setParameter("description", description);
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129 query.setParameter("kind", kind);
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130 List<Wst> wsts = query.list();
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131 if (wsts.isEmpty()) {
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132 peer = new Wst(river, description, kind);
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133 session.save(peer);
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134 }
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135 else {
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136 peer = wsts.get(0);
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137 }
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138
196
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139 }
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140 return peer;
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141 }
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142 }
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143 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org