Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/ImportSQRelation.java @ 8927:04ad2cfce559
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author | gernotbelger |
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date | Thu, 01 Mar 2018 17:45:49 +0100 |
parents | 5e38e2924c07 |
children | 0a5239a1e46e |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.importer; |
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10 |
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11 import java.sql.SQLException; |
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12 import java.util.ArrayList; |
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13 import java.util.List; |
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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 import org.hibernate.Query; |
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18 import org.hibernate.Session; |
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19 import org.hibernate.exception.ConstraintViolationException; |
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20 |
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21 import org.dive4elements.river.model.SQRelation; |
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22 import org.dive4elements.river.model.TimeInterval; |
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23 |
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24 |
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25 public class ImportSQRelation { |
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26 |
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27 private static Logger log = Logger.getLogger(ImportSQRelation.class); |
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28 |
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29 private ImportTimeInterval timeInterval; |
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30 |
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31 private String description; |
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32 |
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33 private List<ImportSQRelationValue> values; |
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34 |
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35 private SQRelation peer; |
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36 |
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37 public ImportSQRelation() { |
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38 this.values = new ArrayList<ImportSQRelationValue>(); |
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39 } |
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40 |
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41 public void storeDependencies() { |
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42 SQRelation peer = getPeer(); |
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43 |
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44 if (peer != null) { |
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45 int count = 0; |
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46 |
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47 for (ImportSQRelationValue value : values) { |
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48 try { |
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49 value.storeDependencies(peer); |
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50 count++; |
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51 } |
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52 catch (SQLException sqle) { |
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53 log.warn("ISQ: Unable to store sq relation value.", sqle); |
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54 } |
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55 catch (ConstraintViolationException cve) { |
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56 log.warn("ISQ: Unable to store sq relation value.", cve); |
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57 } |
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58 } |
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59 |
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60 log.info("stored " + count + " sq relation values."); |
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61 } |
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62 } |
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63 |
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64 public SQRelation getPeer() { |
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65 if (peer == null) { |
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66 TimeInterval timeInter = timeInterval.getPeer(); |
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67 |
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68 if (timeInter == null) { |
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70 "ISQ: Cannot determine sq relation without time interval"); | |
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71 return null; |
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72 } |
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73 |
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74 Session session = ImporterSession.getInstance() |
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75 .getDatabaseSession(); |
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76 |
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77 Query query = session.createQuery( |
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78 "from SQRelation where " + |
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79 " description = :description and " + |
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80 " timeInterval=:timeInter"); |
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81 |
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82 query.setParameter("description", description); |
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83 query.setParameter("timeInter", timeInter); |
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84 |
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85 List<SQRelation> sq = query.list(); |
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86 |
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87 if (sq.isEmpty()) { |
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88 log.info("create new SQ relation '" + description + "'"); |
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89 |
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90 peer = new SQRelation(timeInter, description); |
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91 session.save(peer); |
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92 } |
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93 else { |
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94 peer = sq.get(0); |
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95 } |
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96 } |
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97 |
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98 return peer; |
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99 } |
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100 |
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101 public void setDescription(String description) { |
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102 this.description = description; |
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103 } |
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104 |
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105 public void setTimeInterval(ImportTimeInterval timeInterval) { |
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106 this.timeInterval = timeInterval; |
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107 } |
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108 |
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109 public void addValue(ImportSQRelationValue value) { |
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110 if (value != null) { |
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111 this.values.add(value); |
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112 } |
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113 } |
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114 } |
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115 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |