Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportSQRelation.java @ 5844:4dd33b86dc61

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Added header to river backend.
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 26 Apr 2013 08:25:41 +0200
parents 5aa05a7a34b7
children 4c3ccf2b0304
rev   line source
5844
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Sascha L. Teichmann <teichmann@intevation.de>
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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.River;
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22 import org.dive4elements.river.model.SQRelation;
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23 import org.dive4elements.river.model.TimeInterval;
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24
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25
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26 public class ImportSQRelation {
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27
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28 private static Logger log = Logger.getLogger(ImportSQRelation.class);
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29
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30 private ImportTimeInterval timeInterval;
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31
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32 private String description;
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33
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34 private List<ImportSQRelationValue> values;
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35
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36 private SQRelation peer;
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37
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38 public ImportSQRelation() {
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39 this.values = new ArrayList<ImportSQRelationValue>();
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40 }
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41
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42 public void storeDependencies(River river) {
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43 log.info("store dependencies");
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44
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45 SQRelation peer = getPeer(river);
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46
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47 if (peer != null) {
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48 int count = 0;
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49
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50 for (ImportSQRelationValue value : values) {
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51 try {
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52 value.storeDependencies(peer);
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53 count++;
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54 }
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55 catch (SQLException sqle) {
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56 log.warn("ISQ: Unable to store sq relation value.", sqle);
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57 }
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58 catch (ConstraintViolationException cve) {
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59 log.warn("ISQ: Unable to store sq relation value.", cve);
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60 }
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61 }
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62
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63 log.info("stored " + count + " sq relation values.");
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64 }
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65 }
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66
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67 public SQRelation getPeer(River river) {
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68 log.debug("getPeer()");
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69
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70 if (peer == null) {
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71 TimeInterval timeInter = timeInterval.getPeer();
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72
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73 if (timeInter == null) {
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74 log.warn("ISQ: Cannot determine sq relation without time interval");
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75 return null;
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76 }
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77
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78 Session session = ImporterSession.getInstance()
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79 .getDatabaseSession();
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80
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81 Query query = session
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82 .createQuery("FROM SQRelation WHERE river=:river AND timeInterval=:timeInter");
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83
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84 query.setParameter("river", river);
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85 query.setParameter("timeInter", timeInter);
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86
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87 List<SQRelation> sq = query.list();
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88
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89 if (sq.isEmpty()) {
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90 log.info("create new SQ relation '" + description + "'");
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91
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92 peer = new SQRelation(river, timeInter, description);
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93 session.save(peer);
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94 }
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95 else {
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96 peer = sq.get(0);
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97 }
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98 }
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99
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100 return peer;
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101 }
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102
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103 public void setDescription(String description) {
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104 this.description = description;
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105 }
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106
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107 public void setTimeInterval(ImportTimeInterval timeInterval) {
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108 this.timeInterval = timeInterval;
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109 }
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110
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111 public void addValue(ImportSQRelationValue value) {
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112 if (value != null) {
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113 this.values.add(value);
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114 }
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115 }
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116 }
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117 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org