Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportSQRelationValue.java @ 3329:cc8fc6b29649

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Store sq relations into database after parsing. flys-backend/trunk@4647 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 13 Jun 2012 08:12:00 +0000
parents a41f279a66e2
children 13596605e81f
rev   line source
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a41f279a66e2 Added parser and import classes to import MINFO sq relations.
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1 package de.intevation.flys.importer;
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2
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3 import java.sql.SQLException;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.hibernate.Query;
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9 import org.hibernate.Session;
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10 import org.hibernate.exception.ConstraintViolationException;
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11
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12 import de.intevation.flys.model.SQRelation;
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13 import de.intevation.flys.model.SQRelationValue;
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14
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15
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16 public class ImportSQRelationValue {
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17
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18 private static Logger log = Logger.getLogger(ImportSQRelationValue.class);
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19
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20
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21 private SQRelationValue peer;
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22
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23 private String parameter;
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24 private String fraction;
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25 private String function;
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26
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27 private double km;
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28 private double a;
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29 private double b;
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30
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31
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32 public ImportSQRelationValue(
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33 String parameter,
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34 String fraction,
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35 String function,
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36 double km,
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37 double a,
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38 double b
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39 ) {
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40 this.parameter = parameter;
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41 this.fraction = fraction;
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42 this.function = function;
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43 this.km = km;
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44 this.a = a;
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45 this.b = b;
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46 }
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47
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48
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49 public void storeDependencies(SQRelation owner)
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50 throws SQLException, ConstraintViolationException
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51 {
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52 getPeer(owner);
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53 }
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54
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55
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56 public SQRelationValue getPeer(SQRelation owner) {
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57 if (peer == null) {
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58 Session session = ImporterSession.getInstance().getDatabaseSession();
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59
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60 Query query = session.createQuery(
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61 "from SQRelationValue " +
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62 " where sqRelation=:owner " +
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63 " and parameter=:parameter" +
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64 " and fraction=:fraction" +
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65 " and function=:function" +
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66 " and km=:km");
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67
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68 query.setParameter("owner", owner);
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69 query.setString("parameter", parameter);
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70 query.setString("fraction", fraction);
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71 query.setString("function", function);
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72 query.setDouble("km", km);
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73
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74 List<SQRelationValue> values = query.list();
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75
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76 if (values.isEmpty()) {
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77 peer = new SQRelationValue(
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78 owner,
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79 parameter,
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80 fraction,
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81 function,
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82 km,
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83 a,
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84 b
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85 );
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86
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87 session.save(peer);
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88 }
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89 else {
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90 peer = values.get(0);
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91 }
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92 }
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93
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94 return peer;
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95 }
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96 }
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97 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org