Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportFlowVelocityMeasurement.java @ 2832:ac5bd90697c1

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Added new parser for flow velocity measurements and fixed some smaller bugs while importing flow velocity data. flys-backend/trunk@4250 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 17 Apr 2012 13:00:04 +0000
parents 8fe9c6584b93
children a5b003595d6c
rev   line source
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8fe9c6584b93 Added importer classes used during the import process of flow velocity measurements.
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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.ArrayList;
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5 import java.util.List;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import org.hibernate.Session;
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10 import org.hibernate.Query;
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11 import org.hibernate.exception.ConstraintViolationException;
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12
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13 import de.intevation.flys.model.FlowVelocityMeasurement;
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14 import de.intevation.flys.model.River;
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15
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16
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17 public class ImportFlowVelocityMeasurement {
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18
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19 private static final Logger log =
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20 Logger.getLogger(ImportFlowVelocityMeasurement.class);
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21
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22
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23 private String description;
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24
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25 private List<ImportFlowVelocityMeasurementValue> values;
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26
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27 private FlowVelocityMeasurement peer;
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28
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29
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30 public ImportFlowVelocityMeasurement() {
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31 this(null);
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32 }
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33
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34
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35 public ImportFlowVelocityMeasurement(String description) {
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36 this.description = description;
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37 this.values = new ArrayList<ImportFlowVelocityMeasurementValue>();
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38 }
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39
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40
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41 public void setDescription(String description) {
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42 this.description = description;
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43 }
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44
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45
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46 public void addValue(ImportFlowVelocityMeasurementValue value) {
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47 this.values.add(value);
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48 }
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49
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50
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51 public void storeDependencies(River river)
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52 throws SQLException, ConstraintViolationException
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53 {
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54 log.debug("store dependencies");
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55
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56 FlowVelocityMeasurement peer = getPeer(river);
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57
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58 for (ImportFlowVelocityMeasurementValue value: values) {
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59 value.storeDependencies(peer);
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60 }
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61 }
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62
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63
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64 public FlowVelocityMeasurement getPeer(River river) {
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65 if (peer == null) {
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66 Session session = ImporterSession.getInstance().getDatabaseSession();
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67
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68 Query query = session.createQuery(
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69 "from FlowVelocityMeasurement where " +
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70 " river=:river and " +
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71 " description=:description"
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72 );
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73
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74 query.setParameter("river", river);
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75 query.setParameter("description", description);
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76
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77 List<FlowVelocityMeasurement> measurement = query.list();
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78
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79 if (measurement.isEmpty()) {
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80 peer = new FlowVelocityMeasurement(river, description);
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81
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82 session.save(peer);
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83 }
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84 else {
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85 peer = measurement.get(0);
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86 }
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87 }
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88
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89 return peer;
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90 }
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91 }
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92 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org