Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportFlowVelocityMeasurement.java @ 2831:8fe9c6584b93
Added importer classes used during the import process of flow velocity measurements.
flys-backend/trunk@4249 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 17 Apr 2012 12:00:13 +0000 |
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children | ac5bd90697c1 |
rev | line source |
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2831
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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.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.Session; |
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9 import org.hibernate.Query; |
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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.FlowVelocityMeasurement; |
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13 import de.intevation.flys.model.River; |
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14 |
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15 |
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16 public class ImportFlowVelocityMeasurement { |
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17 |
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18 private static final Logger log = |
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19 Logger.getLogger(ImportFlowVelocityMeasurement.class); |
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20 |
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21 |
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22 private String description; |
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23 |
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24 private List<ImportFlowVelocityMeasurementValue> values; |
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25 |
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26 private FlowVelocityMeasurement peer; |
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27 |
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28 |
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29 public ImportFlowVelocityMeasurement() { |
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30 this(null); |
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31 } |
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32 |
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33 |
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34 public ImportFlowVelocityMeasurement(String description) { |
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35 this.description = description; |
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36 } |
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37 |
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38 |
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39 public void storeDependencies(River river) |
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40 throws SQLException, ConstraintViolationException |
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41 { |
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42 log.debug("store dependencies"); |
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43 |
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44 FlowVelocityMeasurement peer = getPeer(river); |
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45 |
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46 for (ImportFlowVelocityMeasurementValue value: values) { |
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47 value.storeDependencies(peer); |
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48 } |
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49 } |
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50 |
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51 |
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52 public FlowVelocityMeasurement getPeer(River river) { |
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53 if (peer == null) { |
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54 Session session = ImporterSession.getInstance().getDatabaseSession(); |
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55 |
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56 Query query = session.createQuery( |
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57 "from FlowVelocityMeasurement where " + |
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58 " river:=river and " + |
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59 " description:=description" |
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60 ); |
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61 |
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62 query.setParameter("river", river); |
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63 query.setParameter("description", description); |
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64 |
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65 List<FlowVelocityMeasurement> measurement = query.list(); |
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66 |
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67 if (measurement.isEmpty()) { |
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68 peer = new FlowVelocityMeasurement(river, description); |
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69 |
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70 session.save(peer); |
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71 } |
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72 else { |
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73 peer = measurement.get(0); |
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74 } |
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75 } |
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76 |
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77 return peer; |
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78 } |
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79 } |
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80 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |