Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportFlowVelocityModelValue.java @ 2827:85b25e74594f

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Added temp classes used during the import process of flow velocity data. flys-backend/trunk@4244 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 17 Apr 2012 08:50:15 +0000
parents
children ac13e466a55e
rev   line source
2827
85b25e74594f Added temp classes used during the import process of flow velocity data.
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1 package de.intevation.flys.importer;
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2
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3 import java.math.BigDecimal;
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4 import java.sql.SQLException;
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5 import java.util.List;
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6
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7 import org.hibernate.Session;
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8 import org.hibernate.Query;
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9 import org.hibernate.exception.ConstraintViolationException;
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10
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11 import de.intevation.flys.model.FlowVelocityModel;
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12 import de.intevation.flys.model.FlowVelocityModelValue;
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13
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14
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15 public class ImportFlowVelocityModelValue {
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16
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17 private BigDecimal station;
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18 private BigDecimal totalChannel;
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19 private BigDecimal mainChannel;
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20 private BigDecimal shearStress;
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21
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22 private FlowVelocityModelValue peer;
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23
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24
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25 public ImportFlowVelocityModelValue(
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26 BigDecimal station,
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27 BigDecimal totalChannel,
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28 BigDecimal mainChannel,
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29 BigDecimal shearStress
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30 ) {
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31 this.station = station;
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32 this.totalChannel = totalChannel;
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33 this.mainChannel = mainChannel;
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34 this.shearStress = shearStress;
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35 }
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36
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37
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38 public void storeDependencies(FlowVelocityModel model)
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39 throws SQLException, ConstraintViolationException
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40 {
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41 getPeer(model);
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42 }
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43
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44
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45 public FlowVelocityModelValue getPeer(FlowVelocityModel model) {
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46 if (peer == null) {
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47 Session session = ImporterSession.getInstance().getDatabaseSession();
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48
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49 Query query = session.createQuery(
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50 "from FlowVelocityModelValue where " +
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51 " model:=model and " +
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52 " station=:station"
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53 );
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54
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55 query.setParameter("model", model);
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56 query.setParameter("station", station);
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57
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58 List<FlowVelocityModelValue> values = query.list();
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59
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60 if (values.isEmpty()) {
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61 peer = new FlowVelocityModelValue(
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62 model, station, totalChannel, mainChannel, shearStress);
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63
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64 session.save(peer);
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65 }
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66 else {
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67 peer = values.get(0);
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68 }
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69 }
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70
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71 return peer;
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72 }
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73 }
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74 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org