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annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevelDifferenceValue.java @ 2850:a1402c16152f

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Added a parser and importer classes used to import waterlevel differences. flys-backend/trunk@4304 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 26 Apr 2012 09:46:32 +0000
parents
children ed13816047b3
rev   line source
2850
a1402c16152f Added a parser and importer classes used to import waterlevel differences.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.importer;
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2
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3 import java.util.ArrayList;
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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
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11 import de.intevation.flys.model.WaterlevelDifferenceColumn;
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12 import de.intevation.flys.model.WaterlevelDifferenceValue;
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13
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14
a1402c16152f Added a parser and importer classes used to import waterlevel differences.
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15 public class ImportWaterlevelDifferenceValue {
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16
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17 private static final Logger log =
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18 Logger.getLogger(ImportWaterlevelDifferenceValue.class);
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19
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20
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21 private Double station;
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22 private Double value;
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23
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24 private WaterlevelDifferenceValue peer;
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25
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26
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27 public ImportWaterlevelDifferenceValue(Double station, Double value) {
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28 this.station = station;
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29 this.value = value;
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30 }
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31
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32
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33 public void storeDependencies(WaterlevelDifferenceColumn column) {
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34 getPeer(column);
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35 }
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36
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37
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38 public WaterlevelDifferenceValue getPeer(WaterlevelDifferenceColumn column) {
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39 if (peer == null) {
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40 Session session = ImporterSession.getInstance().getDatabaseSession();
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41 Query query = session.createQuery(
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42 "from WaterlevelDifferenceValue where " +
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43 " column=:column and " +
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44 " station=:station and " +
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45 " value=:value"
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46 );
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47
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48 query.setParameter("column", column);
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49 query.setParameter("station", station);
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50 query.setParameter("value", value);
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51
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52 List<WaterlevelDifferenceValue> values = query.list();
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53 if (values.isEmpty()) {
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54 peer = new WaterlevelDifferenceValue(column, station, value);
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55 session.save(peer);
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56 }
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57 else {
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58 peer = values.get(0);
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59 }
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60 }
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61
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62 return peer;
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63 }
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64 }
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65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org