Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevelDifferenceColumn.java @ 4777:34398f424cfd
W80Parser: Return null if no year set to behave like other parsers and avoid
building a (wrong) TimeSpan object.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 07 Jan 2013 11:55:46 +0100 |
parents | ed13816047b3 |
children | 8320427ecd5c |
rev | line source |
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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.WaterlevelDifference; |
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12 import de.intevation.flys.model.WaterlevelDifferenceColumn; |
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13 |
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14 |
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15 public class ImportWaterlevelDifferenceColumn { |
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16 |
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17 private static final Logger log = |
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18 Logger.getLogger(ImportWaterlevelDifferenceColumn.class); |
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19 |
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20 |
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21 private String description; |
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22 |
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23 private List<ImportWaterlevelDifferenceValue> values; |
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24 |
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25 private WaterlevelDifferenceColumn peer; |
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26 |
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27 |
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28 public ImportWaterlevelDifferenceColumn(String description) { |
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29 this.values = new ArrayList<ImportWaterlevelDifferenceValue>(); |
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30 |
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31 this.description = description; |
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32 } |
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33 |
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34 |
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35 public void addValue(ImportWaterlevelDifferenceValue value) { |
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36 this.values.add(value); |
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37 } |
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38 |
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39 |
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40 public void storeDependencies(WaterlevelDifference difference) { |
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41 log.info("store dependencies"); |
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42 |
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43 WaterlevelDifferenceColumn peer = getPeer(difference); |
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44 |
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45 int i = 0; |
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46 |
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47 for (ImportWaterlevelDifferenceValue value: values) { |
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48 value.storeDependencies(peer); |
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49 i++; |
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50 } |
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51 |
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52 log.info("stored " + i + " waterlevel difference values"); |
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53 } |
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54 |
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55 |
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56 public WaterlevelDifferenceColumn getPeer(WaterlevelDifference diff) { |
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57 if (peer == null) { |
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58 Session session = ImporterSession.getInstance().getDatabaseSession(); |
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59 Query query = session.createQuery( |
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60 "from WaterlevelDifferenceColumn where " + |
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61 " difference=:difference and " + |
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62 " description=:description" |
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63 ); |
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64 |
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65 query.setParameter("difference", diff); |
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66 query.setParameter("description", description); |
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67 |
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68 List<WaterlevelDifferenceColumn> cols = query.list(); |
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69 if (cols.isEmpty()) { |
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70 peer = new WaterlevelDifferenceColumn(diff, description); |
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71 session.save(peer); |
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72 } |
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73 else { |
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74 peer = cols.get(0); |
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75 } |
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76 } |
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77 |
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78 return peer; |
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79 } |
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80 } |
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |