Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/ImportWaterlevelDifferenceColumn.java @ 2850:a1402c16152f
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 |
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| 2849:c36106f15ac9 | 2850:a1402c16152f |
|---|---|
| 1 package de.intevation.flys.importer; | |
| 2 | |
| 3 import java.util.ArrayList; | |
| 4 import java.util.List; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 | |
| 8 import org.hibernate.Session; | |
| 9 import org.hibernate.Query; | |
| 10 | |
| 11 import de.intevation.flys.model.River; | |
| 12 import de.intevation.flys.model.WaterlevelDifference; | |
| 13 import de.intevation.flys.model.WaterlevelDifferenceColumn; | |
| 14 | |
| 15 | |
| 16 public class ImportWaterlevelDifferenceColumn { | |
| 17 | |
| 18 private static final Logger log = | |
| 19 Logger.getLogger(ImportWaterlevelDifferenceColumn.class); | |
| 20 | |
| 21 | |
| 22 private String description; | |
| 23 | |
| 24 private List<ImportWaterlevelDifferenceValue> values; | |
| 25 | |
| 26 private WaterlevelDifferenceColumn peer; | |
| 27 | |
| 28 | |
| 29 public ImportWaterlevelDifferenceColumn(String description) { | |
| 30 this.values = new ArrayList<ImportWaterlevelDifferenceValue>(); | |
| 31 | |
| 32 this.description = description; | |
| 33 } | |
| 34 | |
| 35 | |
| 36 public void addValue(ImportWaterlevelDifferenceValue value) { | |
| 37 this.values.add(value); | |
| 38 } | |
| 39 | |
| 40 | |
| 41 public void storeDependencies(WaterlevelDifference difference) { | |
| 42 log.info("store dependencies"); | |
| 43 | |
| 44 WaterlevelDifferenceColumn peer = getPeer(difference); | |
| 45 | |
| 46 int i = 0; | |
| 47 | |
| 48 for (ImportWaterlevelDifferenceValue value: values) { | |
| 49 value.storeDependencies(peer); | |
| 50 i++; | |
| 51 } | |
| 52 | |
| 53 log.info("stored " + i + " waterlevel difference values"); | |
| 54 } | |
| 55 | |
| 56 | |
| 57 public WaterlevelDifferenceColumn getPeer(WaterlevelDifference diff) { | |
| 58 if (peer == null) { | |
| 59 Session session = ImporterSession.getInstance().getDatabaseSession(); | |
| 60 Query query = session.createQuery( | |
| 61 "from WaterlevelDifferenceColumn where " + | |
| 62 " difference=:difference and " + | |
| 63 " description=:description" | |
| 64 ); | |
| 65 | |
| 66 query.setParameter("difference", diff); | |
| 67 query.setParameter("description", description); | |
| 68 | |
| 69 List<WaterlevelDifferenceColumn> cols = query.list(); | |
| 70 if (cols.isEmpty()) { | |
| 71 peer = new WaterlevelDifferenceColumn(diff, description); | |
| 72 session.save(peer); | |
| 73 } | |
| 74 else { | |
| 75 peer = cols.get(0); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 return peer; | |
| 80 } | |
| 81 } | |
| 82 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |