Mercurial > dive4elements > river
comparison 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> |
|---|---|
| date | Tue, 17 Apr 2012 12:00:13 +0000 |
| parents | |
| children | ac5bd90697c1 |
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| 2830:6faa47ca1fee | 2831:8fe9c6584b93 |
|---|---|
| 1 package de.intevation.flys.importer; | |
| 2 | |
| 3 import java.sql.SQLException; | |
| 4 import java.util.List; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 | |
| 8 import org.hibernate.Session; | |
| 9 import org.hibernate.Query; | |
| 10 import org.hibernate.exception.ConstraintViolationException; | |
| 11 | |
| 12 import de.intevation.flys.model.FlowVelocityMeasurement; | |
| 13 import de.intevation.flys.model.River; | |
| 14 | |
| 15 | |
| 16 public class ImportFlowVelocityMeasurement { | |
| 17 | |
| 18 private static final Logger log = | |
| 19 Logger.getLogger(ImportFlowVelocityMeasurement.class); | |
| 20 | |
| 21 | |
| 22 private String description; | |
| 23 | |
| 24 private List<ImportFlowVelocityMeasurementValue> values; | |
| 25 | |
| 26 private FlowVelocityMeasurement peer; | |
| 27 | |
| 28 | |
| 29 public ImportFlowVelocityMeasurement() { | |
| 30 this(null); | |
| 31 } | |
| 32 | |
| 33 | |
| 34 public ImportFlowVelocityMeasurement(String description) { | |
| 35 this.description = description; | |
| 36 } | |
| 37 | |
| 38 | |
| 39 public void storeDependencies(River river) | |
| 40 throws SQLException, ConstraintViolationException | |
| 41 { | |
| 42 log.debug("store dependencies"); | |
| 43 | |
| 44 FlowVelocityMeasurement peer = getPeer(river); | |
| 45 | |
| 46 for (ImportFlowVelocityMeasurementValue value: values) { | |
| 47 value.storeDependencies(peer); | |
| 48 } | |
| 49 } | |
| 50 | |
| 51 | |
| 52 public FlowVelocityMeasurement getPeer(River river) { | |
| 53 if (peer == null) { | |
| 54 Session session = ImporterSession.getInstance().getDatabaseSession(); | |
| 55 | |
| 56 Query query = session.createQuery( | |
| 57 "from FlowVelocityMeasurement where " + | |
| 58 " river:=river and " + | |
| 59 " description:=description" | |
| 60 ); | |
| 61 | |
| 62 query.setParameter("river", river); | |
| 63 query.setParameter("description", description); | |
| 64 | |
| 65 List<FlowVelocityMeasurement> measurement = query.list(); | |
| 66 | |
| 67 if (measurement.isEmpty()) { | |
| 68 peer = new FlowVelocityMeasurement(river, description); | |
| 69 | |
| 70 session.save(peer); | |
| 71 } | |
| 72 else { | |
| 73 peer = measurement.get(0); | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 return peer; | |
| 78 } | |
| 79 } | |
| 80 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |