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> |
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date | Tue, 17 Apr 2012 12:00:13 +0000 |
parents | |
children | ac5bd90697c1 |
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2830:6faa47ca1fee | 2831:8fe9c6584b93 |
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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 : |