Mercurial > dive4elements > river
comparison backend/src/main/java/org/dive4elements/river/importer/ImportGrainFraction.java @ 8027:1e327d86c898
Load grain fractions from database only. Do not store new ones.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 10 Jul 2014 16:11:55 +0200 |
| parents | 4c3ccf2b0304 |
| children | fd3a24336e6a |
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| 8026:4b3054edbbaf | 8027:1e327d86c898 |
|---|---|
| 6 * documentation coming with Dive4Elements River for details. | 6 * documentation coming with Dive4Elements River for details. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 package org.dive4elements.river.importer; | 9 package org.dive4elements.river.importer; |
| 10 | 10 |
| 11 import java.util.List; | |
| 12 | |
| 13 import org.apache.log4j.Logger; | |
| 14 | |
| 15 import org.hibernate.Session; | |
| 16 import org.hibernate.Query; | |
| 17 | |
| 18 import org.dive4elements.river.model.GrainFraction; | 11 import org.dive4elements.river.model.GrainFraction; |
| 19 | 12 |
| 20 | 13 |
| 21 public class ImportGrainFraction { | 14 public class ImportGrainFraction { |
| 22 | 15 |
| 23 private static final Logger log = | |
| 24 Logger.getLogger(ImportGrainFraction.class); | |
| 25 | |
| 26 private String name; | 16 private String name; |
| 27 | 17 |
| 28 private Double lower; | 18 private Double lower; |
| 29 private Double upper; | 19 private Double upper; |
| 30 | |
| 31 private GrainFraction peer; | |
| 32 | |
| 33 | 20 |
| 34 public ImportGrainFraction(String name) { | 21 public ImportGrainFraction(String name) { |
| 35 this.name = name; | 22 this.name = name; |
| 36 } | 23 } |
| 37 | 24 |
| 46 this.upper = upper; | 33 this.upper = upper; |
| 47 } | 34 } |
| 48 | 35 |
| 49 | 36 |
| 50 public void storeDependencies() { | 37 public void storeDependencies() { |
| 51 log.debug("store dependencies"); | 38 // Nothing to store because its prefilled in schema. |
| 52 | |
| 53 getPeer(); | |
| 54 } | 39 } |
| 55 | 40 |
| 56 | 41 |
| 57 public GrainFraction getPeer() { | 42 public GrainFraction getPeer() { |
| 58 log.debug("get peer"); | 43 return ImporterSession.getInstance().getGrainFraction(name); |
| 59 | |
| 60 if (peer == null) { | |
| 61 Session session = ImporterSession.getInstance().getDatabaseSession(); | |
| 62 Query query = session.createQuery( | |
| 63 "from GrainFraction where " + | |
| 64 " name=:name and " + | |
| 65 " lower=:lower and " + | |
| 66 " upper=:upper" | |
| 67 ); | |
| 68 | |
| 69 query.setParameter("name", name); | |
| 70 query.setParameter("lower", lower); | |
| 71 query.setParameter("upper", upper); | |
| 72 | |
| 73 List<GrainFraction> fractions = query.list(); | |
| 74 if (fractions.isEmpty()) { | |
| 75 log.info("create new GrainFraction"); | |
| 76 | |
| 77 peer = new GrainFraction(name, lower, upper); | |
| 78 session.save(peer); | |
| 79 } | |
| 80 else { | |
| 81 peer = fractions.get(0); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 return peer; | |
| 86 } | 44 } |
| 87 } | 45 } |
| 88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 46 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |