Mercurial > dive4elements > river
comparison backend/src/main/java/org/dive4elements/river/importer/ImportOfficialLine.java @ 6344:bc28de00e423
Backend: Added importer model for official lines.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Fri, 14 Jun 2013 17:56:52 +0200 |
| parents | |
| children | 75c483450c96 |
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| 6343:588e99129883 | 6344:bc28de00e423 |
|---|---|
| 1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by Intevation GmbH | |
| 3 * | |
| 4 * This file is Free Software under the GNU AGPL (>=v3) | |
| 5 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 6 * documentation coming with Dive4Elements River for details. | |
| 7 */ | |
| 8 | |
| 9 package org.dive4elements.river.importer; | |
| 10 | |
| 11 import java.util.List; | |
| 12 | |
| 13 import org.dive4elements.river.model.NamedMainValue; | |
| 14 import org.dive4elements.river.model.OfficialLine; | |
| 15 import org.dive4elements.river.model.River; | |
| 16 import org.dive4elements.river.model.WstColumn; | |
| 17 import org.hibernate.Query; | |
| 18 import org.hibernate.Session; | |
| 19 | |
| 20 public class ImportOfficialLine | |
| 21 { | |
| 22 protected String name; | |
| 23 protected ImportWstColumn wstColumn; | |
| 24 | |
| 25 protected OfficialLine peer; | |
| 26 | |
| 27 public ImportOfficialLine() { | |
| 28 } | |
| 29 | |
| 30 public ImportOfficialLine(String name, ImportWstColumn wstColumn) { | |
| 31 this.name = name; | |
| 32 this.wstColumn = wstColumn; | |
| 33 } | |
| 34 | |
| 35 public OfficialLine getPeer(River river) { | |
| 36 if (peer == null) { | |
| 37 // XXX: This is a bit odd. We do not have not enough infos here | |
| 38 // to create a new NamedMainValue. So we just look for existing ones. | |
| 39 Session session = ImporterSession.getInstance().getDatabaseSession(); | |
| 40 NamedMainValue nmv = NamedMainValue.fetchByName(name, session); | |
| 41 if (nmv == null) { | |
| 42 // failed -> failed to create OfficialLine | |
| 43 return null; | |
| 44 } | |
| 45 WstColumn wc = wstColumn.getPeer(river); | |
| 46 Query query = session.createQuery( | |
| 47 "from OfficialLine " + | |
| 48 "where namedMainValue = :nmv and wstColumn = :wc"); | |
| 49 query.setParameter("nmv", nmv); | |
| 50 query.setParameter("wc", wc); | |
| 51 List<OfficialLine> lines = query.list(); | |
| 52 if (lines.isEmpty()) { | |
| 53 peer = new OfficialLine(wc, nmv); | |
| 54 session.save(peer); | |
| 55 } | |
| 56 else { | |
| 57 peer = lines.get(0); | |
| 58 } | |
| 59 | |
| 60 } | |
| 61 return peer; | |
| 62 } | |
| 63 } | |
| 64 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | |
| 65 |