Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/GaugesFactory.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/GaugesFactory.java@bd047b71ab37 |
| children | 4897a58c8746 |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.artifacts.model; | |
| 2 | |
| 3 import java.util.List; | |
| 4 import java.util.ArrayList; | |
| 5 | |
| 6 import org.dive4elements.river.backend.SessionHolder; | |
| 7 import org.dive4elements.river.model.River; | |
| 8 import org.dive4elements.river.model.Gauge; | |
| 9 import org.dive4elements.river.model.Range; | |
| 10 | |
| 11 import org.hibernate.Session; | |
| 12 import org.hibernate.Query; | |
| 13 | |
| 14 public class GaugesFactory | |
| 15 { | |
| 16 public static List<Gauge> getGauges(River river) { | |
| 17 return getGauges(river.getName()); | |
| 18 } | |
| 19 | |
| 20 | |
| 21 public static Gauge getGauge(String gaugeName) { | |
| 22 Session session = SessionHolder.HOLDER.get(); | |
| 23 Query query = session.createQuery( | |
| 24 "from Gauge where name=:name"); | |
| 25 query.setParameter("name", gaugeName); | |
| 26 | |
| 27 List<Gauge> res = query.list(); | |
| 28 | |
| 29 return res.isEmpty() ? null : res.get(0); | |
| 30 } | |
| 31 | |
| 32 | |
| 33 public static List<Gauge> getGauges(String river) { | |
| 34 Session session = SessionHolder.HOLDER.get(); | |
| 35 Query query = session.createQuery( | |
| 36 "from Gauge where river.name=:name"); | |
| 37 query.setParameter("name", river); | |
| 38 return query.list(); | |
| 39 } | |
| 40 | |
| 41 public static List<Gauge> filterRanges( | |
| 42 List<Gauge> gauges, | |
| 43 List<double []> ranges | |
| 44 ) { | |
| 45 // XXX: Inefficent! | |
| 46 ArrayList<Range> rs = new ArrayList<Range>(); | |
| 47 for (double [] range: ranges) { | |
| 48 double a = range[0]; | |
| 49 double b = range[1]; | |
| 50 rs.add(new Range(Math.min(a, b), Math.max(a, b), null)); | |
| 51 } | |
| 52 return filter(gauges, rs); | |
| 53 } | |
| 54 | |
| 55 public static List<Gauge> filter(List<Gauge> gauges, List<Range> ranges) { | |
| 56 // TODO: Make it an HQL filter! | |
| 57 ArrayList<Gauge> out = new ArrayList<Gauge>(); | |
| 58 for (Gauge gauge: gauges) { | |
| 59 Range range = gauge.getRange(); | |
| 60 for (Range cmp: ranges) { | |
| 61 if (range.intersects(cmp)) { | |
| 62 out.add(gauge); | |
| 63 break; | |
| 64 } | |
| 65 } | |
| 66 } | |
| 67 return out; | |
| 68 } | |
| 69 } | |
| 70 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |