Mercurial > dive4elements > river
diff flys-backend/src/main/java/de/intevation/flys/model/River.java @ 764:e09f00ecb915
river model: Added method to find gauge by a position lying in its range.
flys-backend/trunk@2160 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Sat, 18 Jun 2011 20:13:31 +0000 |
| parents | c19d4c643526 |
| children | 5572d051347e |
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--- a/flys-backend/src/main/java/de/intevation/flys/model/River.java Wed Jun 15 09:22:00 2011 +0000 +++ b/flys-backend/src/main/java/de/intevation/flys/model/River.java Sat Jun 18 20:13:31 2011 +0000 @@ -116,6 +116,17 @@ return query.list(); } + public Gauge determineGaugeByPosition(double p) { + Session session = SessionHolder.HOLDER.get(); + Query query = session.createQuery( + "from Gauge where river=:river " + + "and :p between range.a and range.b"); + query.setParameter("river", this); + query.setParameter("p", new BigDecimal(p)); + List<Gauge> gauges = query.list(); + return gauges.isEmpty() ? null : gauges.get(0); + } + public Gauge determineGaugeByStation(double a, double b) { if (a > b) { double t = a; a = b; b = t; }