Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/model/River.java @ 757:c19d4c643526
River: add method to find gauge by its station position.
flys-backend/trunk@2090 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Wed, 08 Jun 2011 19:03:44 +0000 |
| parents | ca13926b8871 |
| children | e09f00ecb915 |
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| 756:ca13926b8871 | 757:c19d4c643526 |
|---|---|
| 114 query.setParameter("b", new BigDecimal(b)); | 114 query.setParameter("b", new BigDecimal(b)); |
| 115 | 115 |
| 116 return query.list(); | 116 return query.list(); |
| 117 } | 117 } |
| 118 | 118 |
| 119 public Gauge determineGaugeByStation(double a, double b) { | |
| 120 | |
| 121 if (a > b) { double t = a; a = b; b = t; } | |
| 122 | |
| 123 Session session = SessionHolder.HOLDER.get(); | |
| 124 | |
| 125 Query query = session.createQuery( | |
| 126 "from Gauge where river.id=:river " + | |
| 127 "and station between :a and :b"); | |
| 128 query.setParameter("river", getId()); | |
| 129 query.setParameter("a", new BigDecimal(a)); | |
| 130 query.setParameter("b", new BigDecimal(b)); | |
| 131 | |
| 132 List<Gauge> gauges = query.list(); | |
| 133 return gauges.isEmpty() ? null : gauges.get(0); | |
| 134 } | |
| 135 | |
| 119 | 136 |
| 120 /** | 137 /** |
| 121 * This method returns the first gauge that is intersected by <i>a</i> and | 138 * This method returns the first gauge that is intersected by <i>a</i> and |
| 122 * <i>b</i>, | 139 * <i>b</i>, |
| 123 * | 140 * |