Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/ImportRange.java @ 500:d50cd3a632e0
Importer: Use BigDecimals in hashing to prevent numerical problems. Cache ranges globally, too.
flys-backend/trunk@1854 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Sun, 08 May 2011 22:41:07 +0000 |
| parents | cce054f27dac |
| children | 2c99995395f5 |
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| 499:cce054f27dac | 500:d50cd3a632e0 |
|---|---|
| 1 package de.intevation.flys.importer; | 1 package de.intevation.flys.importer; |
| 2 | 2 |
| 3 import de.intevation.flys.model.Range; | 3 import de.intevation.flys.model.Range; |
| 4 import de.intevation.flys.model.River; | 4 import de.intevation.flys.model.River; |
| 5 | |
| 6 import org.hibernate.Session; | |
| 7 import org.hibernate.Query; | |
| 8 | |
| 9 import java.util.List; | |
| 10 | 5 |
| 11 import java.math.BigDecimal; | 6 import java.math.BigDecimal; |
| 12 | 7 |
| 13 import org.apache.log4j.Logger; | 8 import org.apache.log4j.Logger; |
| 14 | 9 |
| 65 this.b = b; | 60 this.b = b; |
| 66 } | 61 } |
| 67 | 62 |
| 68 public Range getPeer(River river) { | 63 public Range getPeer(River river) { |
| 69 if (peer == null) { | 64 if (peer == null) { |
| 70 Session session = ImporterSession.getInstance().getDatabaseSession(); | 65 peer = ImporterSession.getInstance().getRange(river, a, b); |
| 71 Query query = session.createQuery( | |
| 72 "from Range where a=:a and b=:b and river=:river"); | |
| 73 query.setParameter("a", a); | |
| 74 query.setParameter("b", b); | |
| 75 query.setParameter("river", river); | |
| 76 //log.debug("a: " + a + " b: " + b + " river.id: " + river.getId()); | |
| 77 List<Range> ranges = query.list(); | |
| 78 if (ranges.isEmpty()) { | |
| 79 peer = new Range(a, b, river); | |
| 80 session.save(peer); | |
| 81 } | |
| 82 else { | |
| 83 peer = ranges.get(0); | |
| 84 } | |
| 85 } | 66 } |
| 86 return peer; | 67 return peer; |
| 87 } | 68 } |
| 88 } | 69 } |
| 89 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 70 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |