Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/IdValueKey.java @ 498:8ab04de0b879
Importer: Cache the discharge table values, too.
flys-backend/trunk@1852 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Sun, 08 May 2011 17:55:49 +0000 |
| parents | |
| children | d50cd3a632e0 |
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| 497:67fd63e4ef66 | 498:8ab04de0b879 |
|---|---|
| 1 package de.intevation.flys.importer; | |
| 2 | |
| 3 import de.intevation.flys.model.WstColumnValue; | |
| 4 import de.intevation.flys.model.DischargeTableValue; | |
| 5 | |
| 6 | |
| 7 public class IdValueKey { | |
| 8 | |
| 9 protected int id; | |
| 10 protected double a; | |
| 11 protected double b; | |
| 12 | |
| 13 | |
| 14 public IdValueKey(WstColumnValue value) { | |
| 15 this.id = value.getWstColumn().getId(); | |
| 16 this.a = value.getPosition().doubleValue(); | |
| 17 this.b = value.getW().doubleValue(); | |
| 18 } | |
| 19 | |
| 20 public IdValueKey(DischargeTableValue value) { | |
| 21 this.id = value.getDischargeTable().getId(); | |
| 22 this.a = value.getQ().doubleValue(); | |
| 23 this.b = value.getW().doubleValue(); | |
| 24 } | |
| 25 | |
| 26 | |
| 27 public IdValueKey(int id, double a, double b) { | |
| 28 this.id = id; | |
| 29 this.a = a; | |
| 30 this.b = b; | |
| 31 } | |
| 32 | |
| 33 private static final int hashDouble(double d) { | |
| 34 long v = Double.doubleToLongBits(d); | |
| 35 return (int)(v^(v>>>32)); | |
| 36 } | |
| 37 | |
| 38 public int hashCode() { | |
| 39 int a = id; | |
| 40 int b = hashDouble(a); | |
| 41 int c = hashDouble(b); | |
| 42 | |
| 43 return (a | (b << 10) | (c << 20)); | |
| 44 } | |
| 45 | |
| 46 | |
| 47 public boolean equals(Object obj) { | |
| 48 if (!(obj instanceof IdValueKey)) { | |
| 49 return false; | |
| 50 } | |
| 51 | |
| 52 IdValueKey other = (IdValueKey) obj; | |
| 53 | |
| 54 return id == other.id | |
| 55 && a == other.a | |
| 56 && b == other.b; | |
| 57 } | |
| 58 } | |
| 59 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |