Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/model/River.java @ 465:c2c3ad4fda58
Added a method to River that returns the min and max distance of the river.
flys-backend/trunk@1698 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 14 Apr 2011 13:43:53 +0000 |
| parents | 003ac16812dd |
| children | 1e196c75563b |
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| 464:d37ccb04ab5d | 465:c2c3ad4fda58 |
|---|---|
| 1 package de.intevation.flys.model; | 1 package de.intevation.flys.model; |
| 2 | 2 |
| 3 import java.io.Serializable; | 3 import java.io.Serializable; |
| 4 | |
| 5 import java.math.BigDecimal; | |
| 4 | 6 |
| 5 import javax.persistence.Entity; | 7 import javax.persistence.Entity; |
| 6 import javax.persistence.Id; | 8 import javax.persistence.Id; |
| 7 import javax.persistence.Table; | 9 import javax.persistence.Table; |
| 8 import javax.persistence.GeneratedValue; | 10 import javax.persistence.GeneratedValue; |
| 69 } | 71 } |
| 70 | 72 |
| 71 public String toString() { | 73 public String toString() { |
| 72 return name != null ? name : ""; | 74 return name != null ? name : ""; |
| 73 } | 75 } |
| 76 | |
| 77 /** | |
| 78 * Returns the min and max distance of this river. The first position in the | |
| 79 * resulting array contains the min distance, the second position the max | |
| 80 * distance. | |
| 81 * | |
| 82 * @return the min and max distance of this river. | |
| 83 */ | |
| 84 public double[] determineMinMaxDistance() { | |
| 85 if (gauges == null) { | |
| 86 return null; | |
| 87 } | |
| 88 | |
| 89 double minmax[] = new double[] { Double.MAX_VALUE, Double.MIN_VALUE }; | |
| 90 | |
| 91 for (Gauge g: gauges) { | |
| 92 Range r = g.getRange(); | |
| 93 | |
| 94 double a = r.getA().doubleValue(); | |
| 95 minmax[0] = minmax[0] < a ? minmax[0] : a; | |
| 96 | |
| 97 BigDecimal bigB = r.getB(); | |
| 98 if (bigB != null) { | |
| 99 double b = bigB.doubleValue(); | |
| 100 minmax[1] = minmax[1] > b ? minmax[1] : b; | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 return minmax; | |
| 105 } | |
| 74 } | 106 } |
| 75 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |