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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsColumn.java @ 2610:3c907758f0ab

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Added cacheable model for fixing column. flys-artifacts/trunk@4192 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 03 Apr 2012 16:51:03 +0000
parents
children b0597a63fe70
rev   line source
2610
3c907758f0ab Added cacheable model for fixing column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.artifacts.model;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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2
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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3 import de.intevation.flys.artifacts.math.Linear;
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4
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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5 import java.util.Arrays;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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6
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7 import java.io.Serializable;
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8
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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9 public class FixingsColumn
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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10 implements Serializable
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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11 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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12 protected int columnId;
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13
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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14 protected double [] kms;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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15 protected double [] ws;
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16
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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17 protected QRangeTree qs;
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18
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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19 public FixingsColumn() {
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20 }
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21
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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22 public FixingsColumn(
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23 int columnId,
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24 double [] kms,
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25 double [] ws
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26 ) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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27 this.columnId = columnId;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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28 this.kms = kms;
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29 this.ws = ws;
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30 }
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31
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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32 public int getColumnId() {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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33 return columnId;
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34 }
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35
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36 public double getW(double km) {
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37
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38 if (km < kms[0] || km > kms[kms.length-1]) {
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39 return Double.NaN;
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40 }
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41
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42 int idx = Arrays.binarySearch(kms, km);
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43
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44 if (idx >= 0) return ws[idx];
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45
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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46 idx = -idx - 1;
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47
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48 return Linear.linear(km, kms[idx], kms[idx+1], ws[idx], ws[idx+1]);
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49 }
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50
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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51 public double getQ(double km) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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52 return qs.findQ(km);
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53 }
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54 }
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55 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org