Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Calculation2.java @ 5308:7712dacc27ab

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Avoid NPE if data list is null.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 14 Mar 2013 17:16:15 +0100
parents c1f445b94d03
children
rev   line source
677
a95f34f1f39a Added error reporting to 'Abflusskurve' calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.util.Arrays;
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4
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5 import org.apache.log4j.Logger;
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6
3265
c1f445b94d03 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2166
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7
c1f445b94d03 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2166
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8 /** ComputedDischargeCurve. */
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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9 public class Calculation2
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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10 extends Calculation
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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11 {
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12 private static Logger logger = Logger.getLogger(Calculation2.class);
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parents:
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13
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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14 protected double km;
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15
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16 public Calculation2() {
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17 }
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18
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19 public Calculation2(double km) {
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20 this.km = km;
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21 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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22
709
3b7e9ddf6bb1 New model to transport data and error reports of calculations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 677
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23 public CalculationResult calculate(WstValueTable wst) {
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24
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25 logger.debug("Calculation2.calculate");
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26
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27 double [][] wqs = wst.interpolateWQ(km, this);
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28
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29 if (wqs == null || wqs[0].length == 0) {
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2898b1ff6013 I18N for WINFO calculation result messages.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 709
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30 addProblem("cannot.compute.discharge.curve");
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3b7e9ddf6bb1 New model to transport data and error reports of calculations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 677
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31 return new CalculationResult(new WQKms[0], this);
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32 }
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33
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34 double [] ws = wqs[0];
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35 double [] qs = wqs[1];
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36 double [] kms = new double[ws.length];
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37
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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38 Arrays.fill(kms, km);
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parents:
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39
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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40 WQKms wqkms = new WQKms(kms, qs, ws, String.valueOf(km));
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parents:
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41
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42 if (hasProblems()) {
3265
c1f445b94d03 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2166
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43 logger.debug("found " + numProblems() + " problems.");
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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44 wqkms.removeNaNs();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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45 }
a95f34f1f39a Added error reporting to 'Abflusskurve' calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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46
709
3b7e9ddf6bb1 New model to transport data and error reports of calculations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 677
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47 return new CalculationResult(new WQKms[] { wqkms }, this);
677
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parents:
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48 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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49 }
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parents:
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50 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org