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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQCKms.java @ 4660:bb9ce9aece70

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Add new method hasItems to Collection class
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 16:24:57 +0100
parents 5642a83420f2
children bcf25d8c183e
rev   line source
402
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1 package de.intevation.flys.artifacts.model;
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2
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3 import gnu.trove.TDoubleArrayList;
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4
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5 /**
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6 * This class represents a pool of data triples that consists of 'W', 'Q' and
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7 * 'KM' data with corrected 'W' values computed by a BackJumpCorrector.
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8 *
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9 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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10 */
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11 public class WQCKms
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12 extends WQKms
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13 {
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14 protected TDoubleArrayList cws;
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16 public WQCKms() {
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17 }
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18
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19 public WQCKms(WQKms other, double [] cws) {
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20 this.ws = other.ws;
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21 this.qs = other.qs;
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22 this.kms = other.kms;
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23 this.cws = new TDoubleArrayList(cws);
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24 }
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25
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26
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27 public WQCKms(double[] kms, double[] qs, double[] ws, double[] cws) {
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28 super(kms, qs, ws);
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29
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30 this.cws = new TDoubleArrayList(cws);
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31 }
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32
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33 @Override
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34 public void removeNaNs() {
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35 removeNaNs(new TDoubleArrayList [] { ws, qs, cws, kms });
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36 }
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37
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38 /**
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39 * Adds a new row to this data pool with corrected W.
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40 *
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41 * @param w a W.
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42 * @param q a Q.
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43 * @param kms a Kms.
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44 * @param cw The corrected W.
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45 */
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46 public void add(double w, double q, double kms, double cw) {
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47 super.add(w, q, kms);
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48 cws.add(cw);
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49 }
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50
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51 @Override
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52 public double[] get(int idx) {
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53 return get(idx, new double[4]);
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54 }
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55
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56 /**
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57 * This method returns a 4dim array of W, Q,Kms and corrected W.
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58 *
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59 * @param idx The position of the triple.
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60 * @param dst destination array
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61 *
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62 * @return a 4dim array of [W, Q, Kms, CW] in dst.
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63 */
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64 @Override
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65 public double[] get(int idx, double[] dst) {
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66 dst = super.get(idx, dst);
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67
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68 if (dst.length < 4) {
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69 return dst;
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70 }
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71
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72 if (cws != null && cws.size() > idx) {
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73 dst[3] = cws.getQuick(idx);
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74 }
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75
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76 return dst;
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77 }
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78
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79 public double getC(int idx) {
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80 return cws.getQuick(idx);
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81 }
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82
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84 /**
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85 * Returns the double array of corrected W values.
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86 *
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87 * @return the double array of corrected W values.
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88 */
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89 public double[] getCWs() {
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90 return cws.toNativeArray();
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91 }
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92 }
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93 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org