Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQ.java @ 7930:d3a4b0d5bcd8

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Small Java related cosmetics.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 12 Jun 2014 19:16:30 +0200
parents b0e2e4e0e2d2
children 839032ac1523
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import org.dive4elements.river.utils.DoubleUtil;
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12
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13 import gnu.trove.TDoubleArrayList;
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14
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15 import java.math.BigDecimal;
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16
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17 import java.util.regex.Matcher;
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18 import java.util.regex.Pattern;
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19
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20 import org.apache.log4j.Logger;
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21
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22 public class WQ
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23 extends W
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24 {
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25 public static final Pattern NUMBERS_PATTERN =
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26 Pattern.compile("\\D*(\\d++.\\d*)\\D*");
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27
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28 private static Logger log = Logger.getLogger(WQ.class);
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29
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30 protected TDoubleArrayList qs;
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31
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32 public WQ() {
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33 this("");
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34 }
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35
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36 public WQ(String name) {
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37 super(name);
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38 qs = new TDoubleArrayList();
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39 }
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40
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41 public WQ(int capacity) {
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42 this(capacity, "");
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43 }
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44
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45
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46 public WQ(int capacity, String name) {
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47 super(capacity, name);
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48 qs = new TDoubleArrayList(capacity);
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49 }
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50
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51 public WQ(double [] qs, double [] ws) {
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52 this(qs, ws, "");
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53 }
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54
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55 public WQ(double [] qs, double [] ws, String name) {
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56 super(name);
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57 this.ws = new TDoubleArrayList(ws);
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58 this.qs = new TDoubleArrayList(qs);
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59 }
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60
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61 public WQ(TDoubleArrayList qs, TDoubleArrayList ws, String name) {
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62 super(name);
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63 this.ws = ws;
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64 this.qs = qs;
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65 }
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66
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67
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68 public Double getRawValue() {
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69 if (name == null || name.length() == 0) {
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70 // this should never happen
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71 return null;
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72 }
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73
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74 Matcher m = NUMBERS_PATTERN.matcher(name);
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75
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76 if (m.matches()) {
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77 String raw = m.group(1);
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78
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79 try {
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80 return Double.valueOf(raw);
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81 }
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82 catch (NumberFormatException nfe) {
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83 // do nothing
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84 }
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85 }
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86
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87 return null;
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88 }
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89
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90 public void add(double w, double q) {
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91 ws.add(w);
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92 qs.add(q);
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93 }
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94
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95 public double getQ(int idx) {
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96 return qs.getQuick(idx);
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97 }
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98
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99 @Override
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100 public double [] get(int idx) {
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101 return get(idx, new double [2]);
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102 }
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103
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104 @Override
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105 public double [] get(int idx, double [] dst) {
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106 dst[0] = ws.getQuick(idx);
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107 dst[1] = qs.getQuick(idx);
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108 return dst;
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109 }
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110
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111 public double [] getQs() {
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112 return qs.toNativeArray();
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113 }
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114
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115 @Override
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116 public void removeNaNs() {
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117 DoubleUtil.removeNaNs(new TDoubleArrayList [] { ws, qs });
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118 }
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119
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120 /** Returns either a modified copy or the same Object with fixed W values.
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121 * If a conversion takes place converted is set to true
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122 */
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123 public static WQ getFixedWQforExportAtGauge(WQ wq, BigDecimal datum) {
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124 if (wq.getReferenceSystem() == W.CENTIMETER_AT_GAUGE) {
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125 // Do nothing
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126 return wq;
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127 }
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128 // If we convert we work on a copy to avoid side effects.
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129 WQ ret = new WQ(wq.size(), wq.getName());
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130 ret.setReferenceSystem(W.CENTIMETER_AT_GAUGE);
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131
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132 // When we convert and have a datum we have a calculated
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133 // result at a gauge so we must subtract the datum.
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134 double subtractDatum = datum == null ? 0 : datum.doubleValue();
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135 double [] data = new double[8];
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136 for (int i = 0, WQ = wq.size(); i < WQ; i++) {
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137 wq.get(i, data);
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138 ret.add((data[0] - subtractDatum)*100d, data[1]);
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139 }
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140 log.debug("Converted W values to centimeter and substracted: " + subtractDatum);
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141 return ret;
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142 }
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143 }
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144 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org