Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Segment.java @ 3439:cb11919cccf9

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FixA 'ausgelagerte Wasserspiegellagen' move comparator code into segment class. flys-artifacts/trunk@5102 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 23 Jul 2012 10:11:15 +0000
parents da7cf0e3ccaa
children bfbd478bd607
rev   line source
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.flys.utils.DoubleUtil;
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4
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5 import gnu.trove.TDoubleArrayList;
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6
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7 import java.io.Serializable;
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8
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9 import java.util.ArrayList;
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10 import java.util.Comparator;
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11 import java.util.List;
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12
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13 import org.apache.log4j.Logger;
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14
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15 public class Segment
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16 implements Serializable
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17 {
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18 private static Logger logger = Logger.getLogger(Segment.class);
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19
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20 public static final Comparator<Segment> REF_CMP =
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21 new Comparator<Segment>() {
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22 @Override
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23 public int compare(Segment a, Segment b) {
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24 double d = a.referencePoint - b.referencePoint;
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25 if (d < 0d) return -1;
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26 return d > 0d ? +1 : 0;
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27 }
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28 };
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29
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30 protected double from;
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31 protected double to;
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32 protected double [] values;
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33 protected double [] backup;
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34 protected double referencePoint;
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35
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36 public Segment() {
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37 }
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38
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39 public Segment(double referencePoint) {
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40 this.referencePoint = referencePoint;
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41 }
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42
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43 public Segment(double from, double to, double [] values) {
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44 this.from = from;
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45 this.to = to;
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46 this.values = values;
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47 }
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48
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49 public boolean isUp() {
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50 return from < to;
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51 }
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52
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53 @Override
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54 public String toString() {
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55 StringBuilder sb = new StringBuilder("Segment: [");
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56 sb.append("from: ").append(from).append("; to: ")
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57 .append(to)
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58 .append("; ref: ").append(referencePoint)
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59 .append("; values: (");
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60 for (int i = 0; i < values.length; ++i) {
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61 if (i > 0) sb.append(", ");
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62 sb.append(values[i]);
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63 }
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64 sb.append(")]");
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65 return sb.toString();
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66 }
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67
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68 public void setFrom(double from) {
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69 this.from = from;
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70 }
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71
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72 public void backup() {
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73 backup = values != null
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74 ? (double [])values.clone()
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75 : null;
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76 }
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77
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78 public double getFrom() {
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79 return from;
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80 }
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81
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82 public void setTo(double to) {
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83 this.to = to;
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84 }
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85
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86 public double getTo() {
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87 return to;
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88 }
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89
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90 public void setValues(double [] values) {
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91 this.values = values;
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92 }
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93
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94 public double [] getValues() {
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95 return values;
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96 }
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97
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98 public void setReferencePoint(double referencePoint) {
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99 this.referencePoint = referencePoint;
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100 }
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101
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102 public double getReferencePoint() {
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103 return referencePoint;
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104 }
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105
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106 public static List<Segment> parseSegments(String input) {
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107
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108 ArrayList<Segment> segments = new ArrayList<Segment>();
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109
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110 TDoubleArrayList vs = new TDoubleArrayList();
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111
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112 for (String segmentStr: input.split(":")) {
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113 String [] parts = segmentStr.split(";");
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114 if (parts.length < 3) {
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115 logger.warn("invalid segment: '" + segmentStr + "'");
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116 continue;
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117 }
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118 try {
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119 double from = Double.parseDouble(parts[0].trim());
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120 double to = Double.parseDouble(parts[1].trim());
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121
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122 vs.clear();
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123
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124 for (String valueStr: parts[2].split(",")) {
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125 vs.add(DoubleUtil.round(
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126 Double.parseDouble(valueStr.trim())));
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127 }
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128
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129 double [] values = vs.toNativeArray();
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130 segments.add(new Segment(from, to, values));
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131 }
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132 catch (NumberFormatException nfe) {
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133 logger.warn("invalid segment: '" + segmentStr + "'");
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134 }
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135 }
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136
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137 return segments;
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138 }
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139 }
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140 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org