Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/sq/Sieve.java @ 8148:eb48b244921d
The rest is silence.
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 27 Aug 2014 19:52:51 +0200 |
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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.sq; |
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10 |
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11 import java.util.Comparator; |
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12 |
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13 public class Sieve |
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14 { |
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15 public static final double EPSILON = 1e-6; |
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16 |
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17 public static final Comparator<Double> DIAMETER_CMP = |
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18 new Comparator<Double>() { |
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19 @Override |
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20 public int compare(Double a, Double b) { |
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21 double diff = a - b; |
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22 if (diff < -EPSILON) return -1; |
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23 if (diff > EPSILON) return +1; |
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24 return 0; |
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25 } |
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26 }; |
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27 |
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28 protected double diameter; |
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29 protected double load; |
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30 |
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31 /** |
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32 * Constructs a new instance. |
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33 */ |
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34 public Sieve() { |
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35 this(Double.NaN, Double.NaN); |
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36 } |
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37 |
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38 public Sieve(double diameter, double load) { |
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39 this.diameter = diameter; |
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40 this.load = load; |
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41 } |
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42 |
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43 /** |
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44 * Gets the diameter for this instance. |
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45 * |
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46 * @return The diameter. |
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47 */ |
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48 public double getDiameter() { |
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49 return this.diameter; |
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50 } |
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51 |
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52 /** |
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53 * Sets the diameter for this instance. |
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54 * |
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55 * @param diameter The diameter. |
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56 */ |
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57 public void setDiameter(double diameter) { |
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58 this.diameter = diameter; |
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59 } |
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60 |
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61 /** |
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62 * Gets the load for this instance. |
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63 * |
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64 * @return The load. |
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65 */ |
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66 public double getLoad() { |
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67 return this.load; |
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68 } |
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69 |
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70 /** |
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71 * Sets the load for this instance. |
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72 * |
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73 * @param load The load. |
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74 */ |
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75 public void setLoad(double load) { |
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76 this.load = load; |
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77 } |
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78 |
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79 public boolean matchesDiameter(double diameter) { |
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80 return Math.abs(diameter - this.diameter) < EPSILON; |
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81 } |
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82 |
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83 public boolean hasDiameter() { |
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84 return !Double.isNaN(diameter); |
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85 } |
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86 |
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87 public boolean hasLoad() { |
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88 return !Double.isNaN(load); |
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89 } |
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90 |
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91 public boolean isValid() { |
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92 return hasDiameter() && hasLoad(); |
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93 } |
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94 } |
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95 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |