[16830] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 | using System;
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[16772] | 22 | using HeuristicLab.Common;
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| 23 | using HeuristicLab.Core;
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| 24 | using HEAL.Attic;
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[16587] | 25 |
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| 26 | namespace HeuristicLab.Problems.DataAnalysis {
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[16628] | 27 | [StorableType("8109BE58-CCFB-4462-A2F4-EEE5DFADAFF7")]
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[16772] | 28 | [Item("Interval Constraint", "Constraint on intervals.")]
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[16895] | 29 | public sealed class IntervalConstraint : Item {
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[16776] | 30 | private string expression;
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[16886] | 31 | [Storable]
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[16776] | 32 | public string Expression {
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| 33 | get => expression;
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[16895] | 34 | private set {
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| 35 | if (expression != value) {
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[16776] | 36 | expression = value;
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[16895] | 37 | OnChanged();
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| 38 | OnToStringChanged();
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[16776] | 39 | }
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| 40 | }
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| 41 | }
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[16895] | 42 |
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[16880] | 43 | public string Definition {
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[16895] | 44 | get { return GetDefinitionString(); }
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[16880] | 45 | }
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[16774] | 46 |
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| 47 | private string variable;
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[16886] | 48 | [Storable]
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[16774] | 49 | public string Variable {
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| 50 | get => variable;
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[16895] | 51 | private set {
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| 52 | if (variable != value) {
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[16774] | 53 | variable = value;
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[16895] | 54 | UpdateExpression();
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| 55 | OnChanged();
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[16774] | 56 | }
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| 57 | }
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| 58 | }
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[16596] | 59 |
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[16900] | 60 | private string target;
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| 61 | [Storable]
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| 62 | public string Target {
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| 63 | get => target;
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| 64 | set {
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| 65 | if (target != value) {
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| 66 | target = value;
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| 67 | UpdateExpression();
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| 68 | OnChanged();
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| 69 | }
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| 70 | }
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| 71 | }
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| 72 |
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[16895] | 73 | public bool IsDerivation {
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| 74 | get => numberOfDerivation > 0;
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| 75 | }
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| 76 |
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[16898] | 77 | private int numberOfDerivation;
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[16886] | 78 | [Storable]
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[16778] | 79 | public int NumberOfDerivation {
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| 80 | get => numberOfDerivation;
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| 81 | set {
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[16895] | 82 | if (value < 0 || value > 3)
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| 83 | throw new ArgumentException("Number of derivation has to be between 0 - 3.");
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[16898] | 84 | if (numberOfDerivation != value) {
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[16778] | 85 | numberOfDerivation = value;
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[16895] | 86 | UpdateExpression();
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| 87 | OnChanged();
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[16778] | 88 | }
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| 89 | }
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| 90 | }
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| 91 |
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[16895] | 92 | private Interval interval;
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| 93 | [Storable]
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| 94 | public Interval Interval {
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| 95 | get => interval;
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| 96 | set {
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| 97 | if (interval != value) {
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| 98 | interval = value;
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| 99 | UpdateExpression();
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| 100 | OnChanged();
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| 101 | }
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| 102 | }
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| 103 | }
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| 104 | private bool inclusiveLowerBound;
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| 105 | [Storable]
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| 106 | public bool InclusiveLowerBound {
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| 107 | get => inclusiveLowerBound;
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| 108 | set {
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| 109 | if (inclusiveLowerBound != value) {
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| 110 | inclusiveLowerBound = value;
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| 111 | UpdateExpression();
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| 112 | OnChanged();
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| 113 | }
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | private bool inclusiveUpperBound;
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| 118 | [Storable]
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| 119 | public bool InclusiveUpperBound {
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| 120 | get => inclusiveUpperBound;
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| 121 | set {
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| 122 | if (inclusiveUpperBound != value) {
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| 123 | inclusiveUpperBound = value;
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| 124 | UpdateExpression();
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| 125 | OnChanged();
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| 126 | }
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| 127 | }
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| 128 | }
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| 129 |
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[16800] | 130 | private bool enabled;
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[16886] | 131 | [Storable]
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[16800] | 132 | public bool Enabled {
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| 133 | get => enabled;
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[16777] | 134 | set {
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[16800] | 135 | if (value != enabled) {
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| 136 | enabled = value;
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[16895] | 137 | OnChanged();
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[16777] | 138 | }
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| 139 | }
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| 140 | }
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[16596] | 141 |
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[16886] | 142 | [StorableConstructor]
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[16895] | 143 | private IntervalConstraint(StorableConstructorFlag _) : base(_) { }
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[16886] | 144 |
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[16900] | 145 | public IntervalConstraint(string expression, string variable, string target, int numberOfDerivation, Interval interval, bool inclusiveLowerBound,
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[16895] | 146 | bool inclusiveUpperBound, bool enabled) : base(){
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| 147 | this.expression = expression;
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| 148 | this.variable = variable;
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[16900] | 149 | this.target = target;
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[16895] | 150 | this.numberOfDerivation = numberOfDerivation;
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| 151 | this.interval = interval;
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| 152 | this.inclusiveLowerBound = inclusiveLowerBound;
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| 153 | this.inclusiveUpperBound = inclusiveUpperBound;
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| 154 | this.enabled = enabled;
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[16596] | 155 | }
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[16772] | 156 |
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| 157 | public override IDeepCloneable Clone(Cloner cloner) {
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| 158 | return new IntervalConstraint(this, cloner);
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| 159 | }
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| 160 |
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[16895] | 161 | private IntervalConstraint(IntervalConstraint original, Cloner cloner)
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[16772] | 162 | : base(original, cloner) {
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| 163 | this.Expression = original.Expression;
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[16900] | 164 | this.Variable = original.Variable;
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| 165 | this.Target = original.Target;
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| 166 | this.NumberOfDerivation = original.NumberOfDerivation;
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[16772] | 167 | this.Interval = original.Interval;
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| 168 | this.InclusiveLowerBound = original.InclusiveLowerBound;
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| 169 | this.InclusiveUpperBound = original.InclusiveUpperBound;
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[16917] | 170 | this.Enabled = original.Enabled;
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[16772] | 171 | }
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| 172 |
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| 173 | public event EventHandler Changed;
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[16895] | 174 | private void OnChanged() {
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[16772] | 175 | EventHandler handlers = Changed;
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| 176 | if (handlers != null)
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[16895] | 177 | handlers(this, EventArgs.Empty);
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[16772] | 178 | }
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[16895] | 179 |
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| 180 | private static string GetDerivationString(int derivation) {
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| 181 | switch (derivation) {
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| 182 | case 1:
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| 183 | return "";
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| 184 | case 2:
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| 185 | return "²";
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| 186 | case 3:
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| 187 | return "³";
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| 188 | default:
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| 189 | return "";
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| 190 | }
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| 191 | }
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| 192 |
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| 193 | private void UpdateExpression() {
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| 194 | var expression = "";
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| 195 |
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| 196 | if (!IsDerivation) {
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[16900] | 197 | expression = string.Format("Target:{0} in {1}{2} .. {3}{4}",
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[16895] | 198 | Variable,
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| 199 | (InclusiveLowerBound) ? "[" : "]",
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[16917] | 200 | Interval?.LowerBound,
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| 201 | Interval?.UpperBound,
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[16895] | 202 | (InclusiveUpperBound) ? "]" : "[");
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| 203 | Expression = expression;
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| 204 | return;
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| 205 | }
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[16932] | 206 | expression = string.Format("∂{6}{1}/∂{0}{6} in {2}{3} .. {4}{5}",
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[16895] | 207 | Variable,
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[16900] | 208 | Target,
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[16895] | 209 | (InclusiveLowerBound) ? "[" : "]",
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[16917] | 210 | Interval?.LowerBound,
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| 211 | Interval?.UpperBound,
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[16895] | 212 | (InclusiveUpperBound) ? "]" : "[",
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| 213 | GetDerivationString(numberOfDerivation));
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| 214 | Expression = expression;
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| 215 | }
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| 216 |
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| 217 | private string GetDefinitionString() {
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| 218 | if (!IsDerivation) {
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| 219 | return "Target " + Variable;
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| 220 | }
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[16932] | 221 | var definition = $"∂{GetDerivationString(numberOfDerivation)}Target/∂{Variable}{GetDerivationString(numberOfDerivation)}";
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[16895] | 222 | return definition;
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| 223 | }
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| 224 |
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| 225 | public override string ToString() {
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| 226 | return Expression;
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| 227 | }
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[16587] | 228 | }
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| 229 | }
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