[2900] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12018] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2900] | 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 |
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[5434] | 22 | using System;
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[4722] | 23 | using HeuristicLab.Common;
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[2900] | 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Optimization;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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[3053] | 31 | namespace HeuristicLab.Encodings.RealVectorEncoding {
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[2900] | 32 | /// <summary>
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| 33 | /// A base class for operators that manipulate real-valued vectors.
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| 34 | /// </summary>
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| 35 | [Item("RealVectorManipulator", "A base class for operators that manipulate real-valued vectors.")]
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[3017] | 36 | [StorableClass]
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[10291] | 37 | public abstract class RealVectorManipulator : InstrumentedOperator, IRealVectorManipulator, IStochasticOperator {
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[3034] | 38 | public override bool CanChangeName {
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| 39 | get { return false; }
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| 40 | }
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| 41 |
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[2900] | 42 | public ILookupParameter<IRandom> RandomParameter {
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| 43 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
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| 44 | }
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[3060] | 45 | public ILookupParameter<RealVector> RealVectorParameter {
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| 46 | get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
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[2900] | 47 | }
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[3182] | 48 | public IValueLookupParameter<DoubleMatrix> BoundsParameter {
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| 49 | get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
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| 50 | }
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[5434] | 51 | protected OptionalValueParameter<IRealVectorBoundsChecker> BoundsCheckerParameter {
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[5381] | 52 | get { return (OptionalValueParameter<IRealVectorBoundsChecker>)Parameters["BoundsChecker"]; }
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| 53 | }
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[5434] | 54 | public IRealVectorBoundsChecker BoundsChecker {
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| 55 | get { return BoundsCheckerParameter.Value; }
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| 56 | set { BoundsCheckerParameter.Value = value; }
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| 57 | }
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[2900] | 58 |
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[4722] | 59 | [StorableConstructor]
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| 60 | protected RealVectorManipulator(bool deserializing) : base(deserializing) { }
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[5434] | 61 | protected RealVectorManipulator(RealVectorManipulator original, Cloner cloner)
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| 62 | : base(original, cloner) {
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| 63 | RegisterEventHandlers();
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| 64 | }
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[2900] | 65 | protected RealVectorManipulator()
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| 66 | : base() {
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| 67 | Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
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[3060] | 68 | Parameters.Add(new LookupParameter<RealVector>("RealVector", "The vector which should be manipulated."));
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[3182] | 69 | Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds of the real vector."));
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[5381] | 70 | Parameters.Add(new OptionalValueParameter<IRealVectorBoundsChecker>("BoundsChecker", "The bounds checker that ensures that the values stay within the bounds.", new BoundsChecker()));
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[5434] | 71 |
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| 72 | RegisterEventHandlers();
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| 73 | ParameterizeBoundsChecker();
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[2900] | 74 | }
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| 75 |
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[5381] | 76 | [StorableHook(HookType.AfterDeserialization)]
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| 77 | private void AfterDeserialization() {
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[5434] | 78 | // BackwardsCompatibility3.3
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| 79 | #region Backwards compatible code (remove with 3.4)
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| 80 | if (!Parameters.ContainsKey("BoundsChecker")) {
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[5381] | 81 | Parameters.Add(new OptionalValueParameter<IRealVectorBoundsChecker>("BoundsChecker", "The bounds checker that ensures that the values stay within the bounds.", new BoundsChecker()));
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[5434] | 82 | ParameterizeBoundsChecker();
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| 83 | }
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| 84 | #endregion
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| 85 | RegisterEventHandlers();
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[5381] | 86 | }
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| 87 |
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[5434] | 88 | protected virtual void RegisterEventHandlers() {
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| 89 | BoundsCheckerParameter.ValueChanged += new System.EventHandler(BoundsCheckerParameter_ValueChanged);
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| 90 | }
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| 91 |
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[10291] | 92 | public sealed override IOperation InstrumentedApply() {
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[3182] | 93 | RealVector vector = RealVectorParameter.ActualValue;
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| 94 | Manipulate(RandomParameter.ActualValue, vector);
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[5381] | 95 |
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[10291] | 96 | IOperation successor = base.InstrumentedApply();
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[5434] | 97 | if (BoundsChecker != null) {
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| 98 | IOperation checkerOperation = ExecutionContext.CreateChildOperation(BoundsChecker);
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[5381] | 99 | if (successor == null) return checkerOperation;
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| 100 | else return new OperationCollection(checkerOperation, successor);
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| 101 | } else return successor;
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[2900] | 102 | }
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| 103 |
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[3060] | 104 | protected abstract void Manipulate(IRandom random, RealVector realVector);
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[5434] | 105 |
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| 106 | protected virtual void BoundsCheckerParameter_ValueChanged(object sender, EventArgs e) {
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| 107 | ParameterizeBoundsChecker();
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| 108 | }
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| 109 |
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| 110 | protected virtual void ParameterizeBoundsChecker() {
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| 111 | if (BoundsChecker != null) {
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| 112 | BoundsChecker.BoundsParameter.ActualName = BoundsParameter.Name;
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| 113 | BoundsChecker.RealVectorParameter.ActualName = RealVectorParameter.Name;
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| 114 | }
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| 115 | }
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[2900] | 116 | }
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| 117 | }
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