[645] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[9456] | 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[645] | 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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[4722] | 22 | using HeuristicLab.Common;
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[645] | 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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[9834] | 25 | using HeuristicLab.Parameters;
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[3512] | 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[645] | 27 |
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[5499] | 28 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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[3512] | 29 | [StorableClass]
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| 30 | [Item("FullTreeShaker", "Manipulates all nodes that have local parameters.")]
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[9834] | 31 | public sealed class FullTreeShaker : TracingSymbolicExpressionTreeManipulator {
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[5499] | 32 | private const string ShakingFactorParameterName = "ShakingFactor";
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| 33 | #region parameter properties
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[6439] | 34 | public IValueParameter<DoubleValue> ShakingFactorParameter {
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| 35 | get { return (IValueParameter<DoubleValue>)Parameters[ShakingFactorParameterName]; }
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[5499] | 36 | }
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| 37 | #endregion
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| 38 | #region properties
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[6439] | 39 | public double ShakingFactor {
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| 40 | get { return ShakingFactorParameter.Value.Value; }
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| 41 | set { ShakingFactorParameter.Value.Value = value; }
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[5499] | 42 | }
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| 43 | #endregion
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[4722] | 44 | [StorableConstructor]
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| 45 | private FullTreeShaker(bool deserializing) : base(deserializing) { }
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| 46 | private FullTreeShaker(FullTreeShaker original, Cloner cloner) : base(original, cloner) { }
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[5499] | 47 | public FullTreeShaker()
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| 48 | : base() {
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[6439] | 49 | Parameters.Add(new FixedValueParameter<DoubleValue>(ShakingFactorParameterName, "The shaking factor that should be used for the manipulation of constants (default=1.0).", new DoubleValue(1.0)));
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[5499] | 50 | }
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[4722] | 51 |
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| 52 | public override IDeepCloneable Clone(Cloner cloner) {
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| 53 | return new FullTreeShaker(this, cloner);
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[645] | 54 | }
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| 55 |
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[5510] | 56 | protected override void Manipulate(IRandom random, ISymbolicExpressionTree tree) {
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[5499] | 57 | tree.Root.ForEachNodePostfix(node => {
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[3512] | 58 | if (node.HasLocalParameters) {
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[6439] | 59 | node.ShakeLocalParameters(random, ShakingFactor);
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[3512] | 60 | }
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[5499] | 61 | });
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[645] | 62 | }
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| 63 | }
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| 64 | }
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