[7439] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2012 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 |
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| 22 | using HeuristicLab.Common;
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| 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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| 25 | using HeuristicLab.Parameters;
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| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 27 |
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| 28 | namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
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| 29 | /// <summary>
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| 30 | /// Base class for architecture altering operators for symbolic expression trees.
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| 31 | /// </summary>
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| 32 | [StorableClass]
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| 33 | public abstract class SymbolicExpressionTreeArchitectureManipulator : SymbolicExpressionTreeManipulator, ISymbolicExpressionTreeArchitectureManipulator {
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| 34 | private const string MaximumFunctionArgumentsParameterName = "MaximumFunctionArguments";
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| 35 | private const string MaximumFunctionDefinitionsParameterName = "MaximumFunctionDefinitions";
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| 36 | public override bool CanChangeName {
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| 37 | get { return false; }
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| 38 | }
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| 39 | #region parameter properties
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| 40 | public IValueLookupParameter<IntValue> MaximumFunctionDefinitionsParameter {
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| 41 | get { return (IValueLookupParameter<IntValue>)Parameters[MaximumFunctionDefinitionsParameterName]; }
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| 42 | }
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| 43 | public IValueLookupParameter<IntValue> MaximumFunctionArgumentsParameter {
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| 44 | get { return (IValueLookupParameter<IntValue>)Parameters[MaximumFunctionArgumentsParameterName]; }
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| 45 | }
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| 46 | #endregion
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| 47 | #region properties
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| 48 | public IntValue MaximumFunctionDefinitions {
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| 49 | get { return MaximumFunctionDefinitionsParameter.ActualValue; }
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| 50 | }
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| 51 | public IntValue MaximumFunctionArguments {
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| 52 | get { return MaximumFunctionArgumentsParameter.ActualValue; }
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| 53 | }
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| 54 | #endregion
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| 55 | [StorableConstructor]
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| 56 | protected SymbolicExpressionTreeArchitectureManipulator(bool deserializing) : base(deserializing) { }
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| 57 | protected SymbolicExpressionTreeArchitectureManipulator(SymbolicExpressionTreeArchitectureManipulator original, Cloner cloner) : base(original, cloner) { }
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| 58 | public SymbolicExpressionTreeArchitectureManipulator()
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| 59 | : base() {
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| 60 | Parameters.Add(new ValueLookupParameter<IntValue>(MaximumFunctionDefinitionsParameterName, "The maximal allowed number of automatically defined functions."));
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| 61 | Parameters.Add(new ValueLookupParameter<IntValue>(MaximumFunctionArgumentsParameterName, "The maximal allowed number of arguments of a automatically defined functions."));
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| 62 | }
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| 63 |
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| 64 | protected override sealed void Manipulate(IRandom random, ISymbolicExpressionTree symbolicExpressionTree) {
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| 65 | ModifyArchitecture(random, symbolicExpressionTree, MaximumFunctionDefinitions, MaximumFunctionArguments);
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| 66 | }
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| 67 |
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| 68 | public abstract void ModifyArchitecture(
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| 69 | IRandom random,
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| 70 | ISymbolicExpressionTree tree,
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| 71 | IntValue maxFunctionDefinitions,
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| 72 | IntValue maxFunctionArguments);
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| 73 | }
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| 74 | }
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