| 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Linq;
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| 4 | using System.Text;
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| 5 | using HeuristicLab.Operators;
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| 6 | using HeuristicLab.Optimization;
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| 7 | using HeuristicLab.Core;
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| 8 | using HeuristicLab.Parameters;
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| 9 | using HeuristicLab.Common;
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| 10 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 11 | using HeuristicLab.Data;
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| 12 |
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| 13 | namespace HeuristicLab.Problems.MetaOptimization {
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| 14 | // todo: item name/descr...
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| 15 | [StorableClass]
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| 16 | public class ParameterConfigurationManipulator : SingleSuccessorOperator, IParameterConfigurationManipulator, IStochasticOperator {
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| 17 | public override bool CanChangeName {
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| 18 | get { return false; }
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| 19 | }
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| 20 | public ILookupParameter<IRandom> RandomParameter {
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| 21 | get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
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| 22 | }
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| 23 | public IValueLookupParameter<ParameterConfigurationTree> ParameterConfigurationTreeParameter {
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| 24 | get { return (IValueLookupParameter<ParameterConfigurationTree>)Parameters["ParameterConfigurationTree"]; }
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| 25 | }
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| 26 |
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| 27 | public IValueLookupParameter<IIntValueManipulator> IntValueManipulatorParameter {
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| 28 | get { return (IValueLookupParameter<IIntValueManipulator>)Parameters[MetaOptimizationProblem.IntValueManipulatorParameterName]; }
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| 29 | }
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| 30 | public IValueLookupParameter<IDoubleValueManipulator> DoubleValueManipulatorParameter {
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| 31 | get { return (IValueLookupParameter<IDoubleValueManipulator>)Parameters[MetaOptimizationProblem.DoubleValueManipulatorParameterName]; }
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| 32 | }
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| 33 |
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| 34 | public ParameterConfigurationManipulator() {
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| 35 | Parameters.Add(new ValueLookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
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| 36 | Parameters.Add(new ValueLookupParameter<ParameterConfigurationTree>("ParameterConfigurationTree", "The parameter configuration which should be manipulated."));
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| 37 |
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| 38 | Parameters.Add(new ValueLookupParameter<IIntValueManipulator>(MetaOptimizationProblem.IntValueManipulatorParameterName, ""));
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| 39 | Parameters.Add(new ValueLookupParameter<IDoubleValueManipulator>(MetaOptimizationProblem.DoubleValueManipulatorParameterName, ""));
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| 40 | }
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| 41 | [StorableConstructor]
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| 42 | protected ParameterConfigurationManipulator(bool deserializing) : base(deserializing) { }
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| 43 | protected ParameterConfigurationManipulator(ParameterConfigurationManipulator original, Cloner cloner)
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| 44 | : base(original, cloner) {
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| 45 | }
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| 46 | public override IDeepCloneable Clone(Cloner cloner) {
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| 47 | return new ParameterConfigurationManipulator(this, cloner);
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| 48 | }
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| 49 |
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| 50 | public sealed override IOperation Apply() {
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| 51 | Apply(RandomParameter.ActualValue, ParameterConfigurationTreeParameter.ActualValue, this);
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| 52 | return base.Apply();
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| 53 | }
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| 54 |
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| 55 | public static void Apply(IRandom random, IValueConfiguration configuration, ParameterConfigurationManipulator pcmanip) {
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| 56 | configuration.Mutate(random, Mutate, pcmanip);
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| 57 | }
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| 58 |
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| 59 | private static void Mutate(IRandom random, IOptimizable configuration, ParameterConfigurationManipulator pcmanip) {
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| 60 | if (configuration is IValueConfiguration) {
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| 61 | var vc = configuration as IValueConfiguration;
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| 62 | var value = vc.ActualValue.Value;
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| 63 | var range = vc.RangeConstraint;
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| 64 | if (value is IntValue) {
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| 65 | pcmanip.IntValueManipulatorParameter.ActualValue.Apply(random, (IntValue)value, (IntValueRange)range);
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| 66 | } else if (value is PercentValue) {
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| 67 | pcmanip.DoubleValueManipulatorParameter.ActualValue.Apply(random, (PercentValue)value, ((PercentValueRange)range).AsDoubleValueRange());
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| 68 | } else if (value is DoubleValue) {
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| 69 | pcmanip.DoubleValueManipulatorParameter.ActualValue.Apply(random, (DoubleValue)value, (DoubleValueRange)range);
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| 70 | }
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| 71 | } else if (configuration is IParameterConfiguration) {
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| 72 | var pc = configuration as IParameterConfiguration;
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| 73 | pc.ActualValueConfigurationIndex = random.Next(pc.ValueConfigurations.CheckedItems.Count());
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| 74 | pc.ActualValue = pc.ValueConfigurations.CheckedItems.ElementAt(pc.ActualValueConfigurationIndex).ActualValue;
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| 75 | }
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| 76 | }
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| 77 | }
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| 78 | } |
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