[12046] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[15584] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[12046] | 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.Operators;
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| 26 | using HeuristicLab.Parameters;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 |
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| 29 | namespace HeuristicLab.Algorithms.ALPS {
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| 30 | [Item("OldestAverageYoungestAgeCalculator", "An operator which calculates the oldest, average and youngest age of solutions in the scope tree.")]
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| 31 | [StorableClass]
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[12570] | 32 | public sealed class OldestAverageYoungestAgeCalculator : SingleSuccessorOperator {
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[13046] | 33 | public IScopeTreeLookupParameter<DoubleValue> AgeParameter {
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| 34 | get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["Age"]; }
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[12046] | 35 | }
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[13046] | 36 | public IValueLookupParameter<DoubleValue> OldestAgeParameter {
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| 37 | get { return (IValueLookupParameter<DoubleValue>)Parameters["OldestAge"]; }
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[12046] | 38 | }
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[13046] | 39 | public IValueLookupParameter<DoubleValue> AverageAgeParameter {
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| 40 | get { return (IValueLookupParameter<DoubleValue>)Parameters["AverageAge"]; }
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[12046] | 41 | }
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[13046] | 42 | public IValueLookupParameter<DoubleValue> YoungestAgeParameter {
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| 43 | get { return (IValueLookupParameter<DoubleValue>)Parameters["YoungestAge"]; }
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[12046] | 44 | }
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| 45 |
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| 46 | #region Storing & Cloning
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| 47 | [StorableConstructor]
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| 48 | private OldestAverageYoungestAgeCalculator(bool deserializing) : base(deserializing) { }
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| 49 | private OldestAverageYoungestAgeCalculator(OldestAverageYoungestAgeCalculator original, Cloner cloner) : base(original, cloner) { }
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| 50 | public override IDeepCloneable Clone(Cloner cloner) {
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| 51 | return new OldestAverageYoungestAgeCalculator(this, cloner);
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| 52 | }
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| 53 | #endregion
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| 54 |
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| 55 | public OldestAverageYoungestAgeCalculator()
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| 56 | : base() {
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[13046] | 57 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Age", "The value contained in the scope tree which represents the solution age."));
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| 58 | Parameters.Add(new ValueLookupParameter<DoubleValue>("OldestAge", "The age value of the oldest solution."));
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| 59 | Parameters.Add(new ValueLookupParameter<DoubleValue>("AverageAge", "The average age of all solutions."));
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| 60 | Parameters.Add(new ValueLookupParameter<DoubleValue>("YoungestAge", "The age value of the youngest solution."));
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[12046] | 61 |
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| 62 | OldestAgeParameter.Hidden = true;
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| 63 | AverageAgeParameter.Hidden = true;
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| 64 | YoungestAgeParameter.Hidden = true;
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| 65 | }
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| 66 |
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| 67 | public override IOperation Apply() {
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| 68 | var ages = AgeParameter.ActualValue;
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| 69 |
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| 70 | if (ages.Length > 0) {
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[13046] | 71 | double min = double.MaxValue, max = double.MinValue, sum = 0;
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[12046] | 72 | for (int i = 0; i < ages.Length; i++) {
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| 73 | if (ages[i].Value < min) min = ages[i].Value;
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| 74 | if (ages[i].Value > max) max = ages[i].Value;
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| 75 | sum += ages[i].Value;
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| 76 | }
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| 77 |
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| 78 | var oldest = OldestAgeParameter.ActualValue;
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[13046] | 79 | if (oldest == null) OldestAgeParameter.ActualValue = new DoubleValue(max);
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[12046] | 80 | else oldest.Value = max;
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| 81 | var average = AverageAgeParameter.ActualValue;
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[13046] | 82 | if (average == null) AverageAgeParameter.ActualValue = new DoubleValue(sum / ages.Length);
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[12046] | 83 | else average.Value = sum / ages.Length;
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| 84 | var youngest = YoungestAgeParameter.ActualValue;
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[13046] | 85 | if (youngest == null) YoungestAgeParameter.ActualValue = new DoubleValue(min);
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[12046] | 86 | else youngest.Value = min;
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| 87 | }
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| 88 | return base.Apply();
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| 89 | }
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| 90 | }
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| 91 | } |
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