source: branches/2839_HiveProjectManagement/HeuristicLab.Encodings.RealVectorEncoding/3.3/ParticleOperators/SPSOParticleCreator.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 2 years ago

#2839:

File size: 5.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Encodings.RealVectorEncoding {
31  [Item("Particle Creator (SPSO)", "Creates a particle with position, velocity vector and personal best.")]
32  [StorableClass]
33  public class SPSOParticleCreator : AlgorithmOperator, IRealVectorParticleCreator, IStochasticOperator {
34
35    #region Parameters
36    public ILookupParameter<IRandom> RandomParameter {
37      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
38    }
39    public IValueLookupParameter<DoubleMatrix> BoundsParameter {
40      get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
41    }
42    public ILookupParameter<RealVector> RealVectorParameter {
43      get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
44    }
45    public ILookupParameter<RealVector> PersonalBestParameter {
46      get { return (ILookupParameter<RealVector>)Parameters["PersonalBest"]; }
47    }
48    public ILookupParameter<RealVector> VelocityParameter {
49      get { return (ILookupParameter<RealVector>)Parameters["Velocity"]; }
50    }
51    public ILookupParameter<ISolutionCreator> SolutionCreatorParameter {
52      get { return (ILookupParameter<ISolutionCreator>)Parameters["SolutionCreator"]; }
53    }
54    public IConstrainedValueParameter<SPSOVelocityInitializer> VelocityInitializerParameter {
55      get { return (IConstrainedValueParameter<SPSOVelocityInitializer>)Parameters["VelocityInitializer"]; }
56    }
57    #endregion
58   
59    #region Construction & Cloning
60    [StorableConstructor]
61    protected SPSOParticleCreator(bool deserializing) : base(deserializing) { }
62    protected SPSOParticleCreator(SPSOParticleCreator original, Cloner cloner) : base(original, cloner) { }
63    public SPSOParticleCreator()
64      : base() {
65      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
66      Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds in each dimension."));
67      Parameters.Add(new LookupParameter<RealVector>("RealVector", "Particle's current solution"));
68      Parameters.Add(new LookupParameter<RealVector>("PersonalBest", "Particle's personal best solution."));
69      Parameters.Add(new LookupParameter<RealVector>("Velocity", "Particle's current velocity."));
70      Parameters.Add(new LookupParameter<ISolutionCreator>("SolutionCreator", "The operator that creates the initial position."));
71      Parameters.Add(new ConstrainedValueParameter<SPSOVelocityInitializer>("VelocityInitializer", "The initialization of the velocity vector."));
72
73      VelocityInitializerParameter.ValidValues.Add(new SPSO2011VelocityInitializer());
74      VelocityInitializerParameter.ValidValues.Add(new SPSO2007VelocityInitializer());
75
76      foreach (var init in VelocityInitializerParameter.ValidValues) {
77        init.BoundsParameter.ActualName = BoundsParameter.Name;
78        init.BoundsParameter.Hidden = true;
79        init.RandomParameter.ActualName = RandomParameter.Name;
80        init.RealVectorParameter.ActualName = RealVectorParameter.Name;
81        init.VelocityParameter.ActualName = VelocityParameter.Name;
82      }
83
84      Placeholder realVectorCreater = new Placeholder();
85      Assigner personalBestPositionAssigner = new Assigner();
86      Placeholder velocityInitializer = new Placeholder();
87
88      OperatorGraph.InitialOperator = realVectorCreater;
89
90      realVectorCreater.OperatorParameter.ActualName = SolutionCreatorParameter.Name;
91      realVectorCreater.Successor = personalBestPositionAssigner;
92
93      personalBestPositionAssigner.LeftSideParameter.ActualName = PersonalBestParameter.Name;
94      personalBestPositionAssigner.RightSideParameter.ActualName = RealVectorParameter.Name;
95      personalBestPositionAssigner.Successor = velocityInitializer;
96
97      velocityInitializer.OperatorParameter.ActualName = VelocityInitializerParameter.Name;
98      velocityInitializer.Successor = null;
99    }
100    public override IDeepCloneable Clone(Cloner cloner) {
101      return new SPSOParticleCreator(this, cloner);
102    }
103    #endregion
104  }
105}
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