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source: trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/ParticleOperators/RealVectorParticleCreator.cs @ 5560

Last change on this file since 5560 was 5560, checked in by mkofler, 12 years ago

#852: Code refactoring. Created new interfaces and moved operators to respective projects as suggested in A. Beham's review. Work in progress.

File size: 4.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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 System;
23using HeuristicLab.Operators;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28using HeuristicLab.Common;
29using HeuristicLab.Optimization;
30
31namespace HeuristicLab.Encodings.RealVectorEncoding {
32  [Item("RealVectorParticleCreator", "Creates a particle with position, zero velocity vector and personal best.")]
33  [StorableClass]
34  public class RealVectorParticleCreator : SingleSuccessorOperator, IRealVectorParticleCreator {
35    #region IRealVectorParticleCreator Members
36    public ILookupParameter<IntValue> ProblemSizeParameter {
37     get { return (ILookupParameter<IntValue>)Parameters["ProblemSize"]; }
38    }
39
40    public ILookupParameter<RealVector> RealVectorParameter {
41      get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
42    }
43
44    public ILookupParameter<RealVector> PersonalBestParameter {
45      get { return (ILookupParameter<RealVector>)Parameters["PersonalBest"]; }
46    }
47
48    public IValueLookupParameter<DoubleMatrix> BoundsParameter {
49      get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
50    }
51
52    public ILookupParameter<RealVector> VelocityParameter {
53      get { return (ILookupParameter<RealVector>)Parameters["Velocity"]; }
54    }
55
56    #endregion
57
58    public RealVectorParticleCreator() : base() {
59      Parameters.Add(new LookupParameter<IntValue>("ProblemSize", "The dimension of the problem."));
60      Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "The lower and upper bounds in each dimension."));
61      Parameters.Add(new LookupParameter<RealVector>("RealVector", "Particle's current solution"));
62      Parameters.Add(new LookupParameter<RealVector>("PersonalBest", "Particle's personal best solution."));
63      Parameters.Add(new LookupParameter<RealVector>("Velocity", "Particle's current velocity."));   
64    }
65
66    public override IOperation Apply() {
67      VelocityParameter.ActualValue = new RealVector(ProblemSizeParameter.ActualValue.Value);
68      UniformRandomRealVectorCreator realVectorCreater = new UniformRandomRealVectorCreator();
69      Assigner personalBestPositionAssigner = new Assigner();
70
71      this.Name = "Particle Creator";
72
73      //realVectorCreater.Name = "(SolutionCreator)";
74      realVectorCreater.RealVectorParameter.ActualName = "RealVector";
75      realVectorCreater.LengthParameter.ActualName = ProblemSizeParameter.Name;
76      realVectorCreater.BoundsParameter.ActualName = BoundsParameter.Name;
77      realVectorCreater.Successor = personalBestPositionAssigner;
78
79      personalBestPositionAssigner.LeftSideParameter.ActualName = "PersonalBest";
80      personalBestPositionAssigner.RightSideParameter.ActualName = "RealVector";
81      personalBestPositionAssigner.Successor = null;
82
83      OperationCollection next = new OperationCollection();
84      next.Add(ExecutionContext.CreateChildOperation(realVectorCreater));
85      next.Add(base.Apply());
86      return next;
87    }
88
89    public override IDeepCloneable Clone(Cloner cloner) {
90      return new RealVectorParticleCreator(this, cloner);
91    }
92
93    protected RealVectorParticleCreator(RealVectorParticleCreator original, Cloner cloner)
94      : base(original, cloner) {
95    }
96
97    [StorableConstructor]
98    protected RealVectorParticleCreator(bool deserializing) : base(deserializing) { }
99  }
100}
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