#region License Information
/* HeuristicLab
* Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Encodings.PermutationEncoding;
using HeuristicLab.Optimization;
using HeuristicLab.Parameters;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
namespace HeuristicLab.Encodings.ScheduleEncoding.JobSequenceMatrix {
[Item("JobSequenceMatrixCreator", "Creator class used to create Job Sequence Matrix solutions for standard JobShop scheduling problems.")]
[StorableClass]
public class JSMRandomCreator : ScheduleCreator, IStochasticOperator {
public ILookupParameter RandomParameter {
get { return (LookupParameter)Parameters["Random"]; }
}
public IValueLookupParameter JobsParameter {
get { return (IValueLookupParameter)Parameters["Jobs"]; }
}
public IValueLookupParameter ResourcesParameter {
get { return (IValueLookupParameter)Parameters["Resources"]; }
}
[StorableConstructor]
protected JSMRandomCreator(bool deserializing) : base(deserializing) { }
protected JSMRandomCreator(JSMRandomCreator original, Cloner cloner) : base(original, cloner) { }
public JSMRandomCreator()
: base() {
Parameters.Add(new LookupParameter("Random", "The pseudo random number generator."));
Parameters.Add(new ValueLookupParameter("Jobs", "The number of jobs handled in this problem instance."));
Parameters.Add(new ValueLookupParameter("Resources", "The number of resources used in this problem instance."));
ScheduleEncodingParameter.ActualName = "JobSequenceMatrix";
}
public override IDeepCloneable Clone(Cloner cloner) {
return new JSMRandomCreator(this, cloner);
}
public static JSMEncoding Apply(int jobs, int resources, IRandom random) {
var solution = new JSMEncoding();
for (int i = 0; i < resources; i++) {
solution.JobSequenceMatrix.Add(new Permutation(PermutationTypes.Absolute, jobs, random));
}
return solution;
}
protected override IScheduleEncoding CreateSolution() {
return Apply(JobsParameter.ActualValue.Value, ResourcesParameter.ActualValue.Value, RandomParameter.ActualValue);
}
}
}