[7395] | 1 | #region License Information
|
---|
| 2 | /* HeuristicLab
|
---|
[11170] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
[7395] | 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 |
|
---|
| 22 | using HeuristicLab.Common;
|
---|
| 23 | using HeuristicLab.Core;
|
---|
| 24 | using HeuristicLab.Parameters;
|
---|
| 25 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
| 26 |
|
---|
| 27 | namespace HeuristicLab.Operators {
|
---|
| 28 | [Item("LocalRandomCreator", "Creates a local pseudo random number generator from a global random number generator.")]
|
---|
| 29 | [StorableClass]
|
---|
| 30 | public sealed class LocalRandomCreator : SingleSuccessorOperator {
|
---|
| 31 | #region Parameter Properties
|
---|
| 32 | public LookupParameter<IRandom> GlobalRandomParameter {
|
---|
| 33 | get { return (LookupParameter<IRandom>)Parameters["GlobalRandom"]; }
|
---|
| 34 | }
|
---|
| 35 | public LookupParameter<IRandom> LocalRandomParameter {
|
---|
| 36 | get { return (LookupParameter<IRandom>)Parameters["LocalRandom"]; }
|
---|
| 37 | }
|
---|
| 38 | #endregion
|
---|
| 39 |
|
---|
| 40 | [StorableConstructor]
|
---|
| 41 | private LocalRandomCreator(bool deserializing) : base(deserializing) { }
|
---|
| 42 | private LocalRandomCreator(LocalRandomCreator original, Cloner cloner)
|
---|
| 43 | : base(original, cloner) {
|
---|
| 44 | }
|
---|
| 45 | public LocalRandomCreator()
|
---|
| 46 | : base() {
|
---|
| 47 | #region Create parameters
|
---|
| 48 | Parameters.Add(new LookupParameter<IRandom>("GlobalRandom", "The global random number generator which is used to initialize the local random number generator."));
|
---|
| 49 | Parameters.Add(new LookupParameter<IRandom>("LocalRandom", "The local pseudo random number generator."));
|
---|
| 50 | #endregion
|
---|
| 51 | }
|
---|
| 52 |
|
---|
| 53 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
| 54 | return new LocalRandomCreator(this, cloner);
|
---|
| 55 | }
|
---|
| 56 |
|
---|
| 57 | public override IOperation Apply() {
|
---|
| 58 | IRandom globalRandom = GlobalRandomParameter.ActualValue;
|
---|
| 59 | IRandom localRandom = (IRandom)globalRandom.Clone();
|
---|
| 60 | localRandom.Reset(globalRandom.Next());
|
---|
| 61 | LocalRandomParameter.ActualValue = localRandom;
|
---|
| 62 | return base.Apply();
|
---|
| 63 | }
|
---|
| 64 | }
|
---|
| 65 | }
|
---|