[12303] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16956] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[12303] | 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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[16956] | 27 | using HEAL.Attic;
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[12303] | 28 |
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[12529] | 29 | namespace HeuristicLab.Optimization {
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[12307] | 30 | [Item("TerminationOperator", "An operator which either calls the terminate- or the continue branch.")]
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[16956] | 31 | [StorableType("FD4B77FF-4C9D-45D9-8CDF-F5F5EE2664F7")]
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[12444] | 32 | public sealed class TerminationOperator : InstrumentedOperator, ITerminationBasedOperator {
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[12447] | 33 | public ILookupParameter<ITerminator> TerminatorParameter {
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| 34 | get { return (ILookupParameter<ITerminator>)Parameters["Terminator"]; }
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[12303] | 35 | }
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| 36 | public ILookupParameter<BoolValue> TerminateParameter {
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| 37 | get { return (ILookupParameter<BoolValue>)Parameters["Terminate"]; }
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| 38 | }
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| 39 | private OperatorParameter ContinueBranchParameter {
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| 40 | get { return (OperatorParameter)Parameters["ContinueBranch"]; }
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| 41 | }
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| 42 | private OperatorParameter TerminateBranchParameter {
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| 43 | get { return (OperatorParameter)Parameters["TerminateBranch"]; }
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| 44 | }
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| 45 |
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| 46 | public IOperator ContinueBranch {
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| 47 | get { return ContinueBranchParameter.Value; }
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| 48 | set { ContinueBranchParameter.Value = value; }
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| 49 | }
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| 50 | public IOperator TerminateBranch {
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| 51 | get { return TerminateBranchParameter.Value; }
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| 52 | set { TerminateBranchParameter.Value = value; }
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| 53 | }
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| 54 |
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| 55 | [StorableConstructor]
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[16956] | 56 | private TerminationOperator(StorableConstructorFlag _) : base(_) { }
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[12303] | 57 | private TerminationOperator(TerminationOperator original, Cloner cloner)
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| 58 | : base(original, cloner) {
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| 59 | }
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| 60 | public override IDeepCloneable Clone(Cloner cloner) {
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| 61 | return new TerminationOperator(this, cloner);
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| 62 | }
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| 63 |
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| 64 | public TerminationOperator()
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| 65 | : base() {
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[12447] | 66 | Parameters.Add(new LookupParameter<ITerminator>("Terminator", "The termination criteria which sould be checked."));
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[12303] | 67 | Parameters.Add(new LookupParameter<BoolValue>("Terminate", "The parameter which will be set to determine if execution should be terminated or schould continue."));
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| 68 | Parameters.Add(new OperatorParameter("ContinueBranch", "The operator which is executed if no termination criteria has met."));
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| 69 | Parameters.Add(new OperatorParameter("TerminateBranch", "The operator which is executed if any termination criteria has met."));
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| 70 |
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| 71 | var assigner = new Assigner() { Name = "Terminate = false" };
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| 72 | assigner.LeftSideParameter.ActualName = TerminateParameter.Name;
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| 73 | assigner.RightSideParameter.Value = new BoolValue(false);
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| 74 |
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[12308] | 75 | var placeholder = new Placeholder() { Name = "Check termination criteria (Placeholder)" };
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[12447] | 76 | placeholder.OperatorParameter.ActualName = TerminatorParameter.Name;
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[12307] | 77 |
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[12308] | 78 | BeforeExecutionOperators.Add(assigner);
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| 79 | BeforeExecutionOperators.Add(placeholder);
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[12303] | 80 | }
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| 81 |
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[12308] | 82 | public override IOperation InstrumentedApply() {
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| 83 | var next = new OperationCollection(base.InstrumentedApply());
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[12410] | 84 | if (TerminateParameter.ActualValue.Value) {
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[12308] | 85 | if (TerminateBranch != null) next.Insert(0, ExecutionContext.CreateOperation(TerminateBranch));
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| 86 | } else {
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| 87 | if (ContinueBranch != null) next.Insert(0, ExecutionContext.CreateOperation(ContinueBranch));
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| 88 | }
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| 89 | return next;
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[12303] | 90 | }
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| 91 | }
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| 92 | } |
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