[12303] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 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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[12413] | 22 | using System.Collections.Generic;
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[12405] | 23 | using System.Drawing;
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[12303] | 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Operators;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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[12529] | 31 | namespace HeuristicLab.Optimization {
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[12402] | 32 | [Item("Terminator", "A base class for all termination criteria.")]
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[12303] | 33 | [StorableClass]
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[12414] | 34 | public abstract class Terminator : SingleSuccessorOperator, ITerminator {
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[12405] | 35 | public static new Image StaticItemImage {
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| 36 | get { return HeuristicLab.Common.Resources.VSImageLibrary.FlagRed; }
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| 37 | }
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| 38 |
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[12303] | 39 | public ILookupParameter<BoolValue> TerminateParameter {
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| 40 | get { return (ILookupParameter<BoolValue>)Parameters["Terminate"]; }
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| 41 | }
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| 42 |
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| 43 | [StorableConstructor]
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[12402] | 44 | protected Terminator(bool deserializing) : base(deserializing) { }
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| 45 | protected Terminator(Terminator original, Cloner cloner) : base(original, cloner) { }
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[12303] | 46 |
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[12402] | 47 | protected Terminator()
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[12303] | 48 | : base() {
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| 49 | Parameters.Add(new LookupParameter<BoolValue>("Terminate", "The parameter which will be set to determine if execution should be terminated or should continue."));
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| 50 | }
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| 51 |
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[12414] | 52 | public sealed override IOperation Apply() {
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[12303] | 53 | if (!TerminateParameter.ActualValue.Value) { // If terminate flag is already set, no need to check further termination criteria.
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[12407] | 54 | bool terminate = !CheckContinueCriterion();
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[12436] | 55 | TerminateParameter.ActualValue.Value = terminate;
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[12303] | 56 | }
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[12414] | 57 | return base.Apply();
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[12303] | 58 | }
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| 59 |
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[12407] | 60 | protected abstract bool CheckContinueCriterion();
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[12413] | 61 |
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| 62 | public override void CollectParameterValues(IDictionary<string, IItem> values) {
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| 63 | base.CollectParameterValues(values);
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| 64 | values["Type"] = new StringValue(GetType().GetPrettyName(false));
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| 65 | }
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[12303] | 66 | }
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| 67 | } |
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