[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7270] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2] | 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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[4722] | 22 | using HeuristicLab.Common;
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[2] | 23 | using HeuristicLab.Core;
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| 24 | using HeuristicLab.Data;
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[2757] | 25 | using HeuristicLab.Parameters;
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| 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[2] | 27 |
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| 28 | namespace HeuristicLab.Operators {
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[801] | 29 | /// <summary>
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[2757] | 30 | /// A branch of two operators whose executions depend on a condition.
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[801] | 31 | /// </summary>
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[3439] | 32 | [Item("ConditionalBranch", "A branch of two operators whose executions depend on a boolean condition. If the boolean condition is not present, the false branch is executed.")]
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[3017] | 33 | [StorableClass]
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[2757] | 34 | public class ConditionalBranch : SingleSuccessorOperator {
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[3048] | 35 | public LookupParameter<BoolValue> ConditionParameter {
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| 36 | get { return (LookupParameter<BoolValue>)Parameters["Condition"]; }
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[2] | 37 | }
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[2757] | 38 | protected OperatorParameter TrueBranchParameter {
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| 39 | get { return (OperatorParameter)Parameters["TrueBranch"]; }
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| 40 | }
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| 41 | protected OperatorParameter FalseBranchParameter {
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| 42 | get { return (OperatorParameter)Parameters["FalseBranch"]; }
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| 43 | }
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| 44 | public IOperator TrueBranch {
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| 45 | get { return TrueBranchParameter.Value; }
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| 46 | set { TrueBranchParameter.Value = value; }
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| 47 | }
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| 48 | public IOperator FalseBranch {
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| 49 | get { return FalseBranchParameter.Value; }
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| 50 | set { FalseBranchParameter.Value = value; }
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| 51 | }
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[2] | 52 |
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[4722] | 53 | [StorableConstructor]
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| 54 | protected ConditionalBranch(bool deserializing) : base(deserializing) { }
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| 55 | protected ConditionalBranch(ConditionalBranch original, Cloner cloner)
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| 56 | : base(original, cloner) {
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| 57 | }
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[2] | 58 | public ConditionalBranch()
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| 59 | : base() {
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[3048] | 60 | Parameters.Add(new LookupParameter<BoolValue>("Condition", "A boolean variable which defines which branch is executed."));
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[2757] | 61 | Parameters.Add(new OperatorParameter("TrueBranch", "The operator which is executed if the condition is true."));
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| 62 | Parameters.Add(new OperatorParameter("FalseBranch", "The operator which is executed if the condition is false."));
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[2] | 63 | }
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| 64 |
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[4722] | 65 | public override IDeepCloneable Clone(Cloner cloner) {
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| 66 | return new ConditionalBranch(this, cloner);
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| 67 | }
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| 68 |
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[2834] | 69 | public override IOperation Apply() {
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| 70 | OperationCollection next = new OperationCollection(base.Apply());
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[3439] | 71 | if (ConditionParameter.ActualValue != null && ConditionParameter.ActualValue.Value) {
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[2834] | 72 | if (TrueBranch != null) next.Insert(0, ExecutionContext.CreateOperation(TrueBranch));
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[2757] | 73 | } else {
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[2834] | 74 | if (FalseBranch != null) next.Insert(0, ExecutionContext.CreateOperation(FalseBranch));
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[2757] | 75 | }
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| 76 | return next;
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[2] | 77 | }
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| 78 | }
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| 79 | }
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