[3226] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[12009] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3226] | 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 System;
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[4533] | 23 | using System.Collections.Generic;
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[3226] | 24 | using System.Drawing;
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[3716] | 25 | using HeuristicLab.Collections;
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[3265] | 26 | using HeuristicLab.Common;
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[3226] | 27 | using HeuristicLab.Core;
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[3716] | 28 | using HeuristicLab.Data;
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[3226] | 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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| 31 | namespace HeuristicLab.Optimization {
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[8194] | 32 | internal enum BatchRunAction { None, Prepare, Start, Pause, Stop };
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| 33 |
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[3226] | 34 | /// <summary>
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[5300] | 35 | /// A run in which an optimizer is executed a given number of times.
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[3226] | 36 | /// </summary>
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[5300] | 37 | [Item("Batch Run", "A run in which an optimizer is executed a given number of times.")]
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[3226] | 38 | [Creatable("Testing & Analysis")]
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| 39 | [StorableClass]
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[4419] | 40 | public sealed class BatchRun : NamedItem, IOptimizer, IStorableContent {
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| 41 | public string Filename { get; set; }
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| 42 |
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[7201] | 43 | public static new Image StaticItemImage {
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| 44 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Event; }
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| 45 | }
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[3226] | 46 | public override Image ItemImage {
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[3351] | 47 | get {
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[6534] | 48 | if (ExecutionState == ExecutionState.Prepared) return HeuristicLab.Common.Resources.VSImageLibrary.BatchRunPrepared;
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| 49 | else if (ExecutionState == ExecutionState.Started) return HeuristicLab.Common.Resources.VSImageLibrary.BatchRunStarted;
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| 50 | else if (ExecutionState == ExecutionState.Paused) return HeuristicLab.Common.Resources.VSImageLibrary.BatchRunPaused;
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| 51 | else if (ExecutionState == ExecutionState.Stopped) return HeuristicLab.Common.Resources.VSImageLibrary.BatchRunStopped;
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[7201] | 52 | else return base.ItemImage;
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[3351] | 53 | }
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[3226] | 54 | }
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| 55 |
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[3265] | 56 | [Storable]
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| 57 | private ExecutionState executionState;
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| 58 | public ExecutionState ExecutionState {
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| 59 | get { return executionState; }
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| 60 | private set {
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| 61 | if (executionState != value) {
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| 62 | executionState = value;
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| 63 | OnExecutionStateChanged();
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[3351] | 64 | OnItemImageChanged();
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[3265] | 65 | }
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| 66 | }
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| 67 | }
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| 68 |
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| 69 | [Storable]
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| 70 | private TimeSpan executionTime;
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| 71 | public TimeSpan ExecutionTime {
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| 72 | get {
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[5300] | 73 | if ((Optimizer != null) && (Optimizer.ExecutionState != ExecutionState.Stopped))
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| 74 | return executionTime + Optimizer.ExecutionTime;
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[3265] | 75 | else
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| 76 | return executionTime;
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| 77 | }
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| 78 | private set {
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| 79 | executionTime = value;
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| 80 | OnExecutionTimeChanged();
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| 81 | }
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| 82 | }
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| 83 |
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[3280] | 84 | [Storable]
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[8149] | 85 | private TimeSpan runsExecutionTime;
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| 86 |
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| 87 | [Storable]
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[5300] | 88 | private IOptimizer optimizer;
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| 89 | public IOptimizer Optimizer {
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| 90 | get { return optimizer; }
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[3226] | 91 | set {
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[5300] | 92 | if (optimizer != value) {
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| 93 | if (optimizer != null) {
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| 94 | DeregisterOptimizerEvents();
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| 95 | IEnumerable<IRun> runs = optimizer.Runs;
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| 96 | optimizer = null; //necessary to avoid removing the runs from the old optimizer
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[4115] | 97 | Runs.RemoveRange(runs);
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| 98 | }
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[5300] | 99 | optimizer = value;
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| 100 | if (optimizer != null) {
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| 101 | RegisterOptimizerEvents();
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| 102 | Runs.AddRange(optimizer.Runs);
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[4115] | 103 | }
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[5300] | 104 | OnOptimizerChanged();
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[3716] | 105 | Prepare();
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[3226] | 106 | }
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| 107 | }
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| 108 | }
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[5300] | 109 | // BackwardsCompatibility3.3
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| 110 | #region Backwards compatible code (remove with 3.4)
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[5409] | 111 | [Storable(AllowOneWay = true)]
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[5300] | 112 | private IAlgorithm algorithm {
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| 113 | set { optimizer = value; }
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| 114 | }
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| 115 | #endregion
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[3226] | 116 |
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| 117 | [Storable]
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| 118 | private int repetitions;
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| 119 | public int Repetitions {
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| 120 | get { return repetitions; }
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| 121 | set {
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| 122 | if (repetitions != value) {
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| 123 | repetitions = value;
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| 124 | OnRepetitionsChanged();
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[5300] | 125 | if ((Optimizer != null) && (Optimizer.ExecutionState == ExecutionState.Stopped))
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[3275] | 126 | Prepare();
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[3226] | 127 | }
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| 128 | }
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| 129 | }
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[3716] | 130 | [Storable]
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| 131 | private int repetitionsCounter;
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[8668] | 132 | public int RepetitionsCounter {
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| 133 | get { return repetitionsCounter; }
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| 134 | private set {
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| 135 | if (value != repetitionsCounter) {
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| 136 | repetitionsCounter = value;
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| 137 | OnRepetitionsCounterChanged();
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| 138 | }
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| 139 | }
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| 140 | }
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[3226] | 141 |
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| 142 | [Storable]
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[3260] | 143 | private RunCollection runs;
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| 144 | public RunCollection Runs {
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| 145 | get { return runs; }
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[3716] | 146 | private set {
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| 147 | if (value == null) throw new ArgumentNullException();
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| 148 | if (runs != value) {
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| 149 | if (runs != null) DeregisterRunsEvents();
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| 150 | runs = value;
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| 151 | if (runs != null) RegisterRunsEvents();
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| 152 | }
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| 153 | }
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[3226] | 154 | }
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| 155 |
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[5419] | 156 | public IEnumerable<IOptimizer> NestedOptimizers {
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| 157 | get {
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| 158 | if (Optimizer == null) yield break;
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| 159 |
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| 160 | yield return Optimizer;
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| 161 | foreach (IOptimizer opt in Optimizer.NestedOptimizers)
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| 162 | yield return opt;
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| 163 | }
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| 164 | }
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| 165 |
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[8194] | 166 | private BatchRunAction batchRunAction = BatchRunAction.None;
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[3226] | 167 |
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| 168 | public BatchRun()
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| 169 | : base() {
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[3280] | 170 | name = ItemName;
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| 171 | description = ItemDescription;
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[3265] | 172 | executionState = ExecutionState.Stopped;
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| 173 | executionTime = TimeSpan.Zero;
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[8149] | 174 | runsExecutionTime = TimeSpan.Zero;
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[3226] | 175 | repetitions = 10;
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[3716] | 176 | repetitionsCounter = 0;
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[8975] | 177 | Runs = new RunCollection { OptimizerName = Name };
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[3226] | 178 | }
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[3280] | 179 | public BatchRun(string name)
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| 180 | : base(name) {
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| 181 | description = ItemDescription;
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[3265] | 182 | executionState = ExecutionState.Stopped;
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| 183 | executionTime = TimeSpan.Zero;
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[8149] | 184 | runsExecutionTime = TimeSpan.Zero;
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[3226] | 185 | repetitions = 10;
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[3716] | 186 | repetitionsCounter = 0;
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[8975] | 187 | Runs = new RunCollection { OptimizerName = Name };
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[3226] | 188 | }
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[3280] | 189 | public BatchRun(string name, string description)
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| 190 | : base(name, description) {
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[3265] | 191 | executionState = ExecutionState.Stopped;
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| 192 | executionTime = TimeSpan.Zero;
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[8149] | 193 | runsExecutionTime = TimeSpan.Zero;
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[3226] | 194 | repetitions = 10;
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[3716] | 195 | repetitionsCounter = 0;
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[8975] | 196 | Runs = new RunCollection { OptimizerName = Name };
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[3226] | 197 | }
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[3280] | 198 | [StorableConstructor]
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[6767] | 199 | private BatchRun(bool deserializing) : base(deserializing) { }
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[3280] | 200 | [StorableHook(HookType.AfterDeserialization)]
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[4722] | 201 | private void AfterDeserialization() {
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| 202 | Initialize();
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[3280] | 203 | }
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| 204 |
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[4722] | 205 | private BatchRun(BatchRun original, Cloner cloner)
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| 206 | : base(original, cloner) {
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| 207 | executionState = original.executionState;
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| 208 | executionTime = original.executionTime;
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[8149] | 209 | runsExecutionTime = original.runsExecutionTime;
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[5300] | 210 | optimizer = cloner.Clone(original.optimizer);
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[4722] | 211 | repetitions = original.repetitions;
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| 212 | repetitionsCounter = original.repetitionsCounter;
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| 213 | runs = cloner.Clone(original.runs);
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[8194] | 214 | batchRunAction = original.batchRunAction;
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[4722] | 215 | Initialize();
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| 216 | }
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[3226] | 217 | public override IDeepCloneable Clone(Cloner cloner) {
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[3280] | 218 | if (ExecutionState == ExecutionState.Started) throw new InvalidOperationException(string.Format("Clone not allowed in execution state \"{0}\".", ExecutionState));
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[4722] | 219 | return new BatchRun(this, cloner);
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[3226] | 220 | }
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| 221 |
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[4722] | 222 | private void Initialize() {
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[5300] | 223 | if (optimizer != null) RegisterOptimizerEvents();
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[4722] | 224 | if (runs != null) RegisterRunsEvents();
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| 225 | }
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| 226 |
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[3226] | 227 | public void Prepare() {
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[3275] | 228 | Prepare(false);
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[3226] | 229 | }
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[3275] | 230 | public void Prepare(bool clearRuns) {
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[3265] | 231 | if ((ExecutionState != ExecutionState.Prepared) && (ExecutionState != ExecutionState.Paused) && (ExecutionState != ExecutionState.Stopped))
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| 232 | throw new InvalidOperationException(string.Format("Prepare not allowed in execution state \"{0}\".", ExecutionState));
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[5300] | 233 | if (Optimizer != null) {
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[8149] | 234 | ExecutionTime = TimeSpan.Zero;
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[8668] | 235 | RepetitionsCounter = 0;
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[3716] | 236 | if (clearRuns) runs.Clear();
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[8194] | 237 | batchRunAction = BatchRunAction.Prepare;
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| 238 | // a race-condition may occur when the optimizer has changed the state by itself in the meantime
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[8975] | 239 | try { Optimizer.Prepare(clearRuns); } catch (InvalidOperationException) { }
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[6471] | 240 | } else {
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| 241 | ExecutionState = ExecutionState.Stopped;
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[3261] | 242 | }
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[3226] | 243 | }
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[3265] | 244 | public void Start() {
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| 245 | if ((ExecutionState != ExecutionState.Prepared) && (ExecutionState != ExecutionState.Paused))
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| 246 | throw new InvalidOperationException(string.Format("Start not allowed in execution state \"{0}\".", ExecutionState));
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[6767] | 247 | if (Optimizer == null) return;
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[8194] | 248 | batchRunAction = BatchRunAction.Start;
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[6816] | 249 | if (Optimizer.ExecutionState == ExecutionState.Stopped) Optimizer.Prepare();
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[8194] | 250 | // a race-condition may occur when the optimizer has changed the state by itself in the meantime
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[8975] | 251 | try { Optimizer.Start(); } catch (InvalidOperationException) { }
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[3265] | 252 | }
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| 253 | public void Pause() {
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| 254 | if (ExecutionState != ExecutionState.Started)
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| 255 | throw new InvalidOperationException(string.Format("Pause not allowed in execution state \"{0}\".", ExecutionState));
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[6767] | 256 | if (Optimizer == null) return;
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[8194] | 257 | batchRunAction = BatchRunAction.Pause;
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[6767] | 258 | if (Optimizer.ExecutionState != ExecutionState.Started) return;
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[8194] | 259 | // a race-condition may occur when the optimizer has changed the state by itself in the meantime
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[8975] | 260 | try { Optimizer.Pause(); } catch (InvalidOperationException) { }
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[3265] | 261 | }
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[3226] | 262 | public void Stop() {
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[3265] | 263 | if ((ExecutionState != ExecutionState.Started) && (ExecutionState != ExecutionState.Paused))
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| 264 | throw new InvalidOperationException(string.Format("Stop not allowed in execution state \"{0}\".", ExecutionState));
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[6767] | 265 | if (Optimizer == null) return;
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[8194] | 266 | batchRunAction = BatchRunAction.Stop;
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[8190] | 267 | if (Optimizer.ExecutionState != ExecutionState.Started && Optimizer.ExecutionState != ExecutionState.Paused) {
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| 268 | OnStopped();
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| 269 | return;
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| 270 | }
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[8194] | 271 | // a race-condition may occur when the optimizer has changed the state by itself in the meantime
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[8975] | 272 | try { Optimizer.Stop(); } catch (InvalidOperationException) { }
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[3226] | 273 | }
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| 274 |
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| 275 | #region Events
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[8738] | 276 | protected override void OnNameChanged() {
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| 277 | base.OnNameChanged();
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[8975] | 278 | runs.OptimizerName = Name;
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[8738] | 279 | }
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| 280 |
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[3265] | 281 | public event EventHandler ExecutionStateChanged;
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| 282 | private void OnExecutionStateChanged() {
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| 283 | EventHandler handler = ExecutionStateChanged;
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| 284 | if (handler != null) handler(this, EventArgs.Empty);
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| 285 | }
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| 286 | public event EventHandler ExecutionTimeChanged;
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| 287 | private void OnExecutionTimeChanged() {
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| 288 | EventHandler handler = ExecutionTimeChanged;
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| 289 | if (handler != null) handler(this, EventArgs.Empty);
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| 290 | }
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[5300] | 291 | public event EventHandler OptimizerChanged;
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| 292 | private void OnOptimizerChanged() {
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| 293 | EventHandler handler = OptimizerChanged;
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[3265] | 294 | if (handler != null) handler(this, EventArgs.Empty);
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[3226] | 295 | }
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| 296 | public event EventHandler RepetitionsChanged;
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| 297 | private void OnRepetitionsChanged() {
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[3265] | 298 | EventHandler handler = RepetitionsChanged;
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| 299 | if (handler != null) handler(this, EventArgs.Empty);
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[3226] | 300 | }
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[8668] | 301 | public event EventHandler RepetetionsCounterChanged;
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| 302 | private void OnRepetitionsCounterChanged() {
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| 303 | EventHandler handler = RepetetionsCounterChanged;
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| 304 | if (handler != null) handler(this, EventArgs.Empty);
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| 305 | }
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[3226] | 306 | public event EventHandler Prepared;
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| 307 | private void OnPrepared() {
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[8194] | 308 | batchRunAction = BatchRunAction.None;
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[3265] | 309 | ExecutionState = ExecutionState.Prepared;
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| 310 | EventHandler handler = Prepared;
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| 311 | if (handler != null) handler(this, EventArgs.Empty);
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[3226] | 312 | }
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| 313 | public event EventHandler Started;
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| 314 | private void OnStarted() {
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[8194] | 315 | // no reset of BatchRunAction.Started, because we need to differ which of the two was started by the user
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[3265] | 316 | ExecutionState = ExecutionState.Started;
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| 317 | EventHandler handler = Started;
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| 318 | if (handler != null) handler(this, EventArgs.Empty);
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[3226] | 319 | }
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[3265] | 320 | public event EventHandler Paused;
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| 321 | private void OnPaused() {
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[8194] | 322 | batchRunAction = BatchRunAction.None;
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[3265] | 323 | ExecutionState = ExecutionState.Paused;
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| 324 | EventHandler handler = Paused;
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| 325 | if (handler != null) handler(this, EventArgs.Empty);
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| 326 | }
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[3226] | 327 | public event EventHandler Stopped;
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| 328 | private void OnStopped() {
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[8194] | 329 | batchRunAction = BatchRunAction.None;
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[3265] | 330 | ExecutionState = ExecutionState.Stopped;
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| 331 | EventHandler handler = Stopped;
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| 332 | if (handler != null) handler(this, EventArgs.Empty);
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[3226] | 333 | }
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[3265] | 334 | public event EventHandler<EventArgs<Exception>> ExceptionOccurred;
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[3226] | 335 | private void OnExceptionOccurred(Exception exception) {
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[3265] | 336 | EventHandler<EventArgs<Exception>> handler = ExceptionOccurred;
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| 337 | if (handler != null) handler(this, new EventArgs<Exception>(exception));
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[3226] | 338 | }
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| 339 |
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[5300] | 340 | private void RegisterOptimizerEvents() {
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| 341 | optimizer.ExceptionOccurred += new EventHandler<EventArgs<Exception>>(Optimizer_ExceptionOccurred);
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| 342 | optimizer.ExecutionTimeChanged += new EventHandler(Optimizer_ExecutionTimeChanged);
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| 343 | optimizer.Paused += new EventHandler(Optimizer_Paused);
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| 344 | optimizer.Prepared += new EventHandler(Optimizer_Prepared);
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| 345 | optimizer.Started += new EventHandler(Optimizer_Started);
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| 346 | optimizer.Stopped += new EventHandler(Optimizer_Stopped);
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| 347 | optimizer.Runs.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Optimizer_Runs_CollectionReset);
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| 348 | optimizer.Runs.ItemsAdded += new CollectionItemsChangedEventHandler<IRun>(Optimizer_Runs_ItemsAdded);
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| 349 | optimizer.Runs.ItemsRemoved += new CollectionItemsChangedEventHandler<IRun>(Optimizer_Runs_ItemsRemoved);
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[3261] | 350 | }
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[5300] | 351 | private void DeregisterOptimizerEvents() {
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| 352 | optimizer.ExceptionOccurred -= new EventHandler<EventArgs<Exception>>(Optimizer_ExceptionOccurred);
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| 353 | optimizer.ExecutionTimeChanged -= new EventHandler(Optimizer_ExecutionTimeChanged);
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| 354 | optimizer.Paused -= new EventHandler(Optimizer_Paused);
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| 355 | optimizer.Prepared -= new EventHandler(Optimizer_Prepared);
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| 356 | optimizer.Started -= new EventHandler(Optimizer_Started);
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| 357 | optimizer.Stopped -= new EventHandler(Optimizer_Stopped);
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| 358 | optimizer.Runs.CollectionReset -= new CollectionItemsChangedEventHandler<IRun>(Optimizer_Runs_CollectionReset);
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| 359 | optimizer.Runs.ItemsAdded -= new CollectionItemsChangedEventHandler<IRun>(Optimizer_Runs_ItemsAdded);
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| 360 | optimizer.Runs.ItemsRemoved -= new CollectionItemsChangedEventHandler<IRun>(Optimizer_Runs_ItemsRemoved);
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[3226] | 361 | }
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[5300] | 362 | private void Optimizer_ExceptionOccurred(object sender, EventArgs<Exception> e) {
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[3261] | 363 | OnExceptionOccurred(e.Value);
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[3226] | 364 | }
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[5300] | 365 | private void Optimizer_ExecutionTimeChanged(object sender, EventArgs e) {
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[3265] | 366 | OnExecutionTimeChanged();
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| 367 | }
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[5300] | 368 | private void Optimizer_Paused(object sender, EventArgs e) {
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[6767] | 369 | if (ExecutionState == ExecutionState.Started) {
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| 370 | OnPaused();
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| 371 | }
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[3265] | 372 | }
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[5300] | 373 | private void Optimizer_Prepared(object sender, EventArgs e) {
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[8194] | 374 | if (batchRunAction == BatchRunAction.Prepare || ExecutionState == ExecutionState.Stopped) {
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[8150] | 375 | ExecutionTime = TimeSpan.Zero;
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| 376 | runsExecutionTime = TimeSpan.Zero;
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[8668] | 377 | RepetitionsCounter = 0;
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[3276] | 378 | OnPrepared();
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[6767] | 379 | }
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[3265] | 380 | }
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[5300] | 381 | private void Optimizer_Started(object sender, EventArgs e) {
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[3276] | 382 | if (ExecutionState != ExecutionState.Started)
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| 383 | OnStarted();
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[3261] | 384 | }
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[5300] | 385 | private void Optimizer_Stopped(object sender, EventArgs e) {
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[8668] | 386 | RepetitionsCounter++;
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[8149] | 387 | ExecutionTime += runsExecutionTime;
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| 388 | runsExecutionTime = TimeSpan.Zero;
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[3265] | 389 |
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[8194] | 390 | if (batchRunAction == BatchRunAction.Stop) OnStopped();
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[6767] | 391 | else if (repetitionsCounter >= repetitions) OnStopped();
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[8194] | 392 | else if (batchRunAction == BatchRunAction.Pause) OnPaused();
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| 393 | else if (batchRunAction == BatchRunAction.Start) {
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[5300] | 394 | Optimizer.Prepare();
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| 395 | Optimizer.Start();
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[8189] | 396 | } else if (executionState == ExecutionState.Started) {
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| 397 | // if the batch run hasn't been started but the inner optimizer was run then pause
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| 398 | OnPaused();
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[6767] | 399 | } else OnStopped();
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[3226] | 400 | }
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[5300] | 401 | private void Optimizer_Runs_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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[3275] | 402 | Runs.RemoveRange(e.OldItems);
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| 403 | Runs.AddRange(e.Items);
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| 404 | }
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[5300] | 405 | private void Optimizer_Runs_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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[3275] | 406 | Runs.AddRange(e.Items);
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| 407 | }
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[5300] | 408 | private void Optimizer_Runs_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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[3275] | 409 | Runs.RemoveRange(e.Items);
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| 410 | }
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[3716] | 411 |
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| 412 | private void RegisterRunsEvents() {
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| 413 | runs.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Runs_CollectionReset);
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[4115] | 414 | runs.ItemsAdded += new CollectionItemsChangedEventHandler<IRun>(Runs_ItemsAdded);
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[3716] | 415 | runs.ItemsRemoved += new CollectionItemsChangedEventHandler<IRun>(Runs_ItemsRemoved);
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| 416 | }
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[4115] | 417 |
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[3716] | 418 | private void DeregisterRunsEvents() {
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| 419 | runs.CollectionReset -= new CollectionItemsChangedEventHandler<IRun>(Runs_CollectionReset);
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[4115] | 420 | runs.ItemsAdded -= new CollectionItemsChangedEventHandler<IRun>(Runs_ItemsAdded);
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[3716] | 421 | runs.ItemsRemoved -= new CollectionItemsChangedEventHandler<IRun>(Runs_ItemsRemoved);
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| 422 | }
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| 423 | private void Runs_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
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[5300] | 424 | if (Optimizer != null) Optimizer.Runs.RemoveRange(e.OldItems);
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[3716] | 425 | foreach (IRun run in e.Items) {
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| 426 | IItem item;
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| 427 | run.Results.TryGetValue("Execution Time", out item);
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| 428 | TimeSpanValue executionTime = item as TimeSpanValue;
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| 429 | if (executionTime != null) ExecutionTime += executionTime.Value;
|
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| 430 | }
|
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| 431 | }
|
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[4115] | 432 | private void Runs_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IRun> e) {
|
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| 433 | foreach (IRun run in e.Items) {
|
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| 434 | IItem item;
|
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| 435 | run.Results.TryGetValue("Execution Time", out item);
|
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| 436 | TimeSpanValue executionTime = item as TimeSpanValue;
|
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[8149] | 437 | if (executionTime != null) {
|
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| 438 | if (Optimizer.ExecutionState == ExecutionState.Started)
|
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| 439 | runsExecutionTime += executionTime.Value;
|
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| 440 | else
|
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| 441 | ExecutionTime += executionTime.Value;
|
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| 442 | }
|
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[4115] | 443 | }
|
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| 444 | }
|
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[3716] | 445 | private void Runs_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IRun> e) {
|
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[5300] | 446 | if (Optimizer != null) Optimizer.Runs.RemoveRange(e.Items);
|
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[3716] | 447 | }
|
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[3226] | 448 | #endregion
|
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| 449 | }
|
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| 450 | }
|
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