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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22 | using System;
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23 | using HeuristicLab.Common;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Data;
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26 | using HeuristicLab.Parameters;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 |
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29 |
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30 | namespace HeuristicLab.Termination {
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31 | [Item("ThresholdTerminator", "Base class for all termination criteria which specifies some threshold.")]
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32 | [StorableClass]
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33 | public abstract class ThresholdTerminator<T> : Terminator where T : class, IItem, IStringConvertibleValue, new() {
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34 | public IFixedValueParameter<T> ThresholdParameter {
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35 | get { return (IFixedValueParameter<T>)Parameters["Threshold"]; }
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36 | }
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37 |
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38 | public T Threshold {
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39 | get { return ThresholdParameter.Value; }
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40 | }
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41 |
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42 | [StorableConstructor]
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43 | protected ThresholdTerminator(bool deserializing) : base(deserializing) { }
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44 | [StorableHook(HookType.AfterDeserialization)]
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45 | private void AfterDeserialization() {
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46 | Initialize();
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47 | }
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48 | protected ThresholdTerminator(ThresholdTerminator<T> original, Cloner cloner)
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49 | : base(original, cloner) {
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50 | Initialize();
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51 | }
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52 | protected ThresholdTerminator()
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53 | : this(new T()) { }
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54 | protected ThresholdTerminator(T threshold)
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55 | : base() {
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56 | if (threshold == null) throw new ArgumentNullException("threshold");
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57 | Parameters.Add(new FixedValueParameter<T>("Threshold", "The limit of the termiation criterion.", threshold));
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58 | Initialize();
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59 | }
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60 |
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61 | private void Initialize() {
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62 | Threshold.ValueChanged += new EventHandler(Threshold_ValueChanged);
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63 | }
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64 |
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65 | private void Threshold_ValueChanged(object sender, EventArgs e) {
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66 | OnThresholdChanged();
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67 | }
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68 | protected virtual void OnThresholdChanged() {
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69 | OnToStringChanged();
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70 | }
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71 |
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72 | public override string ToString() {
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73 | if (ThresholdParameter.Value == null) return Name;
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74 | else return Name + ": " + ThresholdParameter.Value;
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75 | }
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76 | }
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77 | } |
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