[5560] | 1 | #region License Information
|
---|
| 2 | /* HeuristicLab
|
---|
[14185] | 3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
[5560] | 4 | *
|
---|
| 5 | * This file is part of HeuristicLab.
|
---|
| 6 | *
|
---|
| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
|
---|
| 8 | * it under the terms of the GNU General Public License as published by
|
---|
| 9 | * the Free Software Foundation, either version 3 of the License, or
|
---|
| 10 | * (at your option) any later version.
|
---|
| 11 | *
|
---|
| 12 | * HeuristicLab is distributed in the hope that it will be useful,
|
---|
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
| 15 | * GNU General Public License for more details.
|
---|
| 16 | *
|
---|
| 17 | * You should have received a copy of the GNU General Public License
|
---|
| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
|
---|
| 19 | */
|
---|
| 20 | #endregion
|
---|
| 21 |
|
---|
[5905] | 22 | using System;
|
---|
[15071] | 23 | using System.Collections.Generic;
|
---|
[5561] | 24 | using System.Linq;
|
---|
[5560] | 25 | using HeuristicLab.Common;
|
---|
| 26 | using HeuristicLab.Core;
|
---|
| 27 | using HeuristicLab.Data;
|
---|
| 28 | using HeuristicLab.Operators;
|
---|
[5568] | 29 | using HeuristicLab.Optimization;
|
---|
[5866] | 30 | using HeuristicLab.Optimization.Operators;
|
---|
[5560] | 31 | using HeuristicLab.Parameters;
|
---|
| 32 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
|
---|
[5866] | 33 | using HeuristicLab.PluginInfrastructure;
|
---|
[5560] | 34 |
|
---|
| 35 | namespace HeuristicLab.Encodings.RealVectorEncoding {
|
---|
[5911] | 36 | [Item("RealVectorSwarmUpdater", "Updates personal best point and quality as well as global best point and quality.")]
|
---|
[5560] | 37 | [StorableClass]
|
---|
[11970] | 38 | public sealed class RealVectorSwarmUpdater : SingleSuccessorOperator, IRealVectorSwarmUpdater, ISingleObjectiveOperator {
|
---|
[5592] | 39 |
|
---|
[5866] | 40 | [Storable]
|
---|
| 41 | private ResultsCollector ResultsCollector;
|
---|
| 42 |
|
---|
[5560] | 43 | public override bool CanChangeName {
|
---|
| 44 | get { return false; }
|
---|
| 45 | }
|
---|
| 46 |
|
---|
| 47 | #region Parameter properties
|
---|
[5561] | 48 | public IScopeTreeLookupParameter<DoubleValue> QualityParameter {
|
---|
| 49 | get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
|
---|
[5560] | 50 | }
|
---|
[5561] | 51 | public IScopeTreeLookupParameter<DoubleValue> PersonalBestQualityParameter {
|
---|
| 52 | get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["PersonalBestQuality"]; }
|
---|
[5560] | 53 | }
|
---|
[5568] | 54 | public IScopeTreeLookupParameter<DoubleValue> NeighborBestQualityParameter {
|
---|
| 55 | get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["NeighborBestQuality"]; }
|
---|
[5560] | 56 | }
|
---|
[5561] | 57 | public IScopeTreeLookupParameter<RealVector> RealVectorParameter {
|
---|
| 58 | get { return (IScopeTreeLookupParameter<RealVector>)Parameters["RealVector"]; }
|
---|
[5560] | 59 | }
|
---|
[5561] | 60 | public IScopeTreeLookupParameter<RealVector> PersonalBestParameter {
|
---|
| 61 | get { return (IScopeTreeLookupParameter<RealVector>)Parameters["PersonalBest"]; }
|
---|
[5560] | 62 | }
|
---|
[5568] | 63 | public IScopeTreeLookupParameter<RealVector> NeighborBestParameter {
|
---|
| 64 | get { return (IScopeTreeLookupParameter<RealVector>)Parameters["NeighborBest"]; }
|
---|
[5560] | 65 | }
|
---|
[5568] | 66 | public ILookupParameter<BoolValue> MaximizationParameter {
|
---|
| 67 | get { return (ILookupParameter<BoolValue>)Parameters["Maximization"]; }
|
---|
[5560] | 68 | }
|
---|
[7073] | 69 | public ILookupParameter<DoubleValue> SwarmBestQualityParameter {
|
---|
| 70 | get { return (ILookupParameter<DoubleValue>)Parameters["SwarmBestQuality"]; }
|
---|
[5561] | 71 | }
|
---|
[5643] | 72 | public ILookupParameter<RealVector> BestRealVectorParameter {
|
---|
| 73 | get { return (ILookupParameter<RealVector>)Parameters["BestRealVector"]; }
|
---|
[5561] | 74 | }
|
---|
| 75 | public IScopeTreeLookupParameter<IntArray> NeighborsParameter {
|
---|
| 76 | get { return (IScopeTreeLookupParameter<IntArray>)Parameters["Neighbors"]; }
|
---|
| 77 | }
|
---|
[5866] | 78 | public IValueLookupParameter<DoubleMatrix> VelocityBoundsParameter {
|
---|
| 79 | get { return (ValueLookupParameter<DoubleMatrix>)Parameters["VelocityBounds"]; }
|
---|
[5568] | 80 | }
|
---|
[5866] | 81 | public ILookupParameter<DoubleMatrix> CurrentVelocityBoundsParameter {
|
---|
| 82 | get { return (ILookupParameter<DoubleMatrix>)Parameters["CurrentVelocityBounds"]; }
|
---|
[5568] | 83 | }
|
---|
[5866] | 84 | public LookupParameter<ResultCollection> ResultsParameter {
|
---|
| 85 | get { return (LookupParameter<ResultCollection>)Parameters["Results"]; }
|
---|
| 86 | }
|
---|
| 87 |
|
---|
| 88 | #region Velocity Bounds Updating
|
---|
| 89 | public ILookupParameter<DoubleValue> VelocityBoundsScaleParameter {
|
---|
| 90 | get { return (ILookupParameter<DoubleValue>)Parameters["VelocityBoundsScale"]; }
|
---|
| 91 | }
|
---|
[8121] | 92 | public IConstrainedValueParameter<IDiscreteDoubleValueModifier> VelocityBoundsScalingOperatorParameter {
|
---|
| 93 | get { return (IConstrainedValueParameter<IDiscreteDoubleValueModifier>)Parameters["VelocityBoundsScalingOperator"]; }
|
---|
[5866] | 94 | }
|
---|
| 95 | public IValueLookupParameter<DoubleValue> VelocityBoundsStartValueParameter {
|
---|
| 96 | get { return (IValueLookupParameter<DoubleValue>)Parameters["VelocityBoundsStartValue"]; }
|
---|
| 97 | }
|
---|
| 98 | public IValueLookupParameter<DoubleValue> VelocityBoundsEndValueParameter {
|
---|
| 99 | get { return (IValueLookupParameter<DoubleValue>)Parameters["VelocityBoundsEndValue"]; }
|
---|
| 100 | }
|
---|
| 101 | public ILookupParameter<IntValue> VelocityBoundsIndexParameter {
|
---|
| 102 | get { return (ILookupParameter<IntValue>)Parameters["VelocityBoundsIndex"]; }
|
---|
| 103 | }
|
---|
| 104 | public IValueLookupParameter<IntValue> VelocityBoundsStartIndexParameter {
|
---|
| 105 | get { return (IValueLookupParameter<IntValue>)Parameters["VelocityBoundsStartIndex"]; }
|
---|
| 106 | }
|
---|
| 107 | public IValueLookupParameter<IntValue> VelocityBoundsEndIndexParameter {
|
---|
| 108 | get { return (IValueLookupParameter<IntValue>)Parameters["VelocityBoundsEndIndex"]; }
|
---|
| 109 | }
|
---|
[5560] | 110 | #endregion
|
---|
| 111 |
|
---|
[5866] | 112 | #endregion
|
---|
[15071] | 113 |
|
---|
[5560] | 114 | #region Construction & Cloning
|
---|
| 115 |
|
---|
| 116 | [StorableConstructor]
|
---|
| 117 | private RealVectorSwarmUpdater(bool deserializing) : base(deserializing) { }
|
---|
[5866] | 118 | private RealVectorSwarmUpdater(RealVectorSwarmUpdater original, Cloner cloner)
|
---|
| 119 | : base(original, cloner) {
|
---|
| 120 | ResultsCollector = cloner.Clone(original.ResultsCollector);
|
---|
| 121 | }
|
---|
[5560] | 122 | public RealVectorSwarmUpdater()
|
---|
| 123 | : base() {
|
---|
[7073] | 124 | Parameters.Add(new LookupParameter<DoubleValue>("SwarmBestQuality", "Swarm's best quality."));
|
---|
| 125 | Parameters.Add(new LookupParameter<RealVector>("BestRealVector", "Global best particle position."));
|
---|
| 126 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "Particles' qualities."));
|
---|
| 127 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("PersonalBestQuality", "Particles' personal best qualities."));
|
---|
| 128 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("NeighborBestQuality", "Best neighbor particles' qualities."));
|
---|
| 129 | Parameters.Add(new ScopeTreeLookupParameter<RealVector>("RealVector", "Particles' positions."));
|
---|
| 130 | Parameters.Add(new ScopeTreeLookupParameter<RealVector>("PersonalBest", "Particles' personal best positions."));
|
---|
| 131 | Parameters.Add(new ScopeTreeLookupParameter<RealVector>("NeighborBest", "Neighborhood (or global in case of totally connected neighborhood) best particle positions."));
|
---|
[5561] | 132 | Parameters.Add(new ScopeTreeLookupParameter<IntArray>("Neighbors", "The list of neighbors for each particle."));
|
---|
[5568] | 133 | Parameters.Add(new LookupParameter<BoolValue>("Maximization", "True if the problem is a maximization problem, otherwise false."));
|
---|
[5866] | 134 | Parameters.Add(new ValueLookupParameter<DoubleMatrix>("VelocityBounds", "Maximum velocity for each dimension.", new DoubleMatrix(new double[,] { { -1, 1 } })));
|
---|
| 135 | Parameters.Add(new LookupParameter<DoubleMatrix>("CurrentVelocityBounds", "Current value of velocity bounds."));
|
---|
| 136 | Parameters.Add(new LookupParameter<ResultCollection>("Results", "Results"));
|
---|
| 137 |
|
---|
| 138 | #region Velocity Bounds Updating
|
---|
| 139 | Parameters.Add(new LookupParameter<DoubleValue>("VelocityBoundsScale", "Scale parameter."));
|
---|
| 140 | Parameters.Add(new OptionalConstrainedValueParameter<IDiscreteDoubleValueModifier>("VelocityBoundsScalingOperator", "Modifies the value"));
|
---|
| 141 | Parameters.Add(new ValueLookupParameter<DoubleValue>("VelocityBoundsStartValue", "The start value of 'Value'.", new DoubleValue(1)));
|
---|
| 142 | Parameters.Add(new ValueLookupParameter<DoubleValue>("VelocityBoundsEndValue", "The end value of 'Value'.", new DoubleValue(1E-10)));
|
---|
[7745] | 143 | Parameters.Add(new LookupParameter<IntValue>("VelocityBoundsIndex", "The current index.", "Iterations"));
|
---|
[5866] | 144 | Parameters.Add(new ValueLookupParameter<IntValue>("VelocityBoundsStartIndex", "The start index at which to start modifying 'Value'.", new IntValue(0)));
|
---|
| 145 | Parameters.Add(new ValueLookupParameter<IntValue>("VelocityBoundsEndIndex", "The end index by which 'Value' should have reached 'EndValue'.", "MaxIterations"));
|
---|
| 146 | VelocityBoundsStartIndexParameter.Hidden = true;
|
---|
| 147 | VelocityBoundsEndIndexParameter.Hidden = true;
|
---|
| 148 | #endregion
|
---|
| 149 |
|
---|
| 150 | Initialize();
|
---|
[5905] | 151 | RegisterEvents();
|
---|
[5560] | 152 | }
|
---|
| 153 |
|
---|
| 154 | public override IDeepCloneable Clone(Cloner cloner) {
|
---|
| 155 | return new RealVectorSwarmUpdater(this, cloner);
|
---|
| 156 | }
|
---|
| 157 |
|
---|
| 158 | #endregion
|
---|
| 159 |
|
---|
[5905] | 160 | [StorableHook(HookType.AfterDeserialization)]
|
---|
[7073] | 161 | private void AfterDeserialization() {
|
---|
| 162 | if (!Parameters.ContainsKey("SwarmBestQuality")) {
|
---|
[7074] | 163 | ILookupParameter<DoubleValue> oldBestQualityParameter = Parameters["BestQuality"] as ILookupParameter<DoubleValue>;
|
---|
[7073] | 164 | Parameters.Add(new LookupParameter<DoubleValue>("SwarmBestQuality", "Swarm's best quality."));
|
---|
[7074] | 165 | if (oldBestQualityParameter.ActualName != oldBestQualityParameter.Name)
|
---|
| 166 | SwarmBestQualityParameter.ActualName = oldBestQualityParameter.ActualName;
|
---|
[7073] | 167 | Parameters.Remove("BestQuality");
|
---|
| 168 | }
|
---|
| 169 | RegisterEvents();
|
---|
| 170 | }
|
---|
| 171 |
|
---|
[5905] | 172 | private void RegisterEvents() {
|
---|
| 173 | VelocityBoundsStartValueParameter.ValueChanged += new EventHandler(VelocityBoundsStartValueParameter_ValueChanged);
|
---|
| 174 | VelocityBoundsStartValueParameter.Value.ValueChanged += new EventHandler(VelocityBoundsStartValueParameter_Value_ValueChanged);
|
---|
| 175 | }
|
---|
| 176 |
|
---|
| 177 | void VelocityBoundsStartValueParameter_Value_ValueChanged(object sender, EventArgs e) {
|
---|
[11970] | 178 | UpdateVelocityBoundsParamater();
|
---|
[5911] | 179 | }
|
---|
| 180 |
|
---|
| 181 | void UpdateVelocityBoundsParamater() {
|
---|
[5905] | 182 | if (VelocityBoundsParameter.Value == null) {
|
---|
| 183 | VelocityBoundsParameter.Value = new DoubleMatrix(1, 2);
|
---|
| 184 | } else if (VelocityBoundsParameter.Value.Columns != 2) {
|
---|
| 185 | VelocityBoundsParameter.Value = new DoubleMatrix(VelocityBoundsParameter.Value.Rows, 2);
|
---|
| 186 | }
|
---|
| 187 | if (VelocityBoundsStartValueParameter.Value != null) {
|
---|
| 188 | DoubleMatrix matrix = VelocityBoundsParameter.Value;
|
---|
| 189 | for (int i = 0; i < matrix.Rows; i++) {
|
---|
| 190 | matrix[i, 0] = (-1) * VelocityBoundsStartValueParameter.Value.Value;
|
---|
| 191 | matrix[i, 1] = VelocityBoundsStartValueParameter.Value.Value;
|
---|
| 192 | }
|
---|
| 193 | }
|
---|
| 194 | }
|
---|
| 195 |
|
---|
| 196 | void VelocityBoundsStartValueParameter_ValueChanged(object sender, EventArgs e) {
|
---|
| 197 | if (VelocityBoundsStartValueParameter.Value != null) {
|
---|
| 198 | VelocityBoundsStartValueParameter.Value.ValueChanged += new EventHandler(VelocityBoundsStartValueParameter_Value_ValueChanged);
|
---|
| 199 | }
|
---|
[11970] | 200 | UpdateVelocityBoundsParamater();
|
---|
[5905] | 201 | }
|
---|
| 202 |
|
---|
[5866] | 203 | private void Initialize() {
|
---|
| 204 | ResultsCollector = new ResultsCollector();
|
---|
| 205 | ResultsCollector.CollectedValues.Add(CurrentVelocityBoundsParameter);
|
---|
| 206 | ResultsCollector.CollectedValues.Add(VelocityBoundsParameter);
|
---|
| 207 |
|
---|
| 208 | foreach (IDiscreteDoubleValueModifier op in ApplicationManager.Manager.GetInstances<IDiscreteDoubleValueModifier>()) {
|
---|
| 209 | VelocityBoundsScalingOperatorParameter.ValidValues.Add(op);
|
---|
| 210 | op.ValueParameter.ActualName = VelocityBoundsScaleParameter.Name;
|
---|
| 211 | op.StartValueParameter.ActualName = VelocityBoundsStartValueParameter.Name;
|
---|
| 212 | op.EndValueParameter.ActualName = VelocityBoundsEndValueParameter.Name;
|
---|
| 213 | op.IndexParameter.ActualName = VelocityBoundsIndexParameter.Name;
|
---|
| 214 | op.StartIndexParameter.ActualName = VelocityBoundsStartIndexParameter.Name;
|
---|
| 215 | op.EndIndexParameter.ActualName = VelocityBoundsEndIndexParameter.Name;
|
---|
| 216 | }
|
---|
| 217 | VelocityBoundsScalingOperatorParameter.Value = null;
|
---|
| 218 | }
|
---|
| 219 |
|
---|
[5560] | 220 | public override IOperation Apply() {
|
---|
[15071] | 221 | var max = MaximizationParameter.ActualValue.Value;
|
---|
| 222 | var points = RealVectorParameter.ActualValue;
|
---|
| 223 | var qualities = QualityParameter.ActualValue;
|
---|
| 224 | var particles = points.Select((p, i) => new { Particle = p, Index = i })
|
---|
| 225 | .Zip(qualities, (p, q) => Tuple.Create(p.Index, p.Particle, q.Value)).ToList();
|
---|
| 226 | UpdateGlobalBest(max, particles);
|
---|
| 227 | UpdateNeighborBest(max, particles);
|
---|
| 228 | UpdatePersonalBest(max, particles);
|
---|
[5592] | 229 | return UpdateVelocityBounds();
|
---|
[5561] | 230 | }
|
---|
| 231 |
|
---|
[15071] | 232 | private void UpdateGlobalBest(bool maximization, IList<Tuple<int, RealVector, double>> particles) {
|
---|
| 233 | var best = maximization ? particles.MaxItems(x => x.Item3).First() : particles.MinItems(x => x.Item3).First();
|
---|
| 234 | var bestQuality = SwarmBestQualityParameter.ActualValue;
|
---|
| 235 | if (bestQuality == null) {
|
---|
| 236 | SwarmBestQualityParameter.ActualValue = new DoubleValue(best.Item3);
|
---|
| 237 | } else bestQuality.Value = best.Item3;
|
---|
| 238 | BestRealVectorParameter.ActualValue = (RealVector)best.Item2.Clone();
|
---|
[5561] | 239 | }
|
---|
| 240 |
|
---|
[15071] | 241 | private void UpdateNeighborBest(bool maximization, IList<Tuple<int, RealVector, double>> particles) {
|
---|
| 242 | var neighbors = NeighborsParameter.ActualValue;
|
---|
| 243 | if (neighbors.Length > 0) {
|
---|
| 244 | var neighborBest = new ItemArray<RealVector>(neighbors.Length);
|
---|
| 245 | var neighborBestQuality = new ItemArray<DoubleValue>(neighbors.Length);
|
---|
| 246 | for (int n = 0; n < neighbors.Length; n++) {
|
---|
| 247 | var pairs = particles.Where(x => x.Item1 == n || neighbors[n].Contains(x.Item1));
|
---|
| 248 | var bestNeighbor = (maximization ? pairs.MaxItems(p => p.Item3)
|
---|
| 249 | : pairs.MinItems(p => p.Item3)).First();
|
---|
| 250 | neighborBest[n] = bestNeighbor.Item2;
|
---|
| 251 | neighborBestQuality[n] = new DoubleValue(bestNeighbor.Item3);
|
---|
[5560] | 252 | }
|
---|
[15071] | 253 | NeighborBestParameter.ActualValue = neighborBest;
|
---|
| 254 | NeighborBestQualityParameter.ActualValue = neighborBestQuality;
|
---|
[5560] | 255 | }
|
---|
| 256 | }
|
---|
| 257 |
|
---|
[15071] | 258 | private void UpdatePersonalBest(bool maximization, IList<Tuple<int, RealVector, double>> particles) {
|
---|
| 259 | var personalBest = PersonalBestParameter.ActualValue;
|
---|
| 260 | var personalBestQuality = PersonalBestQualityParameter.ActualValue;
|
---|
| 261 |
|
---|
| 262 | if (personalBestQuality.Length == 0) {
|
---|
| 263 | personalBestQuality = new ItemArray<DoubleValue>(particles.Select(x => new DoubleValue(x.Item3)));
|
---|
| 264 | PersonalBestQualityParameter.ActualValue = personalBestQuality;
|
---|
| 265 | }
|
---|
| 266 | foreach (var p in particles) {
|
---|
| 267 | if (maximization && p.Item3 > personalBestQuality[p.Item1].Value ||
|
---|
| 268 | !maximization && p.Item3 < personalBestQuality[p.Item1].Value) {
|
---|
| 269 | personalBestQuality[p.Item1].Value = p.Item3;
|
---|
| 270 | personalBest[p.Item1] = p.Item2;
|
---|
[5568] | 271 | }
|
---|
| 272 | }
|
---|
[15071] | 273 | PersonalBestParameter.ActualValue = personalBest;
|
---|
[5561] | 274 | }
|
---|
[5592] | 275 |
|
---|
| 276 | private IOperation UpdateVelocityBounds() {
|
---|
[15071] | 277 | var currentVelocityBounds = CurrentVelocityBoundsParameter.ActualValue;
|
---|
[5866] | 278 |
|
---|
[15071] | 279 | if (currentVelocityBounds == null) {
|
---|
| 280 | currentVelocityBounds = (DoubleMatrix)VelocityBoundsParameter.ActualValue.Clone();
|
---|
| 281 | CurrentVelocityBoundsParameter.ActualValue = currentVelocityBounds;
|
---|
| 282 | }
|
---|
| 283 | if (VelocityBoundsScalingOperatorParameter.Value == null)
|
---|
[5866] | 284 | return new OperationCollection() {
|
---|
| 285 | ExecutionContext.CreateChildOperation(ResultsCollector),
|
---|
| 286 | base.Apply()
|
---|
[5592] | 287 | };
|
---|
[5866] | 288 |
|
---|
[15071] | 289 | var velocityBoundsScale = VelocityBoundsScaleParameter.ActualValue;
|
---|
| 290 | var velocityBoundsStartValue = VelocityBoundsStartValueParameter.ActualValue;
|
---|
| 291 |
|
---|
| 292 | if (velocityBoundsScale == null && velocityBoundsStartValue != null) {
|
---|
| 293 | velocityBoundsScale = new DoubleValue(velocityBoundsStartValue.Value);
|
---|
| 294 | VelocityBoundsScaleParameter.ActualValue = velocityBoundsScale;
|
---|
[5866] | 295 | }
|
---|
[15071] | 296 | for (int i = 0; i < currentVelocityBounds.Rows; i++) {
|
---|
| 297 | for (int j = 0; j < currentVelocityBounds.Columns; j++) {
|
---|
| 298 | if (currentVelocityBounds[i, j] >= 0) {
|
---|
| 299 | currentVelocityBounds[i, j] = velocityBoundsScale.Value;
|
---|
[5866] | 300 | } else {
|
---|
[15071] | 301 | currentVelocityBounds[i, j] = (-1) * velocityBoundsScale.Value;
|
---|
[5866] | 302 | }
|
---|
| 303 | }
|
---|
| 304 | }
|
---|
| 305 |
|
---|
| 306 | return new OperationCollection() {
|
---|
| 307 | ExecutionContext.CreateChildOperation(ResultsCollector),
|
---|
[15071] | 308 | ExecutionContext.CreateChildOperation(VelocityBoundsScalingOperatorParameter.Value),
|
---|
[5866] | 309 | base.Apply()
|
---|
| 310 | };
|
---|
[5592] | 311 | }
|
---|
[5560] | 312 | }
|
---|
| 313 | }
|
---|