[1837] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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 System.Collections.Generic;
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| 24 | using System.Text;
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| 25 | using System.Xml;
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| 26 | using HeuristicLab.Core;
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| 27 | using System.Globalization;
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| 28 | using System.IO;
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| 29 |
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| 30 | namespace HeuristicLab.Data {
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[1906] | 31 | public class SVMModel : ItemBase {
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| 32 | private SVM.Model model;
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[1837] | 33 | /// <summary>
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| 34 | /// Gets or sets the SVM model.
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| 35 | /// </summary>
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[1906] | 36 | public SVM.Model Model {
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| 37 | get { return model; }
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| 38 | set { model = value; }
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[1837] | 39 | }
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| 40 |
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[1906] | 41 |
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[1837] | 42 | /// <summary>
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[1906] | 43 | /// Gets or sets the range transformation for the model.
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| 44 | /// </summary>
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| 45 | private SVM.RangeTransform rangeTransform;
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| 46 | public SVM.RangeTransform RangeTransform {
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| 47 | get { return rangeTransform; }
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| 48 | set { rangeTransform = value; }
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| 49 | }
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| 50 |
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| 51 | /// <summary>
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[1837] | 52 | /// Clones the current instance and adds it to the dictionary <paramref name="clonedObjects"/>.
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| 53 | /// </summary>
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| 54 | /// <param name="clonedObjects">Dictionary of all already cloned objects.</param>
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| 55 | /// <returns>The cloned instance as <see cref="DoubleData"/>.</returns>
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| 56 | public override object Clone(IDictionary<Guid, object> clonedObjects) {
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| 57 | SVMModel clone = new SVMModel();
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| 58 | clonedObjects.Add(Guid, clone);
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| 59 | // beware we are only using a shallow copy here! (gkronber)
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[1906] | 60 | clone.Model = Model;
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| 61 | clone.RangeTransform = RangeTransform;
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[1837] | 62 | return clone;
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| 63 | }
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| 64 |
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| 65 | /// <summary>
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| 66 | /// Saves the current instance as <see cref="XmlNode"/> in the specified <paramref name="document"/>.
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| 67 | /// </summary>
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| 68 | /// <remarks>The actual model is saved in the node's inner text as string,
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| 69 | /// its format depending on the local culture info and its number format.</remarks>
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| 70 | /// <param name="name">The (tag)name of the <see cref="XmlNode"/>.</param>
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| 71 | /// <param name="document">The <see cref="XmlDocument"/> where the data is saved.</param>
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| 72 | /// <param name="persistedObjects">A dictionary of all already persisted objects. (Needed to avoid cycles.)</param>
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| 73 | /// <returns>The saved <see cref="XmlNode"/>.</returns>
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| 74 | public override XmlNode GetXmlNode(string name, XmlDocument document, IDictionary<Guid, IStorable> persistedObjects) {
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| 75 | XmlNode node = base.GetXmlNode(name, document, persistedObjects);
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[1906] | 76 | XmlNode model = document.CreateElement("Model");
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| 77 | using (MemoryStream stream = new MemoryStream()) {
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| 78 | SVM.Model.Write(stream, Model);
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| 79 | stream.Seek(0, System.IO.SeekOrigin.Begin);
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| 80 | StreamReader reader = new StreamReader(stream);
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| 81 | model.InnerText = reader.ReadToEnd();
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| 82 | node.AppendChild(model);
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| 83 | }
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[1837] | 84 |
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[1906] | 85 | XmlNode rangeTransform = document.CreateElement("RangeTransform");
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[1837] | 86 | using (MemoryStream stream = new MemoryStream()) {
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[1906] | 87 | SVM.RangeTransform.Write(stream, RangeTransform);
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[1837] | 88 | stream.Seek(0, System.IO.SeekOrigin.Begin);
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| 89 | StreamReader reader = new StreamReader(stream);
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[1906] | 90 | rangeTransform.InnerText = reader.ReadToEnd();
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| 91 | node.AppendChild(rangeTransform);
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[1837] | 92 | }
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[1906] | 93 |
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[1837] | 94 | return node;
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| 95 | }
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| 96 | /// <summary>
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| 97 | /// Loads the persisted SVM model from the specified <paramref name="node"/>.
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| 98 | /// </summary>
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| 99 | /// <remarks>The serialized SVM model must be saved in the node's inner text as a string
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| 100 | /// (see <see cref="GetXmlNode"/>).</remarks>
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| 101 | /// <param name="node">The <see cref="XmlNode"/> where the SVM model is saved.</param>
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| 102 | /// <param name="restoredObjects">A dictionary of all already restored objects. (Needed to avoid cycles.)</param>
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| 103 | public override void Populate(XmlNode node, IDictionary<Guid, IStorable> restoredObjects) {
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| 104 | base.Populate(node, restoredObjects);
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[1906] | 105 | XmlNode model = node.SelectSingleNode("Model");
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| 106 | using (MemoryStream stream = new MemoryStream(Encoding.ASCII.GetBytes(model.InnerText))) {
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| 107 | Model = SVM.Model.Read(stream);
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[1837] | 108 | }
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[1906] | 109 | XmlNode rangeTransform = node.SelectSingleNode("RangeTransform");
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| 110 | using (MemoryStream stream = new MemoryStream(Encoding.ASCII.GetBytes(rangeTransform.InnerText))) {
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| 111 | RangeTransform = SVM.RangeTransform.Read(stream);
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| 112 | }
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[1837] | 113 | }
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| 114 | }
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| 115 | }
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