[13326] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[13347] | 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[13326] | 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.Linq;
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[15509] | 25 | using Google.Protobuf;
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[13326] | 26 |
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| 27 | namespace HeuristicLab.Persistence {
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[13347] | 28 | public sealed class Mapper {
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[14549] | 29 | internal class MappingEqualityComparer : IEqualityComparer<object> {
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| 30 | bool IEqualityComparer<object>.Equals(object x, object y) {
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| 31 | if (x == null && y == null) return true;
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| 32 | if (x == null ^ y == null) return false;
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| 33 | if (x.GetType() != y.GetType()) return false;
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| 34 |
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| 35 | var type = x.GetType();
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| 36 | if (type.IsValueType || type == typeof(string)) return x.Equals(y);
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| 37 | return object.ReferenceEquals(x, y);
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| 38 | }
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| 39 |
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| 40 | int IEqualityComparer<object>.GetHashCode(object obj) {
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| 41 | return obj == null ? 0 : obj.GetHashCode();
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| 42 | }
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| 43 | }
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| 44 |
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[15509] | 45 | private static StaticCache staticCache;
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[13358] | 46 | private static object locker = new object();
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| 47 | public static StaticCache StaticCache {
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| 48 | get {
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| 49 | lock (locker) {
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| 50 | if (staticCache == null) staticCache = new StaticCache();
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| 51 | return staticCache;
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| 52 | }
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| 53 | }
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| 54 | }
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| 55 |
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[13347] | 56 | private Index<ITransformer> transformers;
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| 57 | private Index<Type> types;
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[15509] | 58 |
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[14549] | 59 | private Dictionary<uint, Box> boxId2Box;
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[13358] | 60 | private Dictionary<object, uint> object2BoxId;
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[15509] | 61 | private Dictionary<uint, object> boxId2Object;
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| 62 | private Index<TypeBox> typeBoxes;
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[13326] | 63 |
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[15509] | 64 | private Index<string> strings;
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| 65 |
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| 66 | private Index<BoolArrayBox> boolArrayBoxes;
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| 67 | private Index<IntArrayBox> intArrayBoxes;
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| 68 | private Index<UnsignedIntArrayBox> unsignedIntArrayBoxes;
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| 69 | private Index<LongArrayBox> longArrayBoxes;
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| 70 | private Index<UnsignedLongArrayBox> unsignedLongArrayBoxes;
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| 71 | private Index<FloatArrayBox> floatArrayBoxes;
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| 72 | private Index<DoubleArrayBox> doubleArrayBoxes;
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| 73 |
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| 74 | private Index<DictionaryBox> dictionaryBoxes;
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| 75 | private Index<StorableClassBox> storableClassBoxes;
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| 76 |
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[14549] | 77 | public uint BoxCount { get; private set; }
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[13326] | 78 |
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[15509] | 79 |
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[13347] | 80 | public Mapper() {
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| 81 | transformers = new Index<ITransformer>();
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| 82 | types = new Index<Type>();
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[15509] | 83 |
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[14549] | 84 | boxId2Box = new Dictionary<uint, Box>();
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| 85 | object2BoxId = new Dictionary<object, uint>(new MappingEqualityComparer());
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[15509] | 86 | boxId2Object = new Dictionary<uint, object>();
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| 87 | typeBoxes = new Index<TypeBox>();
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[13326] | 88 |
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[15509] | 89 | strings = new Index<string>();
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| 90 |
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| 91 | boolArrayBoxes = new Index<BoolArrayBox>();
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| 92 | intArrayBoxes = new Index<IntArrayBox>();
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| 93 | unsignedIntArrayBoxes = new Index<UnsignedIntArrayBox>();
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| 94 | longArrayBoxes = new Index<LongArrayBox>();
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| 95 | unsignedLongArrayBoxes = new Index<UnsignedLongArrayBox>();
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| 96 | floatArrayBoxes = new Index<FloatArrayBox>();
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| 97 | doubleArrayBoxes = new Index<DoubleArrayBox>();
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| 98 |
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| 99 | dictionaryBoxes = new Index<DictionaryBox>();
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| 100 | storableClassBoxes = new Index<StorableClassBox>();
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| 101 |
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[13347] | 102 | BoxCount = 0;
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[13326] | 103 | }
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| 104 |
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[15509] | 105 | #region Transformers
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[13358] | 106 | public uint GetTransformerId(ITransformer transformer) {
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| 107 | return transformers.GetIndex(transformer);
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[13326] | 108 | }
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[15509] | 109 |
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[13358] | 110 | public ITransformer GetTransformer(uint transformerId) {
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| 111 | return transformers.GetValue(transformerId);
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[13326] | 112 | }
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[15509] | 113 | #endregion
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[13326] | 114 |
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[15509] | 115 | #region Types
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[13347] | 116 | public uint GetTypeId(Type type) {
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[13326] | 117 | return types.GetIndex(type);
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| 118 | }
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[15509] | 119 |
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[13347] | 120 | public Type GetType(uint typeId) {
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[13326] | 121 | return types.GetValue(typeId);
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| 122 | }
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[15509] | 123 | #endregion
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[13326] | 124 |
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[15509] | 125 | #region Boxes
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[13347] | 126 | public uint GetBoxId(object o) {
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| 127 | uint boxId;
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| 128 |
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| 129 | if (o == null)
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[14549] | 130 | boxId = 0;
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[13347] | 131 | else {
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[14549] | 132 | if (object2BoxId.TryGetValue(o, out boxId)) return boxId;
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[13347] | 133 | var type = o.GetType();
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[13358] | 134 | var typeInfo = StaticCache.GetTypeInfo(type);
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[13347] | 135 | if (typeInfo.Transformer == null) throw new ArgumentException("Cannot serialize object of type " + o.GetType());
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[14549] | 136 | boxId = ++BoxCount;
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[13347] | 137 | typeInfo.Used++;
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[14549] | 138 | object2BoxId.Add(o, boxId);
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| 139 | boxId2Box.Add(boxId, typeInfo.Transformer.ToBox(o, this));
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[13347] | 140 | }
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| 141 | return boxId;
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[13326] | 142 | }
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[15509] | 143 |
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| 144 | public Box GetBox(uint boxId) {
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| 145 | return boxId2Box[boxId];
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| 146 | }
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| 147 |
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[13347] | 148 | public object GetObject(uint boxId) {
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| 149 | object o;
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[15509] | 150 | if (boxId2Object.TryGetValue(boxId, out o)) return o;
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[13326] | 151 |
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[14549] | 152 | Box box;
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| 153 | boxId2Box.TryGetValue(boxId, out box);
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| 154 |
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[13347] | 155 | if (box == null)
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| 156 | o = null;
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| 157 | else {
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| 158 | var transformer = transformers.GetValue(box.TransformerId);
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| 159 | o = transformer.ToObject(box, this);
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[15509] | 160 | boxId2Object.Add(boxId, o);
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[14549] | 161 | transformer.FillFromBox(o, box, this);
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[13347] | 162 | }
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[15509] | 163 |
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[13347] | 164 | return o;
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[13326] | 165 | }
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| 166 |
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[15509] | 167 | #region Referenced Boxes
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| 168 | #region TypeBoxes
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| 169 | public uint GetTypeBoxId(TypeBox typeBox) { return typeBoxes.GetIndex(typeBox); }
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| 170 | public TypeBox GetTypeBox(uint typeBoxId) { return typeBoxes.GetValue(typeBoxId); }
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| 171 | #endregion
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| 172 |
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| 173 | #region BoolArrayBox
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| 174 | public uint GetBoolArrayBoxId(BoolArrayBox boolArrayBox) { return boolArrayBoxes.GetIndex(boolArrayBox); }
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| 175 | public BoolArrayBox GetBoolArrayBox(uint boolArrayBoxId) { return boolArrayBoxes.GetValue(boolArrayBoxId); }
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| 176 | #endregion
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| 177 |
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| 178 | #region IntArrayBox
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| 179 | public uint GetIntArrayBoxId(IntArrayBox intArrayBox) { return intArrayBoxes.GetIndex(intArrayBox); }
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| 180 | public IntArrayBox GetIntArrayBox(uint intArrayBoxId) { return intArrayBoxes.GetValue(intArrayBoxId); }
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| 181 | #endregion
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| 182 |
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| 183 | #region UnsignedIntArrayBox
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| 184 | public uint GetUnsignedIntArrayBoxId(UnsignedIntArrayBox unsignedIntArrayBox) { return unsignedIntArrayBoxes.GetIndex(unsignedIntArrayBox); }
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| 185 | public UnsignedIntArrayBox GetUnsignedIntArrayBox(uint unsignedIntArrayBoxId) { return unsignedIntArrayBoxes.GetValue(unsignedIntArrayBoxId); }
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| 186 | #endregion
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| 187 |
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| 188 | #region LongArrayBox
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| 189 | public uint GetLongArrayBoxId(LongArrayBox longArrayBox) { return longArrayBoxes.GetIndex(longArrayBox); }
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| 190 | public LongArrayBox GetLongArrayBox(uint longArrayBoxId) { return longArrayBoxes.GetValue(longArrayBoxId); }
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| 191 | #endregion
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| 192 |
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| 193 | #region UnsignedLongArrayBox
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| 194 | public uint GetUnsignedLongArrayBoxId(UnsignedLongArrayBox unsignedLongArrayBox) { return unsignedLongArrayBoxes.GetIndex(unsignedLongArrayBox); }
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| 195 | public UnsignedLongArrayBox GetUnsignedLongArrayBox(uint unsignedLongArrayBoxId) { return unsignedLongArrayBoxes.GetValue(unsignedLongArrayBoxId); }
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| 196 | #endregion
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| 197 |
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| 198 | #region FloatArrayBox
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| 199 | public uint GetFloatArrayBoxId(FloatArrayBox floatArrayBox) { return floatArrayBoxes.GetIndex(floatArrayBox); }
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| 200 | public FloatArrayBox GetFloatArrayBox(uint floatArrayBoxId) { return floatArrayBoxes.GetValue(floatArrayBoxId); }
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| 201 | #endregion
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| 202 |
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| 203 | #region DoubleArrayBox
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| 204 | public uint GetDoubleArrayBoxId(DoubleArrayBox doubleArrayBox) { return doubleArrayBoxes.GetIndex(doubleArrayBox); }
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| 205 | public DoubleArrayBox GetDoubleArrayBox(uint doubleArrayBoxId) { return doubleArrayBoxes.GetValue(doubleArrayBoxId); }
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| 206 | #endregion
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| 207 |
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| 208 | #region DictionaryBox
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| 209 | public uint GetDictionaryBoxId(DictionaryBox dictionaryBox) { return dictionaryBoxes.GetIndex(dictionaryBox); }
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| 210 | public DictionaryBox GetDictionaryBox(uint dictionaryBoxId) { return dictionaryBoxes.GetValue(dictionaryBoxId); }
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| 211 | #endregion
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| 212 |
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| 213 | #region StorableClassBox
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| 214 | public uint GetStorableClassBoxId(StorableClassBox storableClassBox) { return storableClassBoxes.GetIndex(storableClassBox); }
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| 215 | public StorableClassBox GetStorableClassBox(uint storableClassBoxId) { return storableClassBoxes.GetValue(storableClassBoxId); }
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| 216 | #endregion
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| 217 | #endregion
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| 218 | #endregion
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| 219 |
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| 220 | #region Strings
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| 221 | public uint GetStringId(string str) {
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| 222 | return strings.GetIndex(str);
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| 223 | }
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| 224 | public string GetString(uint stringId) {
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| 225 | return strings.GetValue(stringId);
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| 226 | }
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| 227 | #endregion
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| 228 |
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[13326] | 229 | public object CreateInstance(Type type) {
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[15020] | 230 | try {
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| 231 | return StaticCache.GetTypeInfo(type).GetConstructor()();
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| 232 | } catch (Exception e) {
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| 233 | throw new PersistenceException("Deserialization failed.", e);
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| 234 | }
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[13326] | 235 | }
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| 236 |
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[13347] | 237 | public static Bundle ToBundle(object o) {
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| 238 | var mapper = new Mapper();
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[15509] | 239 | var bundle = new Bundle();
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| 240 |
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[13347] | 241 | bundle.RootBoxId = mapper.GetBoxId(o);
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[15509] | 242 | bundle.TransformerGuids.AddRange(mapper.transformers.GetValues().Select(x => x.Guid).Select(x => ByteString.CopyFrom(x.ToByteArray())));
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| 243 | bundle.TypeGuids.AddRange(mapper.types.GetValues().Select(x => ByteString.CopyFrom(StaticCache.GetGuid(x).ToByteArray())));
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| 244 | bundle.Boxes.AddRange(mapper.boxId2Box.OrderBy(x => x.Key).Select(x => x.Value));
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| 245 | bundle.TypeBoxes.AddRange(mapper.typeBoxes.GetValues());
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| 246 |
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| 247 | bundle.Strings.AddRange(mapper.strings.GetValues());
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| 248 |
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| 249 | bundle.BoolArrayBoxes.AddRange(mapper.boolArrayBoxes.GetValues());
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| 250 | bundle.IntArrayBoxes.AddRange(mapper.intArrayBoxes.GetValues());
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| 251 | bundle.UnsignedIntArrayBoxes.AddRange(mapper.unsignedIntArrayBoxes.GetValues());
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| 252 | bundle.LongArrayBoxes.AddRange(mapper.longArrayBoxes.GetValues());
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| 253 | bundle.UnsignedLongArrayBoxes.AddRange(mapper.unsignedLongArrayBoxes.GetValues());
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| 254 | bundle.FloatArrayBoxes.AddRange(mapper.floatArrayBoxes.GetValues());
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| 255 | bundle.DoubleArrayBoxes.AddRange(mapper.doubleArrayBoxes.GetValues());
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| 256 |
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| 257 | bundle.DictionaryBoxes.AddRange(mapper.dictionaryBoxes.GetValues());
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| 258 | bundle.StorableClassBoxes.AddRange(mapper.storableClassBoxes.GetValues());
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| 259 |
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| 260 | return bundle;
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[13326] | 261 | }
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[13347] | 262 | public static object ToObject(Bundle bundle) {
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| 263 | var mapper = new Mapper();
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[15509] | 264 |
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| 265 | mapper.transformers = new Index<ITransformer>(bundle.TransformerGuids.Select(x => new Guid(x.ToByteArray())).Select(StaticCache.GetTransformer));
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| 266 | mapper.types = new Index<Type>(bundle.TypeGuids.Select(x => StaticCache.GetType(new Guid(x.ToByteArray()))));
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| 267 |
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| 268 | mapper.boxId2Box = bundle.Boxes.Select((b, i) => new { Box = b, Index = i }).ToDictionary(k => (uint)k.Index + 1, v => v.Box);
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| 269 | mapper.typeBoxes = new Index<TypeBox>(bundle.TypeBoxes);
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| 270 |
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| 271 | mapper.strings = new Index<string>(bundle.Strings);
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| 272 |
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| 273 | mapper.boolArrayBoxes = new Index<BoolArrayBox>(bundle.BoolArrayBoxes);
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| 274 | mapper.intArrayBoxes = new Index<IntArrayBox>(bundle.IntArrayBoxes);
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| 275 | mapper.unsignedIntArrayBoxes = new Index<UnsignedIntArrayBox>(bundle.UnsignedIntArrayBoxes);
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| 276 | mapper.longArrayBoxes = new Index<LongArrayBox>(bundle.LongArrayBoxes);
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| 277 | mapper.unsignedLongArrayBoxes = new Index<UnsignedLongArrayBox>(bundle.UnsignedLongArrayBoxes);
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| 278 | mapper.floatArrayBoxes = new Index<FloatArrayBox>(bundle.FloatArrayBoxes);
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| 279 | mapper.doubleArrayBoxes = new Index<DoubleArrayBox>(bundle.DoubleArrayBoxes);
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| 280 |
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| 281 | mapper.dictionaryBoxes = new Index<DictionaryBox>(bundle.DictionaryBoxes);
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| 282 | mapper.storableClassBoxes = new Index<StorableClassBox>(bundle.StorableClassBoxes);
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| 283 |
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[13347] | 284 | return mapper.GetObject(bundle.RootBoxId);
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[13326] | 285 | }
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| 286 | }
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| 287 | }
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