[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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| 25 | using HeuristicLab.PluginInfrastructure;
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[13347] | 26 | using Google.ProtocolBuffers;
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| 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[13326] | 28 |
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| 29 | namespace HeuristicLab.Persistence {
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[13347] | 30 | public sealed class Mapper {
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[13358] | 31 | private static StaticCache staticCache = null;
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| 32 | private static object locker = new object();
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| 33 | public static StaticCache StaticCache {
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| 34 | get {
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| 35 | lock (locker) {
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| 36 | if (staticCache == null) staticCache = new StaticCache();
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| 37 | return staticCache;
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| 38 | }
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| 39 | }
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| 40 | }
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| 41 |
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[13347] | 42 | private Index<ITransformer> transformers;
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| 43 | private Index<Type> types;
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[13326] | 44 | private Index<string> strings;
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[13347] | 45 | private Index<Box> boxes;
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[13358] | 46 | private Dictionary<object, uint> object2BoxId;
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| 47 | private Dictionary<uint, object> boxId2object;
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[13326] | 48 |
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[13347] | 49 | public long BoxCount { get; private set; }
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[13326] | 50 |
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[13347] | 51 | public Mapper() {
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| 52 | transformers = new Index<ITransformer>();
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| 53 | types = new Index<Type>();
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[13326] | 54 | strings = new Index<string>();
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[13347] | 55 | boxes = new Index<Box>();
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[13358] | 56 | object2BoxId = new Dictionary<object, uint>(new ReferenceEqualityComparer<object>());
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| 57 | boxId2object = new Dictionary<uint, object>();
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[13326] | 58 |
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[13347] | 59 | BoxCount = 0;
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[13326] | 60 | }
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| 61 |
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[13358] | 62 | public uint GetTransformerId(ITransformer transformer) {
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| 63 | return transformers.GetIndex(transformer);
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[13326] | 64 | }
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[13358] | 65 | public ITransformer GetTransformer(uint transformerId) {
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| 66 | return transformers.GetValue(transformerId);
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[13326] | 67 | }
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| 68 |
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[13347] | 69 | public uint GetTypeId(Type type) {
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[13326] | 70 | return types.GetIndex(type);
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| 71 | }
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[13347] | 72 | public Type GetType(uint typeId) {
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[13326] | 73 | return types.GetValue(typeId);
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| 74 | }
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| 75 |
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| 76 | public uint GetStringId(string str) {
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| 77 | return strings.GetIndex(str);
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| 78 | }
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| 79 | public string GetString(uint stringId) {
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| 80 | return strings.GetValue(stringId);
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| 81 | }
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| 82 |
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[13347] | 83 | public uint GetBoxId(object o) {
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| 84 | uint boxId;
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[13358] | 85 | if (object2BoxId.TryGetValue(o, out boxId)) return boxId;
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[13347] | 86 |
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| 87 | if (o == null)
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| 88 | boxId = boxes.GetIndex(null);
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| 89 | else {
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| 90 | var type = o.GetType();
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[13358] | 91 | var typeInfo = StaticCache.GetTypeInfo(type);
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[13347] | 92 | if (typeInfo.Transformer == null) throw new ArgumentException("Cannot serialize object of type " + o.GetType());
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| 93 | BoxCount++;
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| 94 | typeInfo.Used++;
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| 95 | boxId = boxes.GetIndex(typeInfo.Transformer.ToBox(o, this));
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| 96 | }
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[13358] | 97 | object2BoxId.Add(o, boxId);
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[13347] | 98 | return boxId;
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[13326] | 99 | }
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[13347] | 100 | public object GetObject(uint boxId) {
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| 101 | object o;
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[13358] | 102 | if (boxId2object.TryGetValue(boxId, out o)) return o;
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[13326] | 103 |
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[13347] | 104 | var box = this.boxes.GetValue(boxId);
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| 105 | if (box == null)
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| 106 | o = null;
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| 107 | else {
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| 108 | var transformer = transformers.GetValue(box.TransformerId);
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| 109 | o = transformer.ToObject(box, this);
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| 110 | }
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[13358] | 111 | boxId2object.Add(boxId, o);
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[13347] | 112 | return o;
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[13326] | 113 | }
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| 114 |
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| 115 | public object CreateInstance(Type type) {
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[13358] | 116 | return StaticCache.GetTypeInfo(type).GetConstructor()();
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[13326] | 117 | }
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| 118 |
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[13347] | 119 | public static Bundle ToBundle(object o) {
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| 120 | var mapper = new Mapper();
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| 121 | var bundle = Bundle.CreateBuilder();
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| 122 | bundle.RootBoxId = mapper.GetBoxId(o);
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| 123 | bundle.AddRangeTransformerGuids(mapper.transformers.GetValues().Select(x => x.Guid).Select(x => ByteString.CopyFrom(x.ToByteArray())));
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[13358] | 124 | bundle.AddRangeTypeGuids(mapper.types.GetValues().Select(x => StaticCache.GetGuid(x)).Select(x => ByteString.CopyFrom(x.ToByteArray())));
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[13347] | 125 | bundle.AddRangeStrings(mapper.strings.GetValues());
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| 126 | bundle.AddRangeBoxes(mapper.boxes.GetValues());
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| 127 | return bundle.Build();
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[13326] | 128 | }
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[13347] | 129 | public static object ToObject(Bundle bundle) {
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| 130 | var mapper = new Mapper();
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[13358] | 131 | mapper.types = new Index<Type>(bundle.TypeGuidsList.Select(x => new Guid(x.ToByteArray())).Select(x => StaticCache.GetType(x)));
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[13347] | 132 | mapper.strings = new Index<string>(bundle.StringsList);
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| 133 | mapper.boxes = new Index<Box>(bundle.BoxesList);
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[13358] | 134 | mapper.transformers = new Index<ITransformer>(bundle.TransformerGuidsList.Select(x => new Guid(x.ToByteArray())).Select(x => StaticCache.GetTransformer(x)));
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[13347] | 135 | return mapper.GetObject(bundle.RootBoxId);
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[13326] | 136 | }
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| 137 | }
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| 138 | }
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