Mercurial > pub > bltoolkit

comparison Tools/CodeGenerator/ValueMapping.Declare.cs @ 0:f990fcb411a9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Data.SqlTypes;
3
4 using KeyValue = System.Collections.Generic.KeyValuePair<System.Type, System.Type>;
5 using Table = System.Collections.Generic.Dictionary<System.Collections.Generic.KeyValuePair<System.Type, System.Type>, BLToolkit.Mapping.IValueMapper>;
6
7 namespace BLToolkit.Mapping
8 {
9 [CLSCompliant(false)]
10 public interface IMapDataSource
11 {
12 int Count { get; }
13
14 Type GetFieldType (int index);
15 string GetName (int index);
16 int GetOrdinal (string name);
17 object GetValue (object o, int index);
18 object GetValue (object o, string name);
19
20 bool IsNull (object o, int index);
21
22 bool SupportsTypedValues(int index);
23
24 // Simple type getters.
25 //
26 [CLSCompliant(false)]
27 SByte GetSByte (object o, int index);
28 Int16 GetInt16 (object o, int index);
29 Int32 GetInt32 (object o, int index);
30 Int64 GetInt64 (object o, int index);
31
32 Byte GetByte (object o, int index);
33 [CLSCompliant(false)]
34 UInt16 GetUInt16 (object o, int index);
35 [CLSCompliant(false)]
36 UInt32 GetUInt32 (object o, int index);
37 [CLSCompliant(false)]
38 UInt64 GetUInt64 (object o, int index);
39
40 Boolean GetBoolean (object o, int index);
41 Char GetChar (object o, int index);
42 Single GetSingle (object o, int index);
43 Double GetDouble (object o, int index);
44 Decimal GetDecimal (object o, int index);
45 DateTime GetDateTime (object o, int index);
46 Guid GetGuid (object o, int index);
47
48 #if FW2
49 // Simple type getters.
50 //
51 [CLSCompliant(false)]
52 SByte? GetNullableSByte (object o, int index);
53 Int16? GetNullableInt16 (object o, int index);
54 Int32? GetNullableInt32 (object o, int index);
55 Int64? GetNullableInt64 (object o, int index);
56
57 Byte? GetNullableByte (object o, int index);
58 [CLSCompliant(false)]
59 UInt16? GetNullableUInt16 (object o, int index);
60 [CLSCompliant(false)]
61 UInt32? GetNullableUInt32 (object o, int index);
62 [CLSCompliant(false)]
63 UInt64? GetNullableUInt64 (object o, int index);
64
65 Boolean? GetNullableBoolean (object o, int index);
66 Char? GetNullableChar (object o, int index);
67 Single? GetNullableSingle (object o, int index);
68 Double? GetNullableDouble (object o, int index);
69 Decimal? GetNullableDecimal (object o, int index);
70 DateTime? GetNullableDateTime(object o, int index);
71 Guid? GetNullableGuid (object o, int index);
72 #endif
73
74 // SQL type getters.
75 //
76 SqlByte GetSqlByte (object o, int index);
77 SqlInt16 GetSqlInt16 (object o, int index);
78 SqlInt32 GetSqlInt32 (object o, int index);
79 SqlInt64 GetSqlInt64 (object o, int index);
80 SqlSingle GetSqlSingle (object o, int index);
81 SqlBoolean GetSqlBoolean (object o, int index);
82 SqlDouble GetSqlDouble (object o, int index);
83 SqlDateTime GetSqlDateTime (object o, int index);
84 SqlDecimal GetSqlDecimal (object o, int index);
85 SqlMoney GetSqlMoney (object o, int index);
86 SqlGuid GetSqlGuid (object o, int index);
87 SqlString GetSqlString (object o, int index);
88 }
89
90 [CLSCompliant(false)]
91 public interface IMapDataDestination
92 {
93 Type GetFieldType (int index);
94 int GetOrdinal (string name);
95 void SetValue (object o, int index, object value);
96 void SetValue (object o, string name, object value);
97
98 void SetNull (object o, int index);
99
100 bool SupportsTypedValues(int index);
101
102 // Simple type setters.
103 //
104 [CLSCompliant(false)]
105 void SetSByte (object o, int index, SByte value);
106 void SetInt16 (object o, int index, Int16 value);
107 void SetInt32 (object o, int index, Int32 value);
108 void SetInt64 (object o, int index, Int64 value);
109
110 void SetByte (object o, int index, Byte value);
111 [CLSCompliant(false)]
112 void SetUInt16 (object o, int index, UInt16 value);
113 [CLSCompliant(false)]
114 void SetUInt32 (object o, int index, UInt32 value);
115 [CLSCompliant(false)]
116 void SetUInt64 (object o, int index, UInt64 value);
117
118 void SetBoolean (object o, int index, Boolean value);
119 void SetChar (object o, int index, Char value);
120 void SetSingle (object o, int index, Single value);
121 void SetDouble (object o, int index, Double value);
122 void SetDecimal (object o, int index, Decimal value);
123 void SetGuid (object o, int index, Guid value);
124 void SetDateTime (object o, int index, DateTime value);
125
126 #if FW2
127 // Simple type setters.
128 //
129 [CLSCompliant(false)]
130 void SetNullableSByte (object o, int index, SByte? value);
131 void SetNullableInt16 (object o, int index, Int16? value);
132 void SetNullableInt32 (object o, int index, Int32? value);
133 void SetNullableInt64 (object o, int index, Int64? value);
134
135 void SetNullableByte (object o, int index, Byte? value);
136 [CLSCompliant(false)]
137 void SetNullableUInt16 (object o, int index, UInt16? value);
138 [CLSCompliant(false)]
139 void SetNullableUInt32 (object o, int index, UInt32? value);
140 [CLSCompliant(false)]
141 void SetNullableUInt64 (object o, int index, UInt64? value);
142
143 void SetNullableBoolean (object o, int index, Boolean? value);
144 void SetNullableChar (object o, int index, Char? value);
145 void SetNullableSingle (object o, int index, Single? value);
146 void SetNullableDouble (object o, int index, Double? value);
147 void SetNullableDecimal (object o, int index, Decimal? value);
148 void SetNullableGuid (object o, int index, Guid? value);
149 void SetNullableDateTime (object o, int index, DateTime? value);
150 #endif
151
152 // SQL type setters.
153 //
154 void SetSqlByte (object o, int index, SqlByte value);
155 void SetSqlInt16 (object o, int index, SqlInt16 value);
156 void SetSqlInt32 (object o, int index, SqlInt32 value);
157 void SetSqlInt64 (object o, int index, SqlInt64 value);
158 void SetSqlSingle (object o, int index, SqlSingle value);
159 void SetSqlBoolean (object o, int index, SqlBoolean value);
160 void SetSqlDouble (object o, int index, SqlDouble value);
161 void SetSqlDateTime(object o, int index, SqlDateTime value);
162 void SetSqlDecimal (object o, int index, SqlDecimal value);
163 void SetSqlMoney (object o, int index, SqlMoney value);
164 void SetSqlGuid (object o, int index, SqlGuid value);
165 void SetSqlString (object o, int index, SqlString value);
166 }
167
168 [CLSCompliant(false)]
169 public interface IValueMapper
170 {
171 void Map(
172 IMapDataSource source, object sourceObject, int sourceIndex,
173 IMapDataDestination dest, object destObject, int destIndex);
174 }
175
176 public static partial class ValueMapping
177 {
178 #region Init
179
180 private static Table _mappers = new Table();
181
182 private static void AddSameType(Type type, IValueMapper mapper)
183 {
184 _mappers.Add(new KeyValue(type, type), mapper);
185 }
186
187 #endregion
188
189 #region Default Mapper
190
191 class DefaultValueMapper : IValueMapper
192 {
193 public void Map(
194 IMapDataSource source, object sourceObject, int sourceIndex,
195 IMapDataDestination dest, object destObject, int destIndex)
196 {
197 dest.SetValue(destObject, destIndex, source.GetValue(sourceObject, sourceIndex));
198
199 //object o = source.GetValue(sourceObject, sourceIndex);
200
201 //if (o == null) dest.SetNull (destObject, destIndex);
202 //else dest.SetValue(destObject, destIndex, o);
203 }
204 }
205
206 private static IValueMapper _defaultMapper = new DefaultValueMapper();
207 [CLSCompliant(false)]
208 public static IValueMapper DefaultMapper
209 {
210 get { return _defaultMapper; }
211 set { _defaultMapper = value; }
212 }
213
214 #endregion
215
216 #region GetMapper
217
218 private static object _sync = new object();
219
220 [CLSCompliant(false)]
221 public static IValueMapper GetMapper(Type t1, Type t2)
222 {
223 lock (_sync)
224 {
225 if (t1 == null) t1 = typeof(object);
226 if (t2 == null) t2 = typeof(object);
227
228 if (t1.IsEnum) t1 = Enum.GetUnderlyingType(t1);
229 if (t2.IsEnum) t2 = Enum.GetUnderlyingType(t2);
230
231 KeyValue key = new KeyValue(t1, t2);
232
233 IValueMapper t;
234
235 #if FW2
236 if (_mappers.TryGetValue(key, out t))
237 return t;
238
239 #else
240 t = (IValueMapper)_mappers[key];
241
242 if (t != null)
243 return t;
244
245 t = _defaultMapper;
246 #endif
247 _mappers.Add(key, t);
248
249 return t;
250 }
251 }
252
253 #endregion
254 }
255 }