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comparison Source/Mapping/ScalarDataReaderMapper.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Data;
3
4 using BLToolkit.Common;
5 using System.Data.SqlTypes;
6
7 namespace BLToolkit.Mapping
8 {
9 public class ScalarDataReaderMapper : DataReaderMapper
10 {
11 public ScalarDataReaderMapper(
12 MappingSchema mappingSchema,
13 IDataReader dataReader,
14 NameOrIndexParameter nameOrIndex)
15 : base(mappingSchema, dataReader)
16 {
17 _index = nameOrIndex.ByName? dataReader.GetOrdinal(nameOrIndex.Name): nameOrIndex.Index;
18 }
19
20 private readonly int _index;
21 public int Index
22 {
23 get { return _index; }
24 }
25
26 #region IMapDataSource Members
27
28 public override int Count
29 {
30 get { return 1; }
31 }
32
33 public override Type GetFieldType(int index)
34 {
35 return DataReader.GetFieldType(_index);
36 }
37
38 public override string GetName(int index)
39 {
40 return DataReader.GetName(_index);
41 }
42
43 public override object GetValue(object o, int index)
44 {
45 return base.GetValue(o, _index);
46 }
47
48 public override object GetValue(object o, string name)
49 {
50 return base.GetValue(o, _index);
51 }
52
53 public override bool IsNull (object o, int index) { return DataReader.IsDBNull(_index); }
54
55 // Simple type getters.
56 //
57 [CLSCompliant(false)]
58 public override SByte GetSByte (object o, int index) { return base.GetSByte(o, _index); }
59 public override Int16 GetInt16 (object o, int index) { return DataReader.GetInt16 (_index); }
60 public override Int32 GetInt32 (object o, int index) { return DataReader.GetInt32 (_index); }
61 public override Int64 GetInt64 (object o, int index) { return DataReader.GetInt64 (_index); }
62
63 public override Byte GetByte (object o, int index) { return DataReader.GetByte (_index); }
64 [CLSCompliant(false)]
65 public override UInt16 GetUInt16 (object o, int index) { return base.GetUInt16(o, _index); }
66 [CLSCompliant(false)]
67 public override UInt32 GetUInt32 (object o, int index) { return base.GetUInt32(o, _index); }
68 [CLSCompliant(false)]
69 public override UInt64 GetUInt64 (object o, int index) { return base.GetUInt64(o, _index); }
70
71 public override Boolean GetBoolean (object o, int index) { return DataReader.GetBoolean (_index); }
72 public override Char GetChar (object o, int index) { return DataReader.GetChar (_index); }
73 public override Single GetSingle (object o, int index) { return DataReader.GetFloat (_index); }
74 public override Double GetDouble (object o, int index) { return DataReader.GetDouble (_index); }
75 public override Decimal GetDecimal (object o, int index) { return DataReader.GetDecimal (_index); }
76 public override Guid GetGuid (object o, int index) { return DataReader.GetGuid (_index); }
77 public override DateTime GetDateTime(object o, int index) { return DataReader.GetDateTime(_index); }
78 public override DateTimeOffset GetDateTimeOffset(object o, int index) { return (DateTimeOffset)DataReader.GetValue(_index); }
79
80 // Nullable type getters.
81 //
82 [CLSCompliant(false)]
83 public override SByte? GetNullableSByte (object o, int index) { return base.GetNullableSByte(o, _index); }
84 public override Int16? GetNullableInt16 (object o, int index) { return DataReader.IsDBNull(_index)? null: (Int16?)DataReader.GetInt16 (_index); }
85 public override Int32? GetNullableInt32 (object o, int index) { return DataReader.IsDBNull(_index)? null: (Int32?)DataReader.GetInt32 (_index); }
86 public override Int64? GetNullableInt64 (object o, int index) { return DataReader.IsDBNull(_index)? null: (Int64?)DataReader.GetInt64 (_index); }
87
88 public override Byte? GetNullableByte (object o, int index) { return DataReader.IsDBNull(_index)? null: (Byte?) DataReader.GetByte (_index); }
89 [CLSCompliant(false)]
90 public override UInt16? GetNullableUInt16 (object o, int index) { return base.GetNullableUInt16(o, _index); }
91 [CLSCompliant(false)]
92 public override UInt32? GetNullableUInt32 (object o, int index) { return base.GetNullableUInt32(o, _index); }
93 [CLSCompliant(false)]
94 public override UInt64? GetNullableUInt64 (object o, int index) { return base.GetNullableUInt64(o, _index); }
95
96 public override Boolean? GetNullableBoolean (object o, int index) { return DataReader.IsDBNull(_index)? null: (Boolean?) DataReader.GetBoolean (_index); }
97 public override Char? GetNullableChar (object o, int index) { return DataReader.IsDBNull(_index)? null: (Char?) DataReader.GetChar (_index); }
98 public override Single? GetNullableSingle (object o, int index) { return DataReader.IsDBNull(_index)? null: (Single?) DataReader.GetFloat (_index); }
99 public override Double? GetNullableDouble (object o, int index) { return DataReader.IsDBNull(_index)? null: (Double?) DataReader.GetDouble (_index); }
100 public override Decimal? GetNullableDecimal (object o, int index) { return DataReader.IsDBNull(_index)? null: (Decimal?) DataReader.GetDecimal (_index); }
101 public override Guid? GetNullableGuid (object o, int index) { return DataReader.IsDBNull(_index)? null: (Guid?) DataReader.GetGuid (_index); }
102 public override DateTime? GetNullableDateTime(object o, int index) { return DataReader.IsDBNull(_index)? null: (DateTime?)DataReader.GetDateTime(_index); }
103 public override DateTimeOffset? GetNullableDateTimeOffset(object o, int index) { return DataReader.IsDBNull(_index)? null: (DateTimeOffset?)DataReader.GetValue(_index); }
104
105 #if !SILVERLIGHT
106
107 // SQL type getters.
108 //
109 public override SqlByte GetSqlByte (object o, int index) { return DataReader.IsDBNull(_index)? SqlByte. Null: DataReader.GetByte (_index); }
110 public override SqlInt16 GetSqlInt16 (object o, int index) { return DataReader.IsDBNull(_index)? SqlInt16. Null: DataReader.GetInt16 (_index); }
111 public override SqlInt32 GetSqlInt32 (object o, int index) { return DataReader.IsDBNull(_index)? SqlInt32. Null: DataReader.GetInt32 (_index); }
112 public override SqlInt64 GetSqlInt64 (object o, int index) { return DataReader.IsDBNull(_index)? SqlInt64. Null: DataReader.GetInt64 (_index); }
113 public override SqlSingle GetSqlSingle (object o, int index) { return DataReader.IsDBNull(_index)? SqlSingle. Null: DataReader.GetFloat (_index); }
114 public override SqlBoolean GetSqlBoolean (object o, int index) { return DataReader.IsDBNull(_index)? SqlBoolean. Null: DataReader.GetBoolean (_index); }
115 public override SqlDouble GetSqlDouble (object o, int index) { return DataReader.IsDBNull(_index)? SqlDouble. Null: DataReader.GetDouble (_index); }
116 public override SqlDateTime GetSqlDateTime(object o, int index) { return DataReader.IsDBNull(_index)? SqlDateTime.Null: DataReader.GetDateTime(_index); }
117 public override SqlDecimal GetSqlDecimal (object o, int index) { return DataReader.IsDBNull(_index)? SqlDecimal. Null: DataReader.GetDecimal (_index); }
118 public override SqlMoney GetSqlMoney (object o, int index) { return DataReader.IsDBNull(_index)? SqlMoney. Null: DataReader.GetDecimal (_index); }
119 public override SqlGuid GetSqlGuid (object o, int index) { return DataReader.IsDBNull(_index)? SqlGuid. Null: DataReader.GetGuid (_index); }
120 public override SqlString GetSqlString (object o, int index) { return DataReader.IsDBNull(_index)? SqlString. Null: DataReader.GetString (_index); }
121
122 #endif
123
124 #endregion
125 }
126 }