wasCSharpSQLite – Blame information for rev 2
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1 | office | 1 | // |
2 | // Community.CsharpSqlite.SQLiteClient.SqliteParameter.cs |
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3 | // |
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4 | // Represents a parameter to a SqliteCommand, and optionally, its mapping to |
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5 | // DataSet columns. |
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6 | // |
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7 | // Author(s): Vladimir Vukicevic <vladimir@pobox.com> |
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8 | // Everaldo Canuto <everaldo_canuto@yahoo.com.br> |
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9 | // |
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10 | // Copyright (C) 2002 Vladimir Vukicevic |
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11 | // |
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12 | // Permission is hereby granted, free of charge, to any person obtaining |
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13 | // a copy of this software and associated documentation files (the |
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14 | // "Software"), to deal in the Software without restriction, including |
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15 | // without limitation the rights to use, copy, modify, merge, publish, |
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16 | // distribute, sublicense, and/or sell copies of the Software, and to |
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17 | // permit persons to whom the Software is furnished to do so, subject to |
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18 | // the following conditions: |
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19 | // |
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20 | // The above copyright notice and this permission notice shall be |
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21 | // included in all copies or substantial portions of the Software. |
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22 | // |
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23 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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24 | // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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25 | // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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26 | // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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27 | // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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28 | // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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29 | // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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30 | // |
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31 | |||
32 | using System; |
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33 | using System.Data; |
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34 | using System.Data.Common; |
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35 | |||
36 | namespace Community.CsharpSqlite.SQLiteClient |
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37 | { |
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38 | public class SqliteParameter : DbParameter |
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39 | { |
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40 | |||
41 | #region Fields |
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42 | |||
43 | private string name; |
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44 | private DbType type; |
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45 | private DbType originalType; |
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46 | private bool typeSet; |
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47 | private string source_column; |
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48 | private ParameterDirection direction; |
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49 | #if !SQLITE_SILVERLIGHT |
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50 | private DataRowVersion row_version; |
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51 | #endif |
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52 | private object param_value; |
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53 | private byte precision; |
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54 | private byte scale; |
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55 | private int size; |
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56 | private bool isNullable; |
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57 | private bool sourceColumnNullMapping; |
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58 | |||
59 | #endregion |
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60 | |||
61 | #region Constructors and destructors |
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62 | |||
63 | public SqliteParameter () |
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64 | { |
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65 | type = DbType.String; |
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66 | direction = ParameterDirection.Input; |
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67 | isNullable = true; |
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68 | } |
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69 | |||
70 | public SqliteParameter (string name, DbType type) |
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71 | { |
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72 | this.name = name; |
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73 | this.type = type; |
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74 | isNullable = true; |
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75 | } |
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76 | |||
77 | public SqliteParameter (string name, object value) |
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78 | { |
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79 | this.name = name; |
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80 | type = DbType.String; |
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81 | param_value = value; |
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82 | direction = ParameterDirection.Input; |
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83 | isNullable = true; |
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84 | } |
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85 | |||
86 | public SqliteParameter (string name, DbType type, int size) : this (name, type) |
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87 | { |
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88 | this.size = size; |
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89 | } |
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90 | |||
91 | public SqliteParameter (string name, DbType type, int size, string src_column) : this (name ,type, size) |
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92 | { |
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93 | source_column = src_column; |
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94 | } |
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95 | |||
96 | #endregion |
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97 | |||
98 | #region Properties |
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99 | |||
100 | public override DbType DbType { |
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101 | get { return type; } |
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102 | set { |
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103 | if (!typeSet) { |
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104 | originalType = type; |
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105 | typeSet = true; |
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106 | } |
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107 | type = value; |
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108 | if (!typeSet) |
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109 | originalType = type; |
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110 | } |
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111 | } |
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112 | |||
113 | public override ParameterDirection Direction { |
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114 | get { return direction; } |
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115 | set { direction = value; } |
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116 | } |
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117 | |||
118 | public override bool IsNullable { |
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119 | get { return isNullable; } |
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120 | set { isNullable = value; } |
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121 | } |
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122 | |||
123 | public override string ParameterName { |
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124 | get { return name; } |
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125 | set { name = value; } |
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126 | } |
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127 | |||
2 | office | 128 | public override byte Precision { |
1 | office | 129 | get { return precision; } |
130 | set { precision = value; } |
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131 | } |
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132 | |||
2 | office | 133 | public override byte Scale { |
1 | office | 134 | get { return scale; } |
135 | set { scale = value; } |
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136 | } |
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137 | |||
138 | public override int Size { |
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139 | get { return size; } |
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140 | set { size = value; } |
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141 | } |
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142 | |||
143 | public override string SourceColumn { |
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144 | get { return source_column; } |
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145 | set { source_column = value; } |
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146 | } |
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147 | |||
148 | public override bool SourceColumnNullMapping { |
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149 | get { return sourceColumnNullMapping; } |
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150 | set { sourceColumnNullMapping = value; } |
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151 | } |
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152 | #if !SQLITE_SILVERLIGHT |
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153 | public override DataRowVersion SourceVersion { |
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154 | get { return row_version; } |
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155 | set { row_version = value; } |
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156 | } |
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157 | #endif |
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158 | public override object Value { |
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159 | get { return param_value; } |
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160 | set { param_value = value; } |
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161 | } |
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162 | |||
163 | #endregion |
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164 | |||
165 | #region methods |
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166 | |||
167 | public override void ResetDbType () |
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168 | { |
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169 | type = originalType; |
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170 | } |
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171 | |||
172 | #endregion |
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173 | } |
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174 | } |