beagled/Mono.Data.SqliteClient/SqliteParameter.cs

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