SqlClientFactory.cs 4.9 KB

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  1. //
  2. // System.Data.SqlClient.SqlClientFactory.cs
  3. //
  4. // Author:
  5. // Sureshkumar T ([email protected])
  6. //
  7. //
  8. // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  9. //
  10. // Permission is hereby granted, free of charge, to any person obtaining
  11. // a copy of this software and associated documentation files (the
  12. // "Software"), to deal in the Software without restriction, including
  13. // without limitation the rights to use, copy, modify, merge, publish,
  14. // distribute, sublicense, and/or sell copies of the Software, and to
  15. // permit persons to whom the Software is furnished to do so, subject to
  16. // the following conditions:
  17. //
  18. // The above copyright notice and this permission notice shall be
  19. // included in all copies or substantial portions of the Software.
  20. //
  21. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28. //
  29. #if NET_2_0
  30. namespace System.Data.SqlClient
  31. {
  32. using System.Data;
  33. using System.Data.Common;
  34. using System.Data.ProviderBase;
  35. public class SqlClientFactory : DbProviderFactory
  36. {
  37. #region Fields
  38. public static SqlClientFactory Instance = null;
  39. public static object lockStatic = new object ();
  40. #endregion //Fields
  41. #region Constructors
  42. private SqlClientFactory ()
  43. {
  44. }
  45. static SqlClientFactory ()
  46. {
  47. lock (lockStatic)
  48. {
  49. if (Instance == null)
  50. Instance = new SqlClientFactory ();
  51. }
  52. }
  53. #endregion //Constructors
  54. [MonoTODO]
  55. public override bool CanCreateDataSourceEnumerator {
  56. get { throw new NotImplementedException ();}
  57. }
  58. #region public overrides
  59. public override DbCommand CreateCommand ()
  60. {
  61. return (DbCommand) new SqlCommand ();
  62. }
  63. public override DbCommandBuilder CreateCommandBuilder ()
  64. {
  65. return (DbCommandBuilder) new SqlCommandBuilder ();
  66. }
  67. public override DbConnection CreateConnection ()
  68. {
  69. DbConnectionFactory connFactory = SqlConnectionFactory.GetSingleton (Instance /* provider factory */);
  70. SqlConnection connection = new SqlConnection (connFactory);
  71. return (DbConnection) connection;
  72. }
  73. public override DbDataAdapter CreateDataAdapter ()
  74. {
  75. return (DbDataAdapter) new SqlDataAdapter ();
  76. }
  77. public override DbDataSourceEnumerator CreateDataSourceEnumerator ()
  78. {
  79. return (DbDataSourceEnumerator) new SqlDataSourceEnumerator ();
  80. }
  81. public override DbParameter CreateParameter ()
  82. {
  83. return (DbParameter) new SqlParameter ();
  84. }
  85. public new DbProviderSupportedClasses SupportedClasses
  86. {
  87. get
  88. {
  89. return (DbProviderSupportedClasses) (
  90. DbProviderSupportedClasses.DbConnection |
  91. DbProviderSupportedClasses.DbCommand |
  92. DbProviderSupportedClasses.DbParameter |
  93. DbProviderSupportedClasses.DbConnectionStringBuilder |
  94. DbProviderSupportedClasses.DbCommandBuilder |
  95. DbProviderSupportedClasses.DbDataAdapter |
  96. DbProviderSupportedClasses.DbDataSourceEnumerator |
  97. DbProviderSupportedClasses.CodeAccessPermission
  98. );
  99. }
  100. }
  101. #endregion // public overrides
  102. }
  103. }
  104. #endif // NET_2_0