mcs/class/System.Data/System.Data.SqlClient/SqlClientFactory.cs

   1 //
   2 // System.Data.SqlClient.SqlClientFactory.cs
   3 //
   4 // Author:
   5 //   Sureshkumar T (tsureshkumar@novell.com)
   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
  30 using System.Data;
  31 using System.Data.Common;
  32 using System.Data.Sql;
  33 using System.Security;
  34 using System.Security.Permissions;
  35
  36 namespace System.Data.SqlClient
  37 {
  38         public sealed class SqlClientFactory : DbProviderFactory
  39         {
  40                 #region Fields
  41
  42                 public static readonly SqlClientFactory Instance = new SqlClientFactory ();
  43
  44                 #endregion //Fields
  45
  46                 #region Constructors
  47
  48                 private SqlClientFactory ()
  49                 {
  50                 }
  51
  52                 #endregion //Constructors
  53
  54                 #region Properties
  55
  56                 public override bool CanCreateDataSourceEnumerator {
  57                         get { return true; }
  58                 }
  59
  60                 #endregion //Properties
  61
  62                 #region public overrides
  63
  64                 public override DbCommand CreateCommand ()
  65                 {
  66                         return new SqlCommand ();
  67                 }
  68
  69                 public override DbCommandBuilder CreateCommandBuilder ()
  70                 {
  71                         return new SqlCommandBuilder ();
  72                 }
  73
  74                 public override DbConnection CreateConnection ()
  75                 {
  76                         return new SqlConnection ();
  77                 }
  78
  79                 public override DbConnectionStringBuilder CreateConnectionStringBuilder ()
  80                 {
  81                         return new SqlConnectionStringBuilder ();
  82                 }
  83
  84                 public override DbDataAdapter CreateDataAdapter ()
  85                 {
  86                         return new SqlDataAdapter ();
  87                 }
  88
  89                 public override DbDataSourceEnumerator CreateDataSourceEnumerator ()
  90                 {
  91                         return SqlDataSourceEnumerator.Instance;
  92                 }
  93
  94                 public override DbParameter CreateParameter ()
  95                 {
  96                         return new SqlParameter ();
  97                 }
  98
  99                 public override CodeAccessPermission CreatePermission (PermissionState state)
 100                 {
 101                         return new SqlClientPermission(state);
 102                 }
 103
 104                 #endregion // public overrides
 105         }
 106 }