2 // System.Data.SqlClient.SqlClientFactory.cs
5 // Sureshkumar T (tsureshkumar@novell.com)
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
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
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27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 namespace System.Data.SqlClient
34 using System.Data.Common;
36 public class SqlClientFactory : DbProviderFactory
39 public static SqlClientFactory Instance = null;
40 public static object lockStatic = new object ();
45 private SqlClientFactory ()
50 static SqlClientFactory ()
55 Instance = new SqlClientFactory ();
58 #endregion //Constructors
61 public override bool CanCreateDataSourceEnumerator {
62 get { throw new NotImplementedException ();}
65 #region public overrides
66 public override DbCommand CreateCommand ()
68 return (DbCommand) new SqlCommand ();
71 public override DbCommandBuilder CreateCommandBuilder ()
73 return (DbCommandBuilder) new SqlCommandBuilder ();
76 public override DbConnection CreateConnection ()
78 throw new InvalidOperationException ();
79 // DbConnectionFactory connFactory = SqlConnectionFactory.GetSingleton (Instance /* provider factory */);
80 // SqlConnection connection = new SqlConnection (connFactory);
81 // return (DbConnection) connection;
84 public override DbDataAdapter CreateDataAdapter ()
86 return (DbDataAdapter) new SqlDataAdapter ();
89 public override DbDataSourceEnumerator CreateDataSourceEnumerator ()
91 return (DbDataSourceEnumerator) new SqlDataSourceEnumerator ();
94 public override DbParameter CreateParameter ()
96 return (DbParameter) new SqlParameter ();
99 #endregion // public overrides