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//------------------------------------------------------------------------------
// <copyright file="SqlClientFactory.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
using System;
using System.Data;
using System.Data.Common;
using System.Data.Sql;
using System.Security;
using System.Security.Permissions;
namespace System.Data.SqlClient {
public sealed class SqlClientFactory : DbProviderFactory, IServiceProvider {
public static readonly SqlClientFactory Instance = new SqlClientFactory();
private SqlClientFactory() {
}
public override bool CanCreateDataSourceEnumerator {
get {
return true;
}
}
public override DbCommand CreateCommand() {
return new SqlCommand();
}
public override DbCommandBuilder CreateCommandBuilder() {
return new SqlCommandBuilder();
}
public override DbConnection CreateConnection() {
return new SqlConnection();
}
public override DbConnectionStringBuilder CreateConnectionStringBuilder() {
return new SqlConnectionStringBuilder();
}
public override DbDataAdapter CreateDataAdapter() {
return new SqlDataAdapter();
}
public override DbParameter CreateParameter() {
return new SqlParameter();
}
public override CodeAccessPermission CreatePermission(PermissionState state) {
return new SqlClientPermission(state);
}
public override DbDataSourceEnumerator CreateDataSourceEnumerator() {
return SqlDataSourceEnumerator.Instance;
}
/// <summary>
/// Extension mechanism for additional services; currently the only service
/// supported is the DbProviderServices
/// </summary>
/// <returns>requested service provider or null.</returns>
object IServiceProvider.GetService(Type serviceType) {
object result = null;
if (serviceType == GreenMethods.SystemDataCommonDbProviderServices_Type) {
result = GreenMethods.SystemDataSqlClientSqlProviderServices_Instance();
}
return result;
}
}
}
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