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