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//------------------------------------------------------------------------------
// <copyright file="GreenMethods.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.Common;
using System.Diagnostics;
using System.Reflection;
using System.Security.Permissions;
namespace System.Data.Common {
internal static class GreenMethods {
private const string ExtensionAssemblyRef = "System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=" + AssemblyRef.EcmaPublicKey;
// For performance, we should convert these calls to using DynamicMethod with a Delegate, or
// even better, friend assemblies if its possible; so far there's only one of these per
// AppDomain, so we're OK.
//------------------------------------------------------------------------------
// Access to the DbProviderServices type
private const string SystemDataCommonDbProviderServices_TypeName = "System.Data.Common.DbProviderServices, " + ExtensionAssemblyRef;
internal static Type SystemDataCommonDbProviderServices_Type = Type.GetType(SystemDataCommonDbProviderServices_TypeName, false);
//------------------------------------------------------------------------------
// Access to the SqlProviderServices class singleton instance;
private const string SystemDataSqlClientSqlProviderServices_TypeName = "System.Data.SqlClient.SqlProviderServices, " + ExtensionAssemblyRef;
private static FieldInfo SystemDataSqlClientSqlProviderServices_Instance_FieldInfo;
internal static object SystemDataSqlClientSqlProviderServices_Instance() {
if (null == SystemDataSqlClientSqlProviderServices_Instance_FieldInfo) {
Type t = Type.GetType(SystemDataSqlClientSqlProviderServices_TypeName, false);
if (null != t) {
SystemDataSqlClientSqlProviderServices_Instance_FieldInfo = t.GetField("Instance", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Static);
}
}
object result = SystemDataSqlClientSqlProviderServices_Instance_GetValue();
return result;
}
[System.Security.Permissions.ReflectionPermission(System.Security.Permissions.SecurityAction.Assert, MemberAccess=true)]
private static object SystemDataSqlClientSqlProviderServices_Instance_GetValue() {
object result = null;
if (null != SystemDataSqlClientSqlProviderServices_Instance_FieldInfo) {
result = SystemDataSqlClientSqlProviderServices_Instance_FieldInfo.GetValue(null);
}
return result;
}
}
}
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