59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
/********************************************************
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* ADO.NET 2.0 Data Provider for SQLite Version 3.X
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* Written by Robert Simpson (robert@blackcastlesoft.com)
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*
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* Released to the public domain, use at your own risk!
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********************************************************/
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namespace Mono.Data.Sqlite
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{
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using System;
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using System.Data.Common;
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using System.Reflection;
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using System.Security.Permissions;
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/// <summary>
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/// SQLite implementation of DbProviderFactory.
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/// </summary>
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public sealed partial class SqliteFactory : IServiceProvider
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{
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private static Type _dbProviderServicesType;
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private static object _sqliteServices;
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static SqliteFactory()
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{
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_dbProviderServicesType = Type.GetType("System.Data.Common.DbProviderServices, System.Data.Entity, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", false);
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}
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/// <summary>
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/// Will provide a DbProviderServices object in .NET 3.5
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/// </summary>
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/// <param name="serviceType">The class or interface type to query for</param>
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/// <returns></returns>
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object IServiceProvider.GetService(Type serviceType)
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{
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if (serviceType == typeof(ISQLiteSchemaExtensions) ||
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(_dbProviderServicesType != null && serviceType == _dbProviderServicesType))
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{
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return GetSQLiteProviderServicesInstance();
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}
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return null;
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}
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[ReflectionPermission(SecurityAction.Assert, MemberAccess = true)]
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private object GetSQLiteProviderServicesInstance()
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{
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if (_sqliteServices == null)
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{
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Type type = Type.GetType("Mono.Data.Sqlite.SQLiteProviderServices, Mono.Data.Sqlite.Linq, Version=2.0.38.0, Culture=neutral, PublicKeyToken=db937bc2d44ff139", false);
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if (type != null)
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{
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FieldInfo field = type.GetField("Instance", BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);
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_sqliteServices = field.GetValue(null);
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}
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}
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return _sqliteServices;
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}
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}
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}
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