/
DbContextFactory.cs
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/
DbContextFactory.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Diagnostics.CodeAnalysis;
namespace Microsoft.EntityFrameworkCore.Internal;
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public class DbContextFactory<[DynamicallyAccessedMembers(DbContext.DynamicallyAccessedMemberTypes)] TContext>
: IDbContextFactory<TContext>
where TContext : DbContext
{
private readonly IServiceProvider _serviceProvider;
private readonly DbContextOptions<TContext> _options;
private readonly Func<IServiceProvider, DbContextOptions<TContext>, TContext> _factory;
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public DbContextFactory(
IServiceProvider serviceProvider,
DbContextOptions<TContext> options,
IDbContextFactorySource<TContext> factorySource)
{
_serviceProvider = serviceProvider;
_options = options;
_factory = factorySource.Factory;
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual TContext CreateDbContext()
=> _factory(_serviceProvider, _options);
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual Task<TContext> CreateDbContextAsync(CancellationToken cancellationToken = default)
=> Task.FromResult(CreateDbContext());
}