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// Copyright 2004-2017 Castle Project - http://www.castleproject.org/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
namespace Castle.MicroKernel.Lifestyle
{
using System;
using System.ComponentModel;
using Castle.MicroKernel.Lifestyle.Scoped;
using Castle.Windsor;
[EditorBrowsable(EditorBrowsableState.Never)]
public static class LifestyleExtensions
{
/// <summary>
/// Begins a scope.
/// </summary>
/// <param name="kernel">The <see cref="IKernel"/>.</param>
/// <returns>Returns an <see cref="IDisposable"/> to be used in a <code>using</code> block.</returns>
public static IDisposable BeginScope(this IKernel kernel)
{
return BeginScope();
}
/// <summary>
/// Begins a scope.
/// </summary>
/// <param name="container">The <see cref="IWindsorContainer"/>.</param>
/// <returns>Returns an <see cref="IDisposable"/> to be used in a <code>using</code> block.</returns>
public static IDisposable BeginScope(this IWindsorContainer container)
{
return BeginScope();
}
/// <summary>
/// Begins a scope if not executing inside one.
/// </summary>
/// <param name="kernel">The <see cref="IKernel"/>.</param>
/// <returns>Returns an <see cref="IDisposable"/> to be used in a <code>using</code> block.</returns>
public static IDisposable RequireScope(this IKernel kernel)
{
return RequireScope();
}
/// <summary>
/// Begins a scope if not executing inside one.
/// </summary>
/// <param name="container">The <see cref="IWindsorContainer"/>.</param>
/// <returns>Returns an <see cref="IDisposable"/> to be used in a <code>using</code> block.</returns>
public static IDisposable RequireScope(this IWindsorContainer container)
{
return RequireScope();
}
private static IDisposable BeginScope()
{
return new CallContextLifetimeScope();
}
private static IDisposable RequireScope()
{
var current = CallContextLifetimeScope.ObtainCurrentScope();
if (current == null)
{
return BeginScope();
}
return null; // Return null, not the parent otherwise you'll cause premature disposal
}
}
}