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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
using System.ComponentModel;
using System.Reactive.PlatformServices;
namespace System.Reactive
{
internal static class ExceptionHelpers
{
private static Lazy<IExceptionServices> s_services = new Lazy<IExceptionServices>(Initialize);
public static void Throw(this Exception exception)
{
s_services.Value.Rethrow(exception);
}
public static void ThrowIfNotNull(this Exception exception)
{
if (exception != null)
s_services.Value.Rethrow(exception);
}
private static IExceptionServices Initialize()
{
return PlatformEnlightenmentProvider.Current.GetService<IExceptionServices>() ?? new DefaultExceptionServices();
}
}
}
namespace System.Reactive.PlatformServices
{
/// <summary>
/// (Infrastructure) Services to rethrow exceptions.
/// </summary>
/// <remarks>
/// This type is used by the Rx infrastructure and not meant for public consumption or implementation.
/// No guarantees are made about forward compatibility of the type's functionality and its usage.
/// </remarks>
[EditorBrowsable(EditorBrowsableState.Never)]
public interface IExceptionServices
{
/// <summary>
/// Rethrows the specified exception.
/// </summary>
/// <param name="exception">Exception to rethrow.</param>
void Rethrow(Exception exception);
}
}
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