private static Func <DispatchMiddlewareContext, Func <Task>, Task> BeginMiddlewareScope(IServiceProvider serviceProvider)
{
return(async(context, next) =>
{
IOrchestrationScope scope = OrchestrationScope.GetOrCreateScope(
context.GetProperty <OrchestrationInstance>().InstanceId, serviceProvider);
using (scope.Enter())
{
await next().ConfigureAwait(false);
}
});
}
/// <summary>
/// Enters the scope identified by <paramref name="orchestrationInstanceId"/>.
/// </summary>
/// <param name="orchestrationInstanceId">The orchestration instance id. Not null or empty.</param>
/// <returns>A disposalable that will exit the scope when disposed.</returns>
public static IDisposable EnterScope(string orchestrationInstanceId)
{
IOrchestrationScope scope = GetScope(orchestrationInstanceId);
return(scope?.Enter() ?? EmptyDisposable.Instance);
}
