/// <summary>
/// Sets the correct next component.
/// </summary>
/// <param name="error">Component incoming.</param>
/// <param name="atomic">Target chain.</param>
/// <returns>Returns an instance of the <see cref="IChain{T}"/> interface.</returns>
private IChain <Routable> GetFinal(IChain <Routable> error, IChain <Routable> atomic)
{
if (atomic != null && error != null)
{
atomic.SetNext(error);
}
else if (atomic == null && error != null)
{
atomic = error;
}
return(atomic);
}