public ProfessorsCosmosBll(IProfessorsCosmosDal professorsCosmosDal,
ILogger <ProfessorsCosmosBll> logger)
{
_professorsCosmosDal = professorsCosmosDal ?? throw new ArgumentNullException(nameof(professorsCosmosDal));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
public ProfessorsCosmosBll(ILogger <ProfessorsCosmosBll> logger, IProfessorsCosmosDal professorsCosmosDal)
{
_professorsCosmosDal = professorsCosmosDal;
_logger = logger;
}
