public async Task <bool> Execute(string policyId) { _umaServerEventSource.StartToRemoveAuthorizationPolicy(policyId); if (string.IsNullOrWhiteSpace(policyId)) { throw new ArgumentNullException(nameof(policyId)); } var policy = await _repositoryExceptionHelper.HandleException( string.Format(ErrorDescriptions.TheAuthorizationPolicyCannotBeRetrieved, policyId), () => _policyRepository.Get(policyId)); if (policy == null) { return(false); } await _repositoryExceptionHelper.HandleException( string.Format(ErrorDescriptions.TheAuthorizationPolicyCannotBeUpdated, policyId), () => _policyRepository.Delete(policyId)); _umaServerEventSource.FinishToRemoveAuthorizationPolicy(policyId); return(true); }