Dispose() 및 Ninject에 대한 가이드라인

public GetAllCommentsResponse GetAllComments(GetAllCommentsRequest request)
{
    var response = new GetAllCommentsResponse();

    using(_unitOfWork)
        try
        {
            Guard.ArgNotNull(request, "request");

            var results = _unitOfWork.CommentRepository.Get(d => d.Id > 0).ToArray();

            //... Do rest of stuff here
        }
        catch (Exception ex)
        {
            response.Success = false;
            response.FailureInformation = ex.Message;
            Logger.LogError("GetAllComments Method Failed", ex);
        }

    return response;
}

using(_unitOfWork)