on SOA
This is part two of the two-parter about CDM. In part one we covered the theory of CDM. In this post we’ll get our hands dirty (and our brains as well) with the practicalities. It’s going to be ugly. From theory to practice At the end of the previous post we discovered that the decision…
Does this discussion sound familiar?“…”“But an employee can also be a customer!”“True, so we would need something like ‘Person’ to capture the commonalities.”“OK, so email should be part of person, but it has to be optional for customer and required for employee. How do we do that?”“…”And before you know it, a phone number is…