Databases Reference
In-Depth Information
(return address in case of problem with the product),
vacations, etc.
Language
address
address
address
address
address
Figure 9.2.
Semantic modeling of the Address
(first part, source: MAG)
We are progressively discovering the semantics of the
address but so far it still remains a static perspective. Now
we have to concern ourselves with the business lifecycle of
the address.
9.1.3.
Modeling of the lifecycle of the address
Semantic modeling must express everything about the
address. It must not be confined to a static description. We
also have to model it's dynamics from a business point of
view, which allows us to assert the data validation rules
depending on the address's states. Figure 9.3 shows the final
result of this dynamic modeling, in the form of a state
machine in UML. These address states are not dependent on
