A system is being developed that will get the values for its objects from a variety of possible
sources, including a relational database system, a legacy transaction system, and indexed files.
Each persistence store has its own wrapper object that wraps its API. Which one of the following
BEST describes the design approach to manage the storing and retrieving of the business objects
by using these wrappers?
A.
Brokers with a common interface instantiate and populate objects using the appropriate
wrappers.
B.
The views communicate with the wrappers to instantiate and populate the business objects.
C.
The class of each business object communicates with the appropriate wrapper to instantiate
and populate instances.
D.
Each business object communicates with the appropriate wrapper to get fully populated during
its instantiation.