Here is a quote from the second edition of O'Reilly's EJB book that may help
you to understand dependent objects. This only represents a very small portion
of a very lengthy discussion of dependent object in chapter 9 of the second
edition, which will be available this March.
Enteprise JavaBeans, second edition, by Richard Monson-Haefel. Chapter 9, page
336:
"Dependent objects are objects that only have meaning within the context of
another business object. They typically represent fairly fine-grained business
con-cepts,
like an address, phone number, or order item. For example, an address has
little meaning when it is not associated with a business object like Person or
Organization. It depends on the context of the business object to give it
mean-ing.
Such an object can be thought of as a wrapper for related data. The fields that
make up an address (street, city, state, and zip) should be packaged together
in a
single object called Address. In turn, the Address object is usually an
attribute or
property of another business object; in EJB, we would typically see an Address
or
some other dependent object as a property of an entity bean."
-- Richard
--
Author of Enterprise JavaBeans
Published by O'Reilly & Associates
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