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JavaRanch » Java Forums » Certification » Architect Certification (SCEA/OCMJEA)
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Entities

Marcelo Ortega
Ranch Hand

Joined: May 31, 2005
Posts: 519

Hey guys.. couple of questions...

1) In general would ALL domain objects in a class diagram / domain model be Entities (stereotyped with <<Entity>>)?

2) Would these Entities (or domain objects) be classified as a Business Object design pattern?


SCJP 1.4, SCWCD 1.4, SCBCD 1.3, SCJD, SCEA/OCMJEA

Live life to an interface, not an implementation!
Ranganathan Kaliyur Mannar
Bartender

Joined: Oct 16, 2003
Posts: 1076
    
  10

1. I don't think so. In fact, Cade's book shows this - where the 'User' is not an Entity. The user stuff is stored in LDAP...


Ranga.
SCJP 1.4, OCMJEA/SCEA 5.0.
Marcelo Ortega
Ranch Hand

Joined: May 31, 2005
Posts: 519

Good point Ranganathan. But as for everything else (everything persisted to a relational database) - I think they would be Entities. Please correct me if I'm wrong.

So would an Entity be a BusinessObject? (design pattern)
 
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subject: Entities
 
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