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FineGrained Objects vs Coarse Grained Object

siva kumar
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Joined: Sep 03, 2004
Posts: 86
what is the difference between Fine grained and Coarse Grained objects
Masoud Kalali
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Joined: Jul 08, 2004
Posts: 531

Hi
These terms used to describe the level of details exposed by a component public interface.
A component which its public interface expose so much details about it internal structure and function called fine-grained.
A component with a lower level of details in its public interface called coarse-grained.
when we want to have afew method call and perform many operation we use
coarse-grained -usually in remote clients-
In OR mapping when you map each table to one EJB -so each row is one EJB-
you did a fine-grained mapping (its not recommanded) and vice-versa.


Masoud Kalali
Software Engineer - My Weblog - GlassFish Security
 
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