One-to-Many Relationship with a Dependent Value Class

alice_adler01 Mar 19, 2002 12:49 PM

I have an (EJB2.0 CMP) entity bean EmployeeBean. The employee has multiple addresses and I have represented "Address" as a dependent value class. Now I don't want to have the Address as an entity bean but still want to have a 1-to-many relationship between Employee and Address tables. Is there a standard way to achieve this in EJB2.0 (a dependent value class can't be the value of a cmr field)? Please advise.

Thanks much.

1. Re: One-to-Many Relationship with a Dependent Value Class

guhi Mar 20, 2002 8:26 AM (in response to alice_adler01)

If you store address as a dependant value class it will not be stored in a table of its own but as a blob (as far as I understand the specs). You can configure jboss to store the components of a dependant value class but it won't be stored in a table of its own.
So you really have to store the addresses as entity beans so they are in a table of their own. Is there any reason not to do so?

-Gunnar
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2. Re: One-to-Many Relationship with a Dependent Value Class

alice_adler01 Mar 20, 2002 8:02 PM (in response to alice_adler01)

I was just confirming that there is no other way to do that except creating as an entity bean. Seemed like an "Address " isn't granular enough to be declared as an entity bean.

Thanks for the help.
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3. Re: One-to-Many Relationship with a Dependent Value Class

dsundstrom Mar 20, 2002 8:10 PM (in response to alice_adler01)

You really only need to worry about granularity on remote interfaces.
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