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Interface (rather than class) as @Entity ? [message #434429]

Mon, 07 May 2007 15:29

Mike Yawn

Messages: 50
Registered: July 2009

Member

Is it legal in JPA to annotate an interface, rather than a class, as the
@Entity?

Will Dali support this
- if I annotate an interface, can Dali use that to generate DDL?
- Can Dali generate an interface for me from a table definition?

Thanks,
Mike

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Re: Interface (rather than class) as @Entity ? [message #434434 is a reply to message #434429]

Mon, 07 May 2007 21:39

Neil Hauge

Messages: 475
Registered: July 2009

Senior Member

Hi Mike,

JPA 1.0 does not support Interfaces as an Entity, and as a result Dali
does not support this in any way.

From the spec: "The entity class must be a top-level class. An enum or
interface should not be designated as an entity."

Neil

Mike Yawn wrote:

> Is it legal in JPA to annotate an interface, rather than a class, as the
> @Entity?

> Will Dali support this
> - if I annotate an interface, can Dali use that to generate DDL?
> - Can Dali generate an interface for me from a table definition?

> Thanks,
> Mike

Report message to a moderator

Re: Interface (rather than class) as @Entity ? [message #593770 is a reply to message #434429]

Mon, 07 May 2007 21:39

Neil Hauge

Messages: 475
Registered: July 2009

Senior Member

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