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Re: Re[eclipselink-users] adOnly embedded primary key ?
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- From: James Sutherland <jamesssss@xxxxxxxxx>
- Date: Wed, 14 Oct 2009 07:37:21 -0700 (PDT)
- Delivered-to: eclipselink-users@eclipse.org
It should be possible using the updateable/insertable=false. Perhaps include
your code, and the exception and stack trace.
xcallejas wrote:
>
>
> Hi,
>
> Can I have a embedded primary key just for read only? I need to have the
> fields of the composite primarity to be written in the entity not in the
> primary key.
>
> Why? because I need to know (without query to the database) if the entity
> is a
> new entity (primary key instace is null) or if it exist in the database
> already.
>
> I have updatable = false, insertable = false in the fields of the primary
> key
> embedded class, I have also declared the class as @ReadOnly, but when I
> try to
> persist the entity it says that the field "ClientID" (part of the
> composite
> primary key) cannot be NULL, but it is not null in the "Client" field in
> the
> entity instance.
>
> Thanks in advance.
> xavier.
>
>
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