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Re: [eclipselink-users] Sequence generator - as a service
- From: "Jan Vissers" <Jan.Vissers@xxxxxxxxxx>
- Date: Wed, 6 Aug 2008 23:55:29 +0200 (CEST)
- Delivered-to: firstname.lastname@example.org
- User-agent: SquirrelMail/1.4.11
So basically I was wondering whether I can use EclipseLink outside of the
context of an Entity.
> Might be a silly/hard to understand question...
> How would I use EclipseLink as a means to implement sequence block
> pattern? What I want to do is this:
> a. Remote client (Flex) calls Java service do so work, amongst others it
> passes in an identifier (initially '0').
> b. Java service uses 'sequence block' to obtain next unique identifier
> (not '0') when the passed in identifier is '0'. --> this would be
> the place where I would want to use EclipseLink <--
> c. Java service performs requested work and returns the identifier, which
> might have been not '0' in the first place i.e. passed in at a.
> or initialized at b.
> d. Remote client (Flex) continues to call a. as long as there is work to
> be done. If everything is completed continues with e.
> e. Remote client (Flex) calls into (another) Java service to 'finalize'
> operation. It passes in the not '0' identifier and other stuff.
> f. Java service uses not '0' identifier as the primary key (@Id) via
> setId() of a record to be created.
> Now, let us first wait and see who understands what I'm trying to do here
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