This is a hard problem in EJB 1.X. Your best bet is to use a container that
integrates CORBA (like GemStone/J ;-) and implement the singleton as a CORBA
object.
Best Regards,
Randy Stafford
Senior Architect
GemStoneProfessional Services
> -----Original Message-----
> From: Maria Soledad Escobar - Sun Argentina
> [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, March 24, 2000 12:06 AM
> To: [EMAIL PROTECTED]
> Subject: What should I do if I need a singleton?
>
> Hi all!!!
> Say you want a stateful, shared, server-side object, i.e., a singleton.
> EJB
> does not provide this design pattern explicitly. I could use an entity
> bean,
> but these are really intended to be stored in either a database or some
> (other) legacy backend. Writing a stand-alone entity bean (which
> provides
> full transactional semantics, as entities should) is overkill for a
> simple
> singleton. Or, you could use a stateful session bean, but these are
> intended
> to be single-user. (In reality, it is not possible for a container to
> enforce this rule, and thus it could be ignored, but again we find
> ourselves
> doing something quite unnatural in EJB.)
>
> any suggestions?
> Thank you :-)
>
> --
> ______
> /_____/\ Maria Soledad Escobar
> /____ \\ \ Systems Engineer
> /_____\ \\ /
> /_____/ \/ / / Sun Microsystem de Argentina
> /_____/ / \//\ Bouchard 547 Piso 26
> \_____\//\ / / Buenos Aires (1106)
> \_____/ / /\ / Tel: (54) 11-4317-5600
> \_____/ \\ \ Fax: (54) 11-4311-8999
> \_____\ \\
> \_____\/
>
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