Subject:
Re: Hybrid event store (version 1.4)
From:
Steve Eckmann <eckmann@anl.gov>
Date:
Fri, 01 Feb 2002 17:00:08 -0700
To:
David Adams <dladams@bnl.gov>

On Friday, 2/1/02, you wrote:


>StoreGate presently provides access to EDO's (called DataObject's) by type and key. I'm not sure the designers had a specific plan for dealing with multiple instances of the same type-key but I'm pretty sure they don't want it to happen.
>
>My requirements that type-keys be unique (in the transisent store, visible input event and the output event) are inspired by this requirement in StoreGate. The HES document does add some specifics about what happens if an attempt is made to duplicate a type-key.


David,

Thanks for the reminder. StoreGate currently allows multiple "keyless" (default) instances of a single type, but as you say, it's an error to try to write a second keyed instance. The restriction makes sense, but I had forgotten about it.

Steve