Re: entry ordering for blackboard-style communication?

Hi Shay,

thanks for the reply. Unfortunately, the document links require
registration at GigaSpaces. Also it seems to be free, I am not sure if
this is the right way to provide information ;)

Shay Hassidim wrote:
> The Space SQL query API allows you to query one class instances. We support
> querying all data types and al logical operations (<, >, => , =< , AND / OR
> / NOT etc).
> We provide fast indexing engine for bigger/less than queries as well
> equality queries used for classic JavaSpace matching queries. We provide
> also ability to perform queries based on Java regular expressions.
> In terms of Notifications we support regular expression , token based and
> bigger/less than templates.

It would be rather interesting to know, if it is possible to have
complex conditionals with SQL in GigaSpaces, e.g., to register for
notification on the existence of more than one (kind of) entry,
comparable to SQL JOIN. For example: "I want to be notified, if there is
an entry for a yellow knife AND an entry for a blue fork". :)

Cheers,
Stefan

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