In clustering environment?
--- Evan Ireland <[EMAIL PROTECTED]> wrote:
> Entity beans with persistence in memory are what you need.
>
> <vendor>
>
> <dontReadThisElementIfYouDontWantToHearAboutUnreleadedSoftware>
>
> The upcoming EAServer 4.0 will support this through its unique object
> cache architecture.
>
> </dontReadThisElementIfYouDontWantToHearAboutUnreleadedSoftware>
>
> </vendor>
>
> ZHU Jia wrote:
> >
> > Hello!
> >
> > As far as I understand, there's no way to cache states across sessions
> > in EJB, right? Then how can I accomplish this:
> > We have some chained Java objects to be converted into EJBs, and these
> > objects perform quite costly operations. But the data these operations
> > return should only be temporary
> > so it wouldn't really make sense to model it in the DB. For the sake of
> > performance, we put the data in a buffer and use a flag to check whether
> > the condition has changed, and only
> > recalculate the whole thing if there's any change. But with EJB, I
> > cann't really hold a buffer in the bean because I don't have any control
> > over the life cycle of the bean:-(
> > Well, to rephrase my question, is there some way to retrieve some cached
> > state from EJB without resort to persistent storage?
> > Any hint or tip will be highly appreciated and many thanks in advance!
> >
> > regards
> > ZHU Jia
> >
> > ===========================================================================
> > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
> > of the message "signoff EJB-INTEREST". For general help, send email to
> > [EMAIL PROTECTED] and include in the body of the message "help".
>
> --
>
________________________________________________________________________________
>
> Evan Ireland Sybase EAServer Engineering
> [EMAIL PROTECTED]
> Wellington, New Zealand +64 4
> 934-5856
>
> ===========================================================================
> To unsubscribe, send email to [EMAIL PROTECTED] and include in the body
> of the message "signoff EJB-INTEREST". For general help, send email to
> [EMAIL PROTECTED] and include in the body of the message "help".
>
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