At 07:56 2/4/01 +0200, Leo Simons wrote: >> Okay - I am not sure how to do it exactly but lets just something like the >> following happens. A ServerApplication starts up, somehow it is marked as >> wanting to access/provide a kernel Facility. (Facilitys being the name I >> chose for kernel level services). It receives a reference to an interface >> that it can use to provide this Facility. It then interfaces to >> kernel (and >> thus other ServerApplications) through this interface. >> >> So the actual "doing" part is done in user land and it is only the glue >> that exists in the kernel. When no .sar is loaded to provide service then >> default implementations of Facilities are used. > >Hmm. An MBean is allowed to get a reference to the MBeanServer by >implementing >some specific interface. It might make more sense to just request a Facility >from the MBeanServer; this allows for more generic MBeans. This needs a >little >more thinking, I think. ;) >> I was hoping that the impact of JMX on the system would be >> minimal - how do >> you see it? I assume there will need to be entries in config files that >> mark particular apps/blocks as manageable but is there a need to pu JMX >> specific information in the config file ? > >I'm not entirely sure yet. If we really use DynamicMBeans for everything, >no. If we also use standard MBeans, or want to provide the option, it is >definately the most logical thing to do. But I'm not sure whether it is >really neccessary... sounds good. >> Would it be possible for the services not to extend DynamicMBean but >> instead a wrapper be used ? > >Sure thing. But why? The less dependencies the better. One of my long-term goals is to get Phoenix running on consoles like Playstation2 - thats a while off yet ;) But I would prefer to keep everything as lightweight as possible - and if it doesn't *need* to be a dependency then ... ;) Cheers, Pete *-----------------------------------------------------* | "Faced with the choice between changing one's mind, | | and proving that there is no need to do so - almost | | everyone gets busy on the proof." | | - John Kenneth Galbraith | *-----------------------------------------------------* --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
