Re: [A4:Fortress/Merlin] Coming to grips with terminology

[Leo Simons]

Leo Sutic wrote:

Stephen McConnell wrote:

Take a look at the JavaDoc for Appliance at the following URL and let me know if it's understandable.

Stephen, that was not the right level.

Although I think Leo's analogy was a bit overkill,

just a bit, eh? I really did enjoy myself writing it tho' :D Hope I got the point across.

<snip>

I've tried many times and I *STILL* don't get the difference between
METAINFO and METADATA! Please, can we come up with some other names for them?

I know that one of them specifies information specific to the
component type, while the other is the component type information
*plus* deployment parameters such as configuration.

FWIW, different terms are in use in merlin atm, I believe

Type <------ MetaInfo
Profile <--- MetaData

TypeInfo == Type == MetaInfo: all information associated with a component that is defined during component development/definition time but not in the form of javacode. .xinfo, .xconf, .xlong, .xblaat. Basically .Net attributes at the class level.

RuntimeInfo == Profile == MetaData: all other information, usually provided as configuration files, but potentially fed in through JMX or another mechanism.

In a really dynamic system (I've been playing around :D), the difference does not really exist, except that TypeInfo is loaded somewhere soon after startup and RuntimeInfo at some point in time thereafter.

cheers,

- Leo



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