Re: code mobility

Thank you Gregg for the pointer about Reflection,I read about it ,
Can you give more details?...an example?
On the web I didn't find example about loading of remote classes( with
inheritance...)



On Wed, 20 Dec 2006 14:19:32 -0600, Gregg Wonderly <[email protected]>
wrote:

>Mark Zaini wrote:
>> I would use a classloader which can solve the hierarchy between two or
more
>> classes:
>> If the class A (local) extends the class B(this class could be
>> on a remote repository at the moment I'm doing my test with Apache)
>> I don't want ClassnotFoundException...
>> I would use the class A 's remote method without doing override but
>> solving the hierarchy.
>
>It's perfectly possible to do this, however Class A and its parent B,
must have
>a view of classloading hierarchy which allows the resolution of A to
cause B to
>be loaded.  This often means that a third class, C, has to be the one to
setup
>the classloading, and C must then load A through reflection (Class.forName
()),
>because otherwise, it's reference to A by name might force resolution at
the
>time C is loaded.
>
>You'll have to play with the design you intend to deploy, and see what
issues
>you encounter.  The moment of class resolution is a fuzzy line, and if
you end
>up on the wrong side of it, you'll get CNF exceptions that seem wrong, or
odd.
>
>Gregg Wonderly
>
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