Nick,
I see. In any case, Drools will not allow you to do that without
recompiling the knowledge base, but, why don't you simply make your
"MyFunctions" class be a delegate to your actual functions? So, whenever you
reload your fuctions, all you need to do is rewire things inside your
MyFunctions class... isolated and clean... no need to have things rewired in
Drools side... sounds much lighter than any other approach, even if it was
possible to do the rewire in Drools, it would certainly be heavier...
Just an idea...
Edson
2009/10/14 Nicholas Hemley <nic.hemley(a)sidonis.com>
Edson,
Actually, I only use custom action classes in the RHS (see below)
e.g.
rule TEARDOWN_3004865719
when
child0:MyClass (
state1 == 0,
state2 == 0
)
then
MyFunctions.performOperation( "TEARDOWN
_3004865719",
"message",
child0,
true );
end
The classes referenced in the LHS will always stay the same.
So if we want to re-load the class MyFunctions (since these custom actions
may be updated), then I currently have to re-create the
StatefulKnowledgeSession from a new KnowledgeBase, etc. so that the
findClass() method is called on MyClassLoader.
Cheerio,
Nic
*Nicholas Hemley*
*Senior Developer*
*Sidonis | Powering a New Generation of Service Assurance*
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Edson Tirelli
JBoss Drools Core Development
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