[rules-users] What Class is the Fact that was inserted? - How to dump working memory?

[Ray Hooker]

I am trying to determine precisely what class the rules engine (kie version
6) thinks the class is that was inserted.  The situation is that I am
inserting objects from JRuby.  

1.  If I pass the object to a Java program and do reflection, the class is
shown to be RubyObject (i.e., "getClass().getName".
2.   I did create a rule that fires on any RubyObject that is inserted but
it never fires:
import org.jruby.RubyObject;
rule "Find any RubyObject"
	dialect "mvel"
	when
		RubyObject()
	then
		System.out.println("We found a RubyObject!");
end

3.  When I insert an object from JRuby that is called "Message", there is
what I see:
[ObjectInsertedEventImpl: getFactHandle()=[fact
0:1:529888082:529888082:1:DEFAULT:NON_TRAIT:#<Message:0x1f957352>],
getObject()=#<Message:0x1f957352>,
getKnowledgeRuntime()=org.drools.core.impl.StatefulKnowledgeSessionImpl at 5719510f,
getPropagationContext()=PhreakPropagationContext
[entryPoint=EntryPoint::DEFAULT, factHandle=[fact
0:1:529888082:529888082:1:DEFAULT:NON_TRAIT:#<Message:0x1f957352>],
leftTuple=null, originOffset=-1, propagationNumber=2, rule=null, type=0]]

How can find out exactly what are the facts in working memory and determine
the precise nature of the fact I inserted?

Ray Hooker



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