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

[Wolfgang Laun]

The session object should still have methods getObjects() and
getFactHandles() returning a Collection of Object or FactHandle,
respectively.

The trailing part of a fact handle, i.e., [...:#<Message:0x1f957352>],
results from a call to the fact object's toString() method.

-W

On 05/12/2013, Ray Hooker <ray.hooker at gmail.com> wrote:
> 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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