[rules-users] Fusion confusion

Chris Richmond crichmond at referentia.com
Fri Jul 22 07:47:43 EDT 2011


I have attached my program project with my main  FusionMain.java and two 
small classes and my rule file Sample.drl.

It's a zip file i have modified to be .piz for mail server reasons.

In the Main I set up and run as STREAM mode session and execute on a 
background thread .fireUntilHalt().

Then I inject two objects(DataReading and ConfigEvent)


The Sample.drl rule has the rules:


declare DataReading
     @role( event )
end

declare ConfigEvent
     @role( event )
end

rule "Detect high data reading"
when
     $dr: DataReading(reading > 10.0) from entry-point "My Stream"
then
     System.err.println("Data reading > 10");
end


rule "Wait for follup config"
lock-on-active
when
     $dr: DataReading(reading > 10.0) from entry-point "My Stream"
     not($de: ConfigEvent(this after[0s,10s] $dr))
then
     System.err.println("Action");
end


rule "Detect config event"
when
     $ce: ConfigEvent() from entry-point "My Stream"
then
     System.err.println("Config Event");
end


What I expect is that I would see the DataReading rule fire right 
away(it does)
then 5 seconds later when I insert the ConfigEvent I would see it's rule 
fire(it does)

But the "Wait for follup config" rule fires no matter what.

To me, that rule should wait and make sure no ConfigEvent object was 
inserted within 10 seconds after the DataReading object, but no matter 
what that rule fires after 10 seconds.  How can I make my inserted 
ConfigEvent(inserted within the 10 seconds) satisfy that condition so it 
cancels that rule from firing?  I am using the latest download from the 
site (5.2.0 final) binaries.

Does Fusion in fact work or am I doing something wrong?  The zip file 
has the entire runnable program and project(have to modify lib 
references to point to correct Drools 5.2 binaries).

If the zip file does not come through I will attach the files 
individually next.

Thanks,
Chris

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