#created on: Dec 3, 2009
package com.sample

#list any import classes here.
# default dialect for the semantic code will be MVEL
dialect "mvel"


#declare any global variables here

declare DatarReading
    @role( event )
end

declare FollowUpReading
    @role( event )
end


/*
rule "readings"
	
	when
		$reading : DatarReading($val: value)

	then 
		System.err.println("reading value: " + $val);	
		
end

rule "follow up readings"

	when
		$fur: FollowUpReading($val: value)
	then 
		System.err.println("follow up reading value: " + $val);	
		
end
*/


rule "Your Second Rule"
	duration( 6s )
	when
	
		//$bo : BuyOrderEvent( $id : id ) 
    	//$ae : AckEvent( id == $id, this after[0,10s] $bo )
	
	
		$dr : DatarReading($val : value) from entry-point "readings stream"
    	not($fur: FollowUpReading(value == $val, this after[0s,2s] $dr ) from entry-point "readings stream")
	then 
		System.err.println("did not receive follow up - reading value: " + $val);	
		
end