[rules-users] Monitoring sensor parameter change

[rjr201]

If I understand your question right, you could create a class called
LastReading( SensorRead() ) and then your rules would look something like: 

rule 1 //check to see if the increase is > 2
when
   $last : LastReading( SensorRead($lastPower : power) )
   SensorRead( $lastPower - power > 2)
then
   System.out.println("Power increased more than 2")
end

rule2 //update which sensor read is the lastest reading
salience 100
when
   $last : LastReading( )
   $new : SensorRead()
then
   retract($last)
   insert(new LastReading($new))
end



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