//created on: Jun 4, 2014
package com.sample.rules

//list any import classes here.
import  com.sample.facts.SensorReading;
import java.util.ArrayList;

//declare any global variables here
global java.lang.StringBuilder alertMessage

// add declaration to change the Fact into an Event
declare SensorReading 
	@role(event)
end
 
/* Alert when average temperature is above 25 
   over a time period of 5 minutes */ 
rule "TemperatureAlarm1"

    when
        //conditions
        $averageTemp : Number(intValue > 25)    
        						from accumulate(SensorReading($temp : temperature) 
        							over window:time(5m) from entry-point "Temperature Reading", average($temp))
    then
        //actions
		System.out.println("Fired rule: " + kcontext.getRule().getName() + "!!");
        alertMessage.append("Threshold temperature breached!!"+
        					"\nTurn on the Air Conditioner"+
        					"\nAverage temperature over 5 minutes is above 25 (" + $averageTemp.intValue() + ")\n");
        
end