[rules-users] Specifying Infinite Limits

[droolster]

Hello, 

I have the following code to do some interval checking: 

declare Classification 
        low : BigInteger 
        high : BigInteger 
        score : int 
end 

rule "classifications" 

        when 
        
        then 
                insert (new Classification(new BigInteger("-1000000000000"),
new BigInteger("1000000"), 1)); 
                insert (new Classification(new BigInteger("1000000"), new
BigInteger("5000000"), 2)); 
                insert (new Classification(new BigInteger("5000000"), new
BigInteger("25000000"), 3)); 
                insert (new Classification(new BigInteger("25000000"), new
BigInteger("25000000000000"), 4)); 
                
end 

rule "Foo" 

        when 
                $a: Classification( $low : getLow(), $high : getHigh() ) 
                $b: Data( bar > $low && bar < $high ) 
        then 
                System.out.println($a.getScore()); 
                
end 

It works fine but I was wondering if there is a more elegant way to specify
the lowest and highest interval limits. At the moment, as you can see, I
have set it to a very low number and a very high number in the context of my
problem (-1000000000000 and 250000000000000 respectively) . For my problem
specification, these limits should rarely be reached. Can anyone tell me a
robust way of specifying these lowest and highest limits without putting
arbitarily low and high numbers. 

Thanks in advance for your help. 

Regards.



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