[rules-users] BigDecimal comparison

[Vincent LEGENDRE]

Done a little test using 3 approachs (with new BigDecimal(-12.321)), all are working: 

rule "test big decimal 1"
when
	Pojo(bigDecimal < 0.0)
then
	System.out.println("test big decimal 1");
end

rule "test big decimal 2"
when
	Pojo(bigDecimal.doubleValue < 0.0)
then
	System.out.println("test big decimal 2");
end

rule "test big decimal 3"
when
	Pojo(bigDecimalValue < 0.0) // with 
then
	System.out.println("test big decimal 3");
end


with a wrapper method for the 3rd rule :

        public Double getBigDecimalValue() {
		if (bigDecimal == null) {
			return null;
		} else {
			return bigDecimal.doubleValue();
		}
	}


Your problem come from somewhere else (other conditions, wrong number in your object, missing import, too old version ...)


----- Mail original -----
De: "devan vanreenen" <devan.vanreenen at gmail.com>
À: rules-users at lists.jboss.org
Envoyé: Dimanche 10 Juin 2012 19:38:42
Objet: [rules-users] BigDecimal comparison

Hi there, 

Please assist.
I have an object MaxCap that has a single property capAmount of type
BigDecimal.
The BigDecimal is negative

when the rule is 

MaxCap( capAmount.doubleValue < 0.00 )  it doesnt fire, which I expect it
should but when the rule is

MaxCap( capAmount.doubleValue > 0.00 )  then the rules fires, so the rule
recognises my negative number as a positive one.

Any help would be appreciated.

Thanks
Devan

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