[rules-users] "==" not work for big int value

Mark Proctor mproctor at codehaus.org
Sun Nov 21 20:36:05 EST 2010


On 22/11/2010 01:03, Zeke wrote:
> Why int need be cast to BigInteger? 2147483647 is a valid int value. 
> In normal java program, if a is a int variable, and assign its value 
> to 2147483647, a == 2147483647 is true.
Try this on 5.1, see if it works there first.

Mark
>
> Thanks!
>
>
> 2010/11/19 Mark Proctor <mproctor at codehaus.org 
> <mailto:mproctor at codehaus.org>>
>
>     On 19/11/2010 01:34, Zeke wrote:
>>     Can anyone help me?
>>
>>     Thanks!
>>
>>
>>     On 16 November 2010 09:57, Zeke <xanadu860122 at gmail.com
>>     <mailto:xanadu860122 at gmail.com>> wrote:
>>
>>         Hi,
>>           I'm using Drools 4.0.7. I find "==" operator does not work
>>         for big int value (like 2147483647). The condition is like
>>         "sec.fir.i == 2147483647". I attach my test code. With my
>>         simple testing, it seems that it does not work for comparsion
>>         with int constant from 1000000001 to 2147483647. Is it a bug
>>         of drools? I have already tested long and BigInteger do not
>>         have this kind of problem.
>>
>     I suspect Drools 4.0.x did n't have big integer and big decimal
>     coercion.
>
>     Mark
>>
>>
>>         Thanks!
>>
>>
>>
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>
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