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I believe all your requests are in 4.0, give that a try. For 2.0.6
you'll have to unwrap<br>
> (bpl.doubleValue() * 1.5 )<br>
<br>
Mark<br>
Natraj Gudla wrote:
<blockquote
cite="mid:d55672f70707180128m78d56b3cy5bbd436ee4749eaa@mail.gmail.com"
type="cite">
<div>Hi All,</div>
<div> </div>
<div>I am using Drools 3.0.6 and unable to perform some simple form
of multiplication. I want to compare an object field with another field
multiplied by a factor.</div>
<div> </div>
<div><b><font color="#960000" size="2">
<p align="left">rule</p>
</font></b><font size="2"> </font><font color="#008000" size="2">"<strong>Calculate</strong>
Business profit,1"<br>
</font><font color="#960000" size="2"><strong>when<br>
<br>
</strong></font><font size="2"><strong>EMIAgainstProperty</strong> (
bp1 : businessProfit1 )<br>
emi : <strong>EMIAgainstProperty</strong> ( businessProfit2 > <strong>(bp1*1.5)</strong>
) </font><b><font color="#960000" size="2">then<br>
</font></b><font size="2">emi.setBusinessProfit((emi.getBusinessProfit1()+emi.getBusinessProfit2())/2);<strong><br>
</strong></font><b><font color="#960000" size="2">end</font></b>
<p align="left"><font color="#960000" size="2"><font color="#330000">I
get an error on creation of the package that * is undefined for Double
and double. I understand this is because Drools does an auto box on
primitive type variables. But is there a work around to do simpler
comparisons like this, especially on the right hand side of the
condition. some thing like [ variable * constantValue ]. </font></font></p>
<p align="left"><font color="#960000" size="2"><font color="#330000">Also,
i am forced to do a declaration for businessProfit1, and use in the
comparison below. I am not able to compare two fields of the same
object directly.
</font></font></p>
<p align="left"><font color="#960000" size="2"><font color="#330000">some
thing like businessProfit2 > businessProfit1 does not work, why is
this so? Any one has faced these problems earlier?</font></font></p>
<p align="left"><font color="#960000" size="2"><font color="#330000">Thanks<br>
</font></font><font color="#960000" size="2"><font color="#330000">Natraj
</font></font></p>
</div>
<pre wrap="">
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</pre>
</blockquote>
<br>
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