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Drools - Exercise Solutions - Revision history
2026-04-17T11:42:34Z
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Bernard Szlachta at 07:29, 23 August 2016
2016-08-23T07:29:00Z
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<p><b>New page</b></p><div>{{Cat|Drools|900}}<br />
[[Category:Private]]<br />
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== Advanced Part 2 ==<br />
<br />
Exercise 3 - Sorting<br />
<source lang="java"><br />
rule "Sample"<br />
when <br />
$e : Emp()<br />
not Emp(sal < $e.sal)<br />
then <br />
System.out.println($e.name + " " + $e.sal)<br />
retract($e)<br />
end<br />
</source><br />
<br />
== Exercise 30 ==<br />
*/<br />
declare MinSalaryByMgr<br />
mgr : Number<br />
minSal : Number<br />
end<br />
<br />
rule "Sample"<br />
when<br />
e1:Emp(mgr:mgr)<br />
not MinSalaryByMgr(e1.mgr == mgr)<br />
accumulate(e :Emp(mgr==e1.mgr),min:min(e.sal))<br />
then <br />
System.out.println(e1.mgr + "\t" + min )<br />
insert(new MinSalaryByMgr(e1.mgr,min))<br />
end</div>
Bernard Szlachta