You can avoid the eval setting the size restriction inside the list:

List(size == $certifications.size) from collect...

Best,

El sep 19, 2010 12:29 p.m., "Wolfgang Laun" <wolfgang.laun@gmail.com> escribió:

The idea of the rule given below is to collect a List<AcquiredCertification> from a certain User that's contained in the Position object's list of requiredCertifications, and then to compare the sizes. Equality means that User meets all requirements.

rule "meets requirements"
dialect "mvel"
when
    Position( $certifications: requiredCertifications )
    User( $name: name, $profile: profile )
    $got: List() from collect (  AcquiredCertification( certification memberOf $certifications ) from $profile.userCertifications )
    eval($certifications.size == $got.size  )
then
    System.out.println( "Hire " + $name );
end

-W

On 19 September 2010 01:26, lnguyen <mzspdrcr@gmail.com> wrote:
>
>
> Hi,
>
> I'm trying to determ...

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