Did you tried:
Person( contact != null, contact.email == null )
?
Edson
2007/8/30, Tim.Nguyen@expeditors.com
<Tim.Nguyen@expeditors.com>:
Hi group,
Currently I have to use eval to access to lower lever of an attribute. For
example:
rule "test rule"
when
$person: Person ()
eval (($person.getContact() != null) &&
($person.getContact().getEmail() == null))
then
System.out.println ("Email address is missing")
end
Is there anyway not to use eval. I would like to do something like this:
$person: Person ($contact: contact != null, $contact.getEmail() ==
null)
but it throws errors
Thanks,
Tim
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