Java. -W On 16 December 2010 16:43, Edson Tirelli <[email protected]> wrote:
> MVEL or Java? > > Edson > > 2010/12/16 Wolfgang Laun <[email protected]>: > > Using 5.1.1 and knowing that "a Return Value restriction is a > parenthesized > > expression composed from literals, any valid Java primitive or object, > > previously bound variables, function calls, and operators" I wrote > > > > OperatorOrder( $code: code, $id1: elId1, $id2: elId2 ) > > CommandCode( code == $code, operands != ( $id1!=null ? ($id2!=null ? 2 > : > > 1) : 0 ) ) > > > > and got the erroneous error message: > > Rule Compilation error : [Rule name='operator command: invalid number > of > > elements'] > > > > > appl/domain/element/Rule_operator_command__invalid_number_of_elements_0.java > > (9:714) : $id2 cannot be resolved > > > > Variations in the return value restriction show that it is the nesting of > > -?-:- which causes the bug; a similar (but not equivalent) expression > > > > operands != ( ($id1!=null ? 1:0) + ($id2!=null ? 1:0) ) > > > > is accepted. > > -W > > > > > > _______________________________________________ > > rules-users mailing list > > [email protected] > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > > > -- > Edson Tirelli > JBoss Drools Core Development > JBoss by Red Hat @ www.jboss.com > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users >
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