[rules-users] Using Enums in when clause

[Zevenbergen, Alex]

Thanking you - much appreciated

 

________________________________

From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Wolfgang Laun
Sent: 07 August 2009 06:48
To: Rules Users List
Subject: Re: [rules-users] Using Enums in when clause

 

In gameWinner == PARTICIPANTS.HOME.getId(), the second operand isn't an
enum, it's a method call on an enum object. Hence, it must be written as
a "Return Value Restriction" (cf. Expert doc on a Rule's LHS), thus
   ..., gameWinner == ( PARTICIPANTS.HOME.getId() ), ...

-W



2009/8/6 Zevenbergen, Alex <azevenbergen at paddypower.com>

Hi,

 

This is my where clause:

 

when

      resultInfo : TennisResultInfo(endGame == true , setNumber ==
5,gameWinner == PARTICIPANTS.HOME.getId() , gameLoseScore == 0)

then

 

 

the rule falls over on PARTICIPANTS.HOME.getId()

 

PARTICIPANTS.HOME.getId() is an enum and returns an integer.

 

If I replace this line with the value that it would return the rule runs
perfectly.

 

Do I have to reference this in a certain way because it is an integer?

 

(Note all imports are present and correct)

 

Thanks,

 

Alex


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