[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1155) In Decision Table actions, cannot reference variables that were not referenced in LHS

[Thomas Hehl (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBRULES-1155?page=comments#action_12377098 ] 
            
Thomas Hehl commented on JBRULES-1155:
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So say you have a "variable" which is really a service, you could pass in "answerService". Then in the actions of the rules, you can do:

answerService.setAnswer(true); etc...
[ Show » ]
Michael Neale [15/Sep/07 01:09 AM] If you use Variables - you can set a type and a name, and then pass this into the working memory (stateful session) - the variables is then accessible on the RHS of a rule. So say you have a "variable" which is really a service, you could pass in "answerService". Then in the actions of the rules, you can do: answerService.setAnswer(true); etc...

Have you tested this? B/c this is how I got started down this road in the first place. I tried to do what you're suggesting and it didn't work unless the variable was defined on the LHS.

> In Decision Table actions, cannot reference variables that were not referenced in LHS
> -------------------------------------------------------------------------------------
>
>                 Key: JBRULES-1155
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1155
>             Project: JBoss Rules
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Decision tables
>    Affects Versions: 4.0.1
>         Environment: Windows
>            Reporter: Thomas Hehl
>         Assigned To: Mark Proctor
>            Priority: Minor
>             Fix For: 4.0.2
>
>
> If I use a decision table to build rules for my application, there doesn't appear to be a way to store an answer on a variable that wasn't referenced in the LHS of the rule. This is because the reference to the object that must be built can only be defined in the LHS.
> I would like to be able to directly reference these "catcher" objects from the action to store the result even if they were not needed as part of the LHS.

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