[jboss-jira] [JBoss JIRA] Resolved: (JBRULES-850) Cannot bind variable to unconstrained field

[Michael Neale (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-850?page=all ]

Michael Neale resolved JBRULES-850.
-----------------------------------

    Fix Version/s:  4.0.0.MR3
       Resolution: Done

Done like a dinner, was a good idea, very easy to do actually.

> Cannot bind variable to unconstrained field
> -------------------------------------------
>
>                 Key: JBRULES-850
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-850
>             Project: JBoss Rules
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: drools-brms
>            Reporter: Michael Anstis
>         Assigned To: Michael Neale
>             Fix For:  4.0.0.MR3
>
>
> Sometimes it is necessary to bind variables to fields in the LHS without  constraining them. The binding then being used elsewhere perhaps in the RHS within an expression. The BRMS does not allow for this - fields must be constrained. Perhaps simply adding an extra option in the operator drop-down ("is equal to", "is not equal to") for "any" is the quickest workaround?
> Requirement
> rule "rule"
> when
> ObjectA( $v : value )
> then
> System.out.println($v * 1.5 + 100);
> end
> Generated DRL
> rule "rule"
> when
> ObjectA( $v : value null null )
> then
> System.out.println($v * 1.5 + 100);
> end

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