[jboss-jira] [JBoss JIRA] Commented: (JBPM-72) required variable declaration

[Ronald van Kuijk (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBPM-72?page=comments#action_12367825 ] 
            
Ronald van Kuijk commented on JBPM-72:
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1: <variable name="bla" type="string" />

would only have runtime checking , as would 

2: <variable name="bla" type="string"  value="blaValue"/>

What we could do is something like

3: 
<variable name="bla">
  <string>a string</string>
</variable>

and have elements for all default supported  types. This can be checked design-time as long as there are corresponding XSD types. One other option is to extend the eclipse xml validator and make it aware of format #2 and check those... 3 would imo have the least impact

> required variable declaration
> -----------------------------
>
>                 Key: JBPM-72
>                 URL: http://jira.jboss.com/jira/browse/JBPM-72
>             Project: JBoss jBPM
>          Issue Type: Feature Request
>          Components: Core Engine
>            Reporter: Tom Baeyens
>         Assigned To: Tom Baeyens
>            Priority: Optional
>
> we could add support for a configuration that requires all variables to be declared (including the type) before they are used.  this creates a bit of 'type safety', although it is only checkable at runtime...
> this should be done on the level of the task.  maybe tasks should be able to extract data from the process and completion of the task should update the variables in the context.

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