[jboss-jira] [JBoss JIRA] Updated: (GPD-190) Add policy methods like canStart() and canStop() to NodeElement interface

Fri Nov 23 09:57:18 EST 2007

     [ http://jira.jboss.com/jira/browse/GPD-190?page=all ]

Matthias Hanisch updated GPD-190:
---------------------------------

    Attachment: gpd-190.diff

Conceptual patch attached.
If you do not lake the "needsNamedTransitions", they can just be removed without further harm.

> Add policy methods like canStart() and canStop() to NodeElement interface
> -------------------------------------------------------------------------
>
>                 Key: GPD-190
>                 URL: http://jira.jboss.com/jira/browse/GPD-190
>             Project: JBoss jBPM GPD
>          Issue Type: Feature Request
>         Environment: Does not matter
>            Reporter: Matthias Hanisch
>         Assigned To: Koen Aers
>         Attachments: gpd-190.diff
>
>
> NodeGraphicalNodeEditPolicy.canStart() method consists of a sum of instanceof checks. Same for canStop().
> Especially if you want to create own special nodes, it would be easier if canStart(), canStop() would be implemented by NodeElement interface (there we have the idea of transactions, too).
> Another policy method which does not exist yet (I just have a use case for that) would be
> 	boolean needsNamedTransitions()
> to specify that a node wants all its leaving transactions to be named.

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