[jira] Updated: (SCXML-57) Parallel exits to soon.

["Dennis Cook (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SCXML-57?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dennis Cook updated SCXML-57:
-----------------------------

    Attachment: transitions-01.xml

state chart

> Parallel exits to soon.
> -----------------------
>
>                 Key: SCXML-57
>                 URL: https://issues.apache.org/jira/browse/SCXML-57
>             Project: Commons SCXML
>          Issue Type: Bug
>    Affects Versions: 0.6, 0.7
>         Environment: windows and linux 
>            Reporter: Dennis Cook
>         Attachments: transitions-01.xml, Transitions01Test.java
>
>
> I am not sure if this is a bug or the intended behaviour, but it seems that the any one of the states in the parallel reaches a final substate, then all of parallel states are exited.  I confirmed this by expanding on the existing test case that uses the transitions-01.xml state chart to mark one of the three substates with the final="true" attribute.  When this substate is reached all three of the parallel states are exited.
>  
> However when reading the working draft specification it states:
>  
> Parallel is a wrapper element that encapsulates a set of parallel states. The <parallel> element has <onentry> and <onexit> elements analogous to <state>. In addition, the <parallel> element holds a set of <state> elements that execute in parallel and join at the <onexit> handler of the <parallel> element. In particular, when all of the parallel substates reach final states, a completion event "ID.done" is generated, where "ID" is the "id" of the <parallel> element. Either the <parallel> element or one of its ancestors can trigger a transition off this event, at which time the <onexit> handler of the element will be executed.
>  
> This leads me to believe that all states of the parallel have to reach a final state before the tranistion out occurs.  
>  
> Feels like a bug to me.

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