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https://issues.apache.org/jira/browse/SCXML-99?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Woonsan Ko updated SCXML-99:
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Fix Version/s: (was: 0.10)
2.0
> support read-only system variables
> ----------------------------------
>
> Key: SCXML-99
> URL: https://issues.apache.org/jira/browse/SCXML-99
> Project: Commons SCXML
> Issue Type: Bug
> Affects Versions: 0.9
> Reporter: Ingmar Kliche
> Fix For: 2.0
>
>
> The SCXML WD [1] describes a set of system variables which are read-only for
> the application. See section 5.5 [2]: "The Data Module maintains a protected
> portion of the data model containing information that may be useful to
> applications...."
> It may necessary to abstract out the notion of a partitioned root context,
> just like we have a notion of ordinary context.
> The implementation should take into account, that some expression languages
> support read-only behaviors natively (such as ECMAScript through scope
> chains), whereas other expression languages (or there implementations resp.)
> don't.
> [1] http://www.w3.org/TR/2008/WD-scxml-20080516/
> [2] http://www.w3.org/TR/2008/WD-scxml-20080516/#SystemVariables
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