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https://issues.apache.org/jira/browse/SCXML-259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ate Douma closed SCXML-259.
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Resolution: Fixed
> Complete implementation and handling of system variables _event and
> _ioprocessors
> ---------------------------------------------------------------------------------
>
> Key: SCXML-259
> URL: https://issues.apache.org/jira/browse/SCXML-259
> Project: Commons SCXML
> Issue Type: New Feature
> Reporter: Ate Douma
> Assignee: Ate Douma
> Fix For: 2.0
>
>
> The SCXML [System
> Variables|https://www.w3.org/TR/2015/REC-scxml-20150901/#SystemVariables]
> _event was only minimally implemented so far.
> The _event.sendid, _event.origin, _event.origintype, _event.invokeid all need
> to be set and handled accordingly to the external communication requirements,
> including their proper error handling and feedback/return values from an
> invoked process.
> The SCXML [Event I/O
> Processors|https://www.w3.org/TR/2015/REC-scxml-20150901/#eventioprocessors]
> implementation and handling was also not complete yet.
> Besides completing the handling of the #_internal, #_parent and #_invokeid
> processors, also the 'location' field for the standard CXMLEventProcessor
> needs to be made available.
> To support the extended _event variable handling a new EventBuilder class
> will be introduced, which can/should be used to build a TriggerEvent instead
> of instantiating these directly.
> Furthermore to align with the specification naming, the TriggerEvent#payload
> field and getter method will be renamed to #data (getData()).
> Finally, this also requires better, and fixed, handling of the management and
> communication (bi-directionally) with the Invoker and the statemachine
> invoked.
> As result the AsyncTrigger class no longer is (nor can be) used and will be
> dropped.
> Alltogether this will fix another 12+ W3C SCXML IRP tests!
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