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https://issues.apache.org/jira/browse/SCXML-226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ate Douma closed SCXML-226.
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Resolution: Fixed
> Support of special send targets #_parent, #_invokeid and #_scxml_sessionid
> --------------------------------------------------------------------------
>
> Key: SCXML-226
> URL: https://issues.apache.org/jira/browse/SCXML-226
> Project: Commons SCXML
> Issue Type: Bug
> Affects Versions: 0.5, 0.6, 0.7, 0.8, 0.9
> Reporter: Michael Goerlich
> Assignee: Ate Douma
> Fix For: 2.0
>
> Attachments: fix_invoke_special_targets
>
>
> Currently it is not possible to use #_parent and #_invokeid to allow
> communication between two scxml instances where one invoked the other.
> Due to the last changes the _ioprocessors variable was introduced. If the
> target of a <send> may reference to an entry in the _ioprocessors map, then
> it should be possible to forward events directly to the registered
> SCXMLIOProcessor instance.
> Given this the invoker must supply a SCXMLIOProcessor for the parent to
> register within the its SCXMLExecutionContext map as #_invokeId and the
> invoker must register the parent SCXMLIOProcessor as #_parent within the
> execution context of the SCXMLExecutor. As well as this the EventDispatcher
> must take the SCXMLIOProcessor registered for the target from _ioprocessors.
> Based on my assumptions I tried to implement this and uploaded the patch to:
> http://pastebin.com/t855Ugs1 . Hope it helps.
> ------
> Update (Ate): besides the above improvements, support for #_scxml_sessionid
> now also has been added, allowing to send events to the own SCXML session
> through the external SCXMLIOProcessor.
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