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https://issues.apache.org/jira/browse/SCXML-71?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593382#action_12593382
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Rahul Akolkar commented on SCXML-71:
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I think patching the documentation to mention this is a good start.
Two comments about this:
* The fact that all derived events are processed in one microstep by the
engine is subject to change. Pending some clarification from the WG, this may
change such that each derived event is processed in its own cycle (at the cost
of more cycles). If that happens in some subsequent major release, then the
need for using _eventdatamap will disappear altogether.
* I think we should avoid patches that specifically handle bits for any
expression language used. There are going to be idiosyncrasies associated with
the usage of each EL that users will have to be aware of and deal with
appropriately. We tend to use ELs as-is.
> Javascript expression evaluator cannot evaluate _eventdatamap['event.name']
> ---------------------------------------------------------------------------
>
> Key: SCXML-71
> URL: https://issues.apache.org/jira/browse/SCXML-71
> Project: Commons SCXML
> Issue Type: Bug
> Affects Versions: 0.7
> Environment: Java 6
> Reporter: Tony Seebregts
> Priority: Minor
>
> The _eventdatamap is implemented as a Java HashMap - and the Javascript
> engines (both JDK and JSR223) don't seem to be able to apply the [] operator
> to a Java Map object.
> An interim workaround when using the Javascript evaluator is to use
> _eventdatamap.get('event.name').
> For the longer term this anomalous behaviour can either just be documented or
> a patch that specifically handles _eventdatamap[] can be included in the eval
> functions
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