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From Gavin Lei <>
Subject [SCXML] Actionscript SCXML engine
Date Sun, 30 Jan 2011 03:51:16 GMT
Hi guys,

I am a doctor student from China. My name is Gavin Lei. I have much
Flex/Flash development experience, and you know that we usually use Flash
actionscript to develop some cartoon application, such as some thing move in
the screen. Recently, i noticed that SCXML may be a good solution for this
kind of application, it can control state and transation very well.

But sadly i can not get any good ActionScript based SCXML engine, and we
know we have a Java based SCXML engine under Apache Commons, so i want to
develop a similar actionscript based SCXML engine. I will finish this job
step by step:

step 1:
Finish basic element parse job for SCXML document, these elements includes:
SCXML,state,transition,parallel,initial,final,onentry,onexit and some other
relative basic element. I will implenent them in actionscript, parse them
into ActionScript object.

step 2:
Finish execute content elements parse job for SCXML document, parse Raise,
If, ElseIf, Else and Log into Actionscript object, and we should involve
Data Model elements parse job too, for example, we usually use datamodel
element as If elements' parameter

step 3:
Just like Commons SCXML engine, we should build TriggerEvent, Step, Status
and SCInstance and basic SCXMLExecutor here, package a basic SCXML executor
engine here.

After these jobs, i will put myself upon thinking about the most useful
CustomAction implemention in this ActionScript SCXML engine.

Any good advises? please let me know, thank you.

Best Regards
Gavin Lei (雷银)

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