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RE: [scxml] Support for Rhapsody/Statemate special "timeout" event

From: Jim Barnett <Jim.Barnett@alcatel-lucent.com>
Date: Sun, 24 Oct 2010 18:09:50 -0700
Message-ID: <E17CAD772E76C742B645BD4DC602CD810388C42F@NAHALD.us.int.genesyslab.com>
To: "Jacob Beard" <jbeard4@cs.mcgill.ca>, "www-voice" <www-voice@w3.org>
Yes, the SCXML working group thinks that it is possible to achieve the
correct semantics using <send> with the 'delay' attribute.

- Jim Barnett

-----Original Message-----
From: www-voice-request@w3.org [mailto:www-voice-request@w3.org] On
Behalf Of Jacob Beard
Sent: Sunday, October 24, 2010 7:36 PM
To: www-voice
Subject: [scxml] Support for Rhapsody/Statemate special "timeout" event

Hi,

>From reading the specification, it seems that the SCXML does not
natively support the special "timeout" event described in Harel's
paper "The Rhapsody Semantics of Statecharts"[0]. It seems to me that
it may be possible to achieve similar or identical semantics in SCXML
by using the send element and delay attribute. I was wondering if
anyone had fully explored this possibility, or whether the SCXML
working group had considered adding the timeout event to the SCXML
specification.

I'd appreciate any insight anyone could offer into this. Thanks,

Jacob Beard

[0] http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.3.6949


					
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Received on Monday, 25 October 2010 01:12:01 GMT

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