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From "Ales Dolecek (JIRA)" <>
Subject [jira] Created: (SCXML-111) EventDispatcher interface should be independent from SCXMLExecutor
Date Wed, 15 Jul 2009 11:49:14 GMT
EventDispatcher interface should be independent from SCXMLExecutor

                 Key: SCXML-111
             Project: Commons SCXML
          Issue Type: Improvement
            Reporter: Ales Dolecek
            Priority: Minor

The SCXML requires that implemantations throw "send.failed.typenotsupported.stateid.sendid"
if event "type" is not supported. The EventDispatcher interface however does not provide any
means to figure out which SCXMLExecutor invoked the send (or cancel) method nor upon which
Send object. This means that current EventDispatcher implementations must hold reference to
SCXMLExecutor which prevents them from use with multiple instances (or handle all possible

Passing SCXMLExecutor reference is not good solution since the EventDispatcher could interfere
with current processin (eg. via chage to executor's context). Maybe the send method shoud
return result indicating if the send invocation was "successfull". The cancel method might
do likewise.

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