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From: Christopher Dragert <chris.dragert@mail.mcgill.ca>
To: Commons Users List <user@commons.apache.org>
Date: Fri, 30 Jul 2010 18:08:29 -0400
Subject: [scxml] Calling methods through scxml
Thread-Topic: [scxml] Calling methods through scxml
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Hello,

I'm trying to find an elegant way to call a method from an object using scx=
ml.  I start by placing my object ("foo") in the context, then starting exe=
cution.  My goal would be to have something like:

<onentry>
     <expr=3D"foo.bar()/>
</onentry>

but this does not work since expr is not a tag.  Instead, the best method I=
've found is to create a dummy variable in my data model and then fake assi=
gnments to it:

<datamodel>
     <data id=3D"scratch" />
</datamodel>

<state id=3D"hello" final=3D"true">    =20
     <onentry>
         <assign location=3D"scratch" expr=3D"foo.bar()/>
     </onentry>
</state>

While this works, it seems unneccesary and contrived.  Is there a more eleg=
ant way to do this?

Thanks,
Chris Dragert=

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