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From Rahul Akolkar <rahul.akol...@gmail.com>
Subject Re: [scxml] update datamodel
Date Sat, 04 Sep 2010 17:08:49 GMT
On Sat, Sep 4, 2010 at 12:40 PM, Azraiyl <azraiyl@gmail.com> wrote:
> Hello,
>
> I've a simple state machine
>
> <?xml version="1.0" encoding="UTF-8"?>
> <scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0"
> name="Fan2" initial="Off" exmode="strict">
>        <datamodel>
>                <data id="T" expr="10"/>
>        </datamodel>
>        <state id="Off">
>                <onentry>
>                        <log expr="'OnEntry Off'"/>
>                </onentry>
>                <transition cond="T &gt; 30" target="On"/>
>                <onexit>
>                        <log expr="'OnExit Off'"/>
>                </onexit>
>        </state>
>        <state id="On">
>                <onentry>
>                        <log expr="'OnEntry On'"/>
>                </onentry>
>                <transition cond="T &lt; 20" target="Off"/>
>                <onexit>
>                        <log expr="'OnExit On'"/>
>                </onexit>
>        </state>
> </scxml>
>
> and like to update T through Java. I tried this:
>
> fan2.getEngine().getRootContext().set("T", "40");
>
> but somehow the engine does not switch into the new state. Do I have
> to manually trigger the engine to reevaluate all expression or what
> I'am missing?
>
<snip/>

Yes (this looks like a duplicate post, more in previous reponse linked below):

  http://markmail.org/message/purvcoyinluuwubo

-Rahul


> Thanks in advance for any hint
>

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