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From Artem Vovk <vovk.ar...@googlemail.com>
Subject Re: [scxml] Trigger "complicated" events
Date Sat, 21 May 2011 23:04:55 GMT
Thanks, that's exactly what I want. No encoding problems between mac users :)


On May 22, 2011, at 12:54 AM, Rahul Akolkar wrote:

> On Sat, May 21, 2011 at 6:48 PM, Rahul Akolkar <rahul.akolkar@gmail.com> wrote:
>> On Sat, May 21, 2011 at 4:41 PM, Artem Vovk <vovk.artem@googlemail.com> wrote:
>>> Hi,
>>> 
>>>        In the document about Authoring Applications for the Multimodal Architecture(http://www.w3.org/TR/mmi-auth/),
I have noticed an interesting <transition> tag :
>>> 
>>>        <!-- handle GUI input -->
>>>    <transition event="mmi:extension" cond="_event.data..@source.toString()
== 'GUI' &&
>>>         _event.data..@status.toString() == 'success'" target="echoColor"/>
>>>       <!-- save color to data model -->
>>>       <assign location="_data.color" expr="_event.data..color.toString()"/>
>>>    </transition>
>>> 
>>> It looks that a data was send with the event and one can access this data with
_event.data...  . How can I send such events from commons scxml to scxml document?(with method
fireEvent(String event) I can fire only the event name, without data)
>>> 
>> <snip/>
>> 
>> When you instantiate the TriggerEvent, use the three argument
>> constructor to add event payload:
>> 
>>  http://commons.apache.org/scxml/0.9/apidocs/org/apache/commons/scxml/TriggerEvent.html#TriggerEvent(java.lang.String,
>> int, java.lang.Object)
>> 
> <snip/>
> 
> Encoding above to increase chances of a good hyperlink in mail readers:
> 
>  http://commons.apache.org/scxml/0.9/apidocs/org/apache/commons/scxml/TriggerEvent.html#TriggerEvent(java.lang.String%2C%20int%2C%20java.lang.Object)
> 
> -Rahul
> 
> 
>> Then, you may refer to the payload Object as _eventdata (in v0.9, in
>> next release it will change to _event.data as the spec now requires).
>> 
>> Here is an example from the test suite that uses event payload to
>> determine transitions to follow; so you can look up syntax (see parent
>> directory for more samples, syntax depends on EL in use):
>> 
>>  http://svn.apache.org/repos/asf/commons/proper/scxml/trunk/src/test/java/org/apache/commons/scxml/env/jexl/eventdata-02.xml
>> 
>> -Rahul
>> 
>> 
>>> Cheers,
>>> Artem
>> 
> 
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