Re: [SCXML] Assign with the wildcard "*"

[Mehdi KENNANI <me...@etu.upmc.fr>]

That works really fine.

Thx a lot Rahul

Mehdi


Quoting Rahul Akolkar <ra...@gmail.com>:

> On Fri, Jul 31, 2009 at 4:47 PM, Mehdi   
> KENNANI<me...@etu.upmc.fr> wrote:
>> Hi all
>>
>> I'm trying to use SCXML for a project (i have to realise an implementation
>> of the MMI w3C spec).
>>
>> In my example, I want to assign the name of the event at a var.
>>
>> Somethink like this :
>>
>> <state id="getCity">
>>     <transition event ="*" target="checkCity" name="evt">
>>       <assign location="${Data(city,'root/mycity')}" expr="${event}" />
>>     </transition>
>> </state>
>>
>> Somebody know how can i do this ? and is it possible to do this ?
>>
> <snip/>
>
> In the latest release (v0.9), a little bit of work is required to do
> such a thing. Add the event name (a bit redundantly) as a property of
> the event payload when you create the TriggerEvent. Say that property
> is called "name", then it can be accessed in the <assign> above with
> the following expr attribute:
>
>     expr="${_eventdata.name}"
>
> In subsequent (future) releases, this information will be available
> using the new "_event" variable specified in the latest SCXML Working
> Draft like so:
>
>     expr="${_event.name}"
>
> There will be no need to rely on the payload to transmit the name at  
>  that point.
>
> -Rahul
>
>
>>
>> Mehdi
>>
>>
>
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