Re: [Boost-users] [boost::statechart] some questions

From: Andreas Huber (ahd6974-spamboostorgtrap_at_[hidden])
Date: 2007-04-13 19:13:08

Jeffrey Holle wrote:
> Jeffrey Holle wrote:
>> Andreas Huber wrote:
>>>> 3.  What is a custom-reaction?
>>> Basically they allow you to do things for which the predefined
>>> reactions are too inflexible.
>>
>> Just what are the "predefined reactions"?
>>
>> I want to execute application specific code when a transition occurs.
>> Does this mean I must use "custom-reactions"?

No, see below.

> I can see that transaction template can have applications specific
> actions attached, but the documentation is limited

It would help if you could point out exactly how you feel that the docs 
are limited.

> and no examples are
> present in my present boost download.

Umm, how about ...

<http://www.boost-consulting.com/boost/libs/statechart/doc/tutorial.html#TransitionActions>

... (I've already posted this link in my first follow-up)? Both cases 
are shown, namely the case where the transition action is a member of an 
outer state and where it is a member of the state_machine subclass 
itself.

> The documentation says a transaction template can take 4 template
> parameters.  The last two are:
>   TransitionContext
>   pTransitionAction
>
> If someone could supply me with an example use of these parameters, I
> could probably write my code.  Note that in my case, the method I want
> to execute an transition is in my state class.

See above.

-- 
Andreas Huber
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