Re: [Boost-users] How do you handle state-independent events efficiently in MSM?

Subject: Re: [Boost-users] How do you handle state-independent events efficiently in MSM?
From: Peter Gissel (pgissel_at_[hidden])
Date: 2011-08-31 11:57:04

>> we will move to plan B. Define a second region in your fsm, with only one
dummy state, then add for every event you want to process independently of
your "regular" states a transition in the fsm from this dummy state to
itself (or give this state an internal transition table).

>> As every region gets a chance to process any event, you will get the same
effect and the reduced compilation time.

 

Thanks, this is exactly what I was looking for! I implemented this and it
works perfectly, and it cut down my transition table significantly!

 

The next question applies to another smaller subset of events I need to deal
with. These can also happen regardless of what state the machine is in, but
transition the machine to a one my "regular" states.  I can use a similar
approach with these, but obviously I need an additional method to put the
machine back to the dummy state in addition to the "regular" state the
incoming event transitions the machine to. How would I implement this, or
something that accomplishes something similar?

 

 

Thanks!

Pete