Closed wizfromoz closed 5 years ago
That's not in the SCXML standard. Is it somehow related to #23?
constructor could accept the initial state as a parameter
That could become interesting with parallel (sub)states.
I wasn't aware of the
I was looking at using new_state
It has not been at the table before now.
With a persistant state machine, I guess the data model should be stored as well.
If the goal of your persistant state machine is to be able to re-instantiate a machine into the same state as it was before? This is not the same as the history state which is kind of 'return to the state that was active before', which would not need to be persisted other than in the current instance
Also as sstiler mentions, we should be careful about features that does not follow the standard.
Maybe this persistence could be implemented by making a class that inherits the state machine. Then you can overload the init method at set your initial state there - just a quick thought. I am on vacation rigtht now 😊
Thanks Jan, I like the idea about overloading init method. It will do for now, until you get around implementing
From: Jan Pedersen notifications@github.com Sent: Wednesday, 24 July 2019 5:58 PM To: jp-embedded/scxmlcc scxmlcc@noreply.github.com Cc: Durovic, Milan Milan.Durovic@aristocrat.com; Author author@noreply.github.com Subject: [EXTERNAL] Re: [jp-embedded/scxmlcc] New feature: setting the initial state when instantiating the state machine (#103)
Also as sstiler mentions, we should be careful about features that does not follow the standard.
Maybe this persistence could be implemented by making a class that inherits the state machine. Then you can overload the init method at set your initial state there - just a quick thought. I am on vacation rigtht now 😊
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Good to hear.
I am currently working on another issue with handling conflicting transitions in parallel states
But eventually, the history tag will be implemented.
I'm trying to implement a persistent state machine. One of the requirements is on powerup the state machine goes straight into the last saved state, without any on-entry actions being invoked. Looking into the implementation, I can't see how this can be done with scxmlcc generated state machine directly.
I can think of work-arounds, but it would greatly simplify things if the state machine constructor could accept the initial state as a parameter.