Hello everybody Do you know any open source application whic kotlinlang #announcements

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Sam

09/12/2019, 7:33 AM

Hello everybody , Do you know any open source application which implement this concept

finite state machine

? I found some libraries implemented this concept but need more information to implementing this .

<https://github.com/Tinder/StateMachine>

<https://github.com/open-jumpco/kfsm>

Jacques Smuts

09/12/2019, 7:36 AM

@corneil developed that second one and might be able to provide you with some advice.

Sam

09/12/2019, 7:37 AM

yup, I want to implement this in my application. Example: Bookmark feature :)))

Jacques Smuts

09/12/2019, 7:37 AM

He gave a presentation on it recently but I don’t believe it’s been recorded or made public, otherwise I’d link to that. 🤔

Sam

09/12/2019, 7:47 AM

Thanks @Jacques Smuts. Its really news to me… Need more example to understand this concept

corneil

09/12/2019, 8:01 AM

I hope I can help. What kind of application are you building? Do you have a state model in mind?

Sam

09/12/2019, 8:04 AM

@corneil: You mean this

state model

? I’ve read this https://www.ibm.com/support/knowledgecenter/SSSH5A_8.0.0/com.ibm.rational.clearquest.schema.ec.doc/topics/c_ovw_state_models.htm

@corneil: I’m looking for a open source or example to using the FSM….

corneil

09/12/2019, 8:08 AM

My project has a few examples. https://open.jumpco.io/projects/kfsm/index.html#tutorial

My own use cases aren't in projects where I can share the code. I'll be glad to help you build a model.

👏 1

One of the key differences in implementations is the separation of state, events and actions. Some models combine them. KFSM supports a model that allows for defining which actions are taken when an event is received when in a specific state.

KFSM also provides for default actions and for entry and exit actions.

The statemachine operates by applying actions to a Context class.

Sam

09/12/2019, 9:25 AM

@corneil: Thanks. I will build some example base on your library, Hope it correctly your idea and FSM :))) …

corneil

09/12/2019, 9:39 AM

If you send me a diagram I can help you with that

I plan to release 1.0 soon.

christiangruber

09/21/2019, 9:16 AM

I should probably mention github.com/square/workflow, which is effectively a finite state machine building library. It's mostly used for UI workflows at Square, but there are folks who use it for different purposes, as the core is quite general.

Sam

09/21/2019, 9:26 AM

coolllllll , its importance for future

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