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Editorial Team
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Asked: 2026-06-10T21:19:05+00:00

I am looking to implement a state machine in one of my models, and

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I am looking to implement a state machine in one of my models, and I have been considering the state_machine gem which seems popular and appears to have a nice, simple API.

Anyways, it seems like there is no concept of persisting the state of the model, since the documentation does not illustrate any way to map the state to a DB property using ActiveRecord or any other supported ORM. I would expect to load an object from the DB, check its state if desired, and based on its state allow certain events/transitions to take place.

  • Am I completely missing something here or is there no way to persist the current state?
  • If not, how can a transient state useful for any persisted model whose state changes over long periods of time?
  • Should I be used a different plugin, something more suited for workflows?
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1 Answer

  1. Editorial Team

    As far as the documentation goes, the state machine library works with any attribute, either one that’s created with attr_accessor, an @-instance variable, or a database column. It does seem to be your responsibility to call save on the record if any changes have been made, though.

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