Feature: Observable hyperparameter repositories (including the OnDisk repo) to refresh UI

[guillaume-chevalier]

Is your feature request related to a problem? Please describe.
The repos should be able to notify some observers of themselves. Some repos may run on different machines and processes, at the same time, yet must be synchronized.

Describe the solution you'd like
A subscribe and notify for trials when they are updated.

Describe alternatives you've considered
CPU Sockets or Web Sockets. It would be too complicated. Better have each repo handle themselves the way they want. The InMemory will be easy. The OnDisk will be hard.

Additional context
See also: Neuraxio/Neuraxle-TensorFlow#7

[vincent-antaki]

update: the in memory observer/subscriber exists since at least 0.5.6. The OnDisk is not.

[guillaume-chevalier]

update: things are more complicated than this in distributed environments, such as when using a database repo and remote dashboard. This might require deleting the observer class and using something more similar to an audit trail to track every change chronologically and be able to re-order them.

[guillaume-chevalier]

Todo: move file neuraxle/metaopt/observable.py to the repositories' file, and rename db_hp_repo.py to db_repo.py

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs in the next 180 days. Thank you for your contributions.