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---
tags:
- taskflow
references:
- https://docs.openstack.org/taskflow/latest/user/resumption.html
- https://opendev.org/openstack/taskflow/src/branch/master//taskflow/examples/resume_from_backend.py
---
[Example](https://opendev.org/openstack/taskflow/src/branch/master//taskflow/examples/resume_from_backend.py)
A flow can be resumed by reconstructing the links between atoms. This is done by a factory function that has to be importable. Instead of passing a flow to the run function, we need to pass the factorkkky function to the load-from-factory function which will call the factory to create the flow and passes it to the engine.
Atom names should be unique in a flow so that when resuming it the corresponding flow detail can be matched.
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