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from __future__ import annotations
from enum import Enum, auto
class RunState(Enum):
"""Used to track the running state of schedulers and workers."""
#: not running yet, but in the process of starting
starting = auto()
#: running
started = auto()
#: still running but in the process of shutting down
stopping = auto()
#: not running
stopped = auto()
class JobOutcome(Enum):
"""Used to indicate how the execution of a job ended."""
#: the job completed successfully
success = auto()
#: the job raised an exception
error = auto()
#: the job's execution was delayed enough for it to miss its designated run time by
#: too large a margin
missed_start_deadline = auto()
#: the job's execution was cancelled
cancelled = auto()
class ConflictPolicy(Enum):
"""
Used to indicate what to do when trying to add a schedule whose ID conflicts with an
existing schedule.
"""
#: replace the existing schedule with a new one
replace = auto()
#: keep the existing schedule as-is and drop the new schedule
do_nothing = auto()
#: raise an exception if a conflict is detected
exception = auto()
class CoalescePolicy(Enum):
"""
Used to indicate how to
"""
#: run once, with the earliest fire time
earliest = auto()
#: run once, with the latest fire time
latest = auto()
#: submit one job for every accumulated fire time
all = auto()
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