63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
from typing import Callable, Optional
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class TrackedActor:
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"""Actor tracked by an actor manager.
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This object is used to reference a Ray actor on an actor manager
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Existence of this object does not mean that the Ray actor has already been started.
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Actor state can be inquired from the actor manager tracking the Ray actor.
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Note:
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Objects of this class are returned by the :class:`RayActorManager`.
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This class should not be instantiated manually.
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Attributes:
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actor_id: ID for identification of the actor within the actor manager. This
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ID is not related to the Ray actor ID.
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"""
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def __init__(
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self,
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actor_id: int,
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on_start: Optional[Callable[["TrackedActor"], None]] = None,
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on_stop: Optional[Callable[["TrackedActor"], None]] = None,
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on_error: Optional[Callable[["TrackedActor", Exception], None]] = None,
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):
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"""Initialize the tracked actor.
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Args:
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actor_id: ID for identification of the actor within the actor manager.
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on_start: Callback to invoke when the actor started.
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on_stop: Callback to invoke when the actor stopped.
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on_error: Callback to invoke when the actor failed.
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"""
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self.actor_id = actor_id
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self._on_start = on_start
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self._on_stop = on_stop
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self._on_error = on_error
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def set_on_start(self, on_start: Optional[Callable[["TrackedActor"], None]]):
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self._on_start = on_start
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def set_on_stop(self, on_stop: Optional[Callable[["TrackedActor"], None]]):
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self._on_stop = on_stop
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def set_on_error(
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self, on_error: Optional[Callable[["TrackedActor", Exception], None]]
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):
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self._on_error = on_error
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def __repr__(self):
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return f"<TrackedActor {self.actor_id}>"
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def __eq__(self, other):
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if not isinstance(other, self.__class__):
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return False
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return self.actor_id == other.actor_id
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def __hash__(self):
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return hash(self.actor_id)
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