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firestar5683
27 lines
703 B
Python
27 lines
703 B
Python
import threading
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from typing import TYPE_CHECKING, Optional, TypeVar
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from .. import abc
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if TYPE_CHECKING:
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from .subject import Subject
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_T = TypeVar("_T")
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class InnerSubscription(abc.DisposableBase):
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def __init__(
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self, subject: "Subject[_T]", observer: Optional[abc.ObserverBase[_T]] = None
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):
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self.subject = subject
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self.observer = observer
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self.lock = threading.RLock()
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def dispose(self) -> None:
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with self.lock:
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if not self.subject.is_disposed and self.observer:
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if self.observer in self.subject.observers:
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self.subject.observers.remove(self.observer)
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self.observer = None
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