Spaces:
Running
Running
File size: 1,985 Bytes
76af1af | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | """Backend-neutral delayed-event ring contract."""
from __future__ import annotations
from dataclasses import dataclass
def ring_size_for_max_delay(max_delay: int) -> int:
if type(max_delay) is not int:
raise TypeError("max_delay must be int")
if max_delay < 1:
raise ValueError("max_delay must be >= 1")
return max_delay + 1
def ring_slot(tick: int, ring_size: int) -> int:
if type(tick) is not int or type(ring_size) is not int:
raise TypeError("tick and ring_size must be int")
if tick < 0:
raise ValueError("tick must be >= 0")
if ring_size < 2:
raise ValueError("ring_size must be >= 2")
return tick % ring_size
def delivery_tick(send_tick: int, delay: int) -> int:
if type(send_tick) is not int or type(delay) is not int:
raise TypeError("send_tick and delay must be int")
if send_tick < 0:
raise ValueError("send_tick must be >= 0")
if delay < 1:
raise ValueError("delay must be >= 1")
return send_tick + delay
@dataclass(frozen=True, slots=True)
class DelayEvent:
"""One immutable delayed emission."""
source_id: int
target_id: int
amplitude: float
delivery_tick: int
def __post_init__(self) -> None:
if self.source_id < 0 or self.target_id < 0:
raise ValueError("logical ids must be >= 0")
if self.delivery_tick < 0:
raise ValueError("delivery_tick must be >= 0")
@dataclass(frozen=True, slots=True)
class DelayQueueSnapshot:
"""Immutable backend-neutral ring snapshot."""
ring_size: int
cursor_tick: int
slots: tuple[tuple[DelayEvent, ...], ...]
def __post_init__(self) -> None:
if self.ring_size < 2:
raise ValueError("ring_size must be >= 2")
if self.cursor_tick < 0:
raise ValueError("cursor_tick must be >= 0")
if len(self.slots) != self.ring_size:
raise ValueError("slots length must equal ring_size")
|