Source code for braket.tasks.quantum_task

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# Licensed under the Apache License, Version 2.0 (the "License"). You
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import asyncio
from abc import ABC, abstractmethod
from typing import Any, Dict, Union

from braket.tasks.annealing_quantum_task_result import AnnealingQuantumTaskResult
from braket.tasks.gate_model_quantum_task_result import GateModelQuantumTaskResult


[docs]class QuantumTask(ABC): """An abstraction over a quantum task on a quantum device.""" DEFAULT_SHOTS = 1_000 @property @abstractmethod def id(self) -> str: """str: The task ID."""
[docs] @abstractmethod def cancel(self) -> None: """Cancel the quantum task."""
[docs] @abstractmethod def state(self) -> str: """str: State of the quantum task"""
[docs] @abstractmethod def result(self) -> Union[GateModelQuantumTaskResult, AnnealingQuantumTaskResult]: """ Union[GateModelQuantumTaskResult, AnnealingQuantumTaskResult]: Get the quantum task result. Call async_result if you want the result in an asynchronous way. """
[docs] @abstractmethod def async_result(self) -> asyncio.Task: """asyncio.Task: Get the quantum task result asynchronously."""
[docs] def metadata(self, use_cached_value: bool = False) -> Dict[str, Any]: """ Get task metadata. Args: use_cached_value (bool, optional): If True, uses the value retrieved from the previous request. Returns: Dict[str, Any]: The metadata regarding the task. If `use_cached_value` is True, then the value retrieved from the most recent request is used. """