Coverage for src/braket/tasks/local_quantum_task.py : 100%

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1# Copyright 2019-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
2#
3# Licensed under the Apache License, Version 2.0 (the "License"). You
4# may not use this file except in compliance with the License. A copy of
5# the License is located at
6#
7# http://aws.amazon.com/apache2.0/
8#
9# or in the "license" file accompanying this file. This file is
10# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
11# ANY KIND, either express or implied. See the License for the specific
12# language governing permissions and limitations under the License.
14import asyncio
15from typing import Union
17from braket.tasks import AnnealingQuantumTaskResult, GateModelQuantumTaskResult, QuantumTask
20class LocalQuantumTask(QuantumTask):
21 """ A task containing the results of a local simulation.
23 Since this class is instantiated with the results, cancel() and run_async() are unsupported.
24 """
26 def __init__(self, result: Union[GateModelQuantumTaskResult, AnnealingQuantumTaskResult]):
27 self._id = result.task_metadata["Id"]
28 self._result = result
30 @property
31 def id(self) -> str:
32 return str(self._id)
34 def cancel(self) -> None:
35 raise NotImplementedError("Cannot cancel completed local task")
37 def state(self) -> str:
38 return "COMPLETED"
40 def result(self) -> Union[GateModelQuantumTaskResult, AnnealingQuantumTaskResult]:
41 return self._result
43 def async_result(self) -> asyncio.Task:
44 # TODO: Allow for asynchronous simulation
45 raise NotImplementedError("Asynchronous local simulation unsupported")
47 def __repr__(self) -> str:
48 return f"LocalQuantumTask('id':{self.id})"