# -*- coding: utf-8 -*-

# Copyright 2021 ProjectQ-Framework (www.projectq.ch)

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

"""Exception classes for projectq.backends."""

class DeviceTooSmall(Exception):

"""Raised when a device does not have enough qubits for a desired job."""

class DeviceOfflineError(Exception):

"""Raised when a device is required but is currently offline."""

class DeviceNotHandledError(Exception):

"""Exception raised if a selected device cannot handle the circuit or is not supported by ProjectQ."""

class RequestTimeoutError(Exception):

"""Raised if a request to the job creation API times out."""

class JobSubmissionError(Exception):

"""Raised when the job creation API contains an error of some kind."""

class InvalidCommandError(Exception):

"""Raised if the backend encounters an invalid command."""

class MidCircuitMeasurementError(Exception):

"""Raised when a mid-circuit measurement is detected on a qubit."""