# Copyright 2018 D-Wave Systems Inc.
#
# 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.
[docs]class RunnableError(Exception):
"""Generic Runnable exception error that includes the error context, in
particular, the `State` that caused the runnable component to fail."""
def __init__(self, message, state):
super(RunnableError, self).__init__(message)
self.state = state
[docs]class InvalidStateError(Exception):
"""General state error."""
[docs]class StateTraitMissingError(InvalidStateError):
"""State missing a trait."""
[docs]class StateDimensionalityError(InvalidStateError):
"""Single state expected instead of a state sequence, or vice versa."""
[docs]class EndOfStream(StopIteration):
"""Signals end of stream for streaming runnables."""