# 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 InvalidComposition(Exception):
"""Raised for compositions of samplers that are invalid"""
[docs]class MappingError(Exception):
"""Raised when mapping causes conflicting values in samples"""
[docs]class InvalidSampler(Exception):
"""Raised when trying to use the specified sampler as a sampler"""
[docs]class BinaryQuadraticModelValueError(ValueError):
"""Raised when a sampler cannot handle a specified binary quadratic model"""
[docs]class BinaryQuadraticModelSizeError(BinaryQuadraticModelValueError):
"""Raised when the binary quadratic model has too many variables"""
[docs]class BinaryQuadraticModelStructureError(BinaryQuadraticModelValueError):
"""Raised when the binary quadratic model does not fit the sampler"""
[docs]class WriteableError(ValueError):
"""Raised when trying to modify an immutable object."""