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# Copyright (c) 2018 Cisco and/or its affiliates.
# 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.
import math
from ClassifiedBitCountingMetadata import ClassifiedBitCountingMetadata
class ClassifiedMetadataFactory(object):
"""Class for factory which adds classification to bit counting metadata."""
@staticmethod
def with_classification(metadata, classification):
"""Return new metadata object with added classification.
TODO: Is there a way to add classification to any metadata,
without messing up constructors and __repr__()?
FIXME: Factories take raw resources. Find a name for the thing
which takes semi-finished products. Transformer?
:param metadata: Existing metadata without classification.
:param classification: Arbitrary object classifying this group.
:type metadata: BitCountingMetadata
:type classification: object
:returns: The metadata with added classification.
:rtype: ClassifiedBitCountingMetadata
"""
return ClassifiedBitCountingMetadata(
max_value=metadata.max_value, size=metadata.size, avg=metadata.avg,
stdev=metadata.stdev, prev_avg=metadata.prev_avg,
classification=classification)
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