59 lines
966 B
Python
59 lines
966 B
Python
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from abc import ABCMeta
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from abc import abstractmethod
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class Comparator:
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__metaclass__ = ABCMeta
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@abstractmethod
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def compare(self, a, b):
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pass
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@abstractmethod
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def name(self):
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pass
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class AssociativeMergeOperator:
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__metaclass__ = ABCMeta
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@abstractmethod
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def merge(self, key, existing_value, value):
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pass
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@abstractmethod
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def name(self):
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pass
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class MergeOperator:
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__metaclass__ = ABCMeta
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@abstractmethod
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def full_merge(self, key, existing_value, operand_list):
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pass
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@abstractmethod
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def partial_merge(self, key, left_operand, right_operand):
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pass
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@abstractmethod
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def name(self):
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pass
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class FilterPolicy:
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__metaclass__ = ABCMeta
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@abstractmethod
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def name(self):
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pass
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@abstractmethod
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def create_filter(self, keys):
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pass
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@abstractmethod
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def key_may_match(self, key, filter_):
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pass
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