35 lines
762 B
Python
35 lines
762 B
Python
from enum import Enum
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class Order(Enum):
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FromTo = 0
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ToFrom = 1
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Any = 2
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@staticmethod
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def new(order):
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if order is None:
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return Order.Any
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elif order == "to-from":
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return Order.ToFrom
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elif order == "from-to":
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return Order.FromTo
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else:
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raise NotImplementedError("What kind of ordering is: {}".format(order))
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def match(self, from_w, to_w):
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if self is Order.Any:
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return True
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fi = from_w.int_id
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ti = to_w.int_id
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if self is Order.FromTo:
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return fi < ti
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elif self is Order.ToFrom:
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return ti < fi
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else:
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raise NotImplementedError("Should not be here: Order match")
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