source: geniuswebcore/geniusweb/issuevalue/DiscreteValueSet.py@ 100

from copy import copy
from decimal import Decimal
from typing import List, Collection

from geniusweb.issuevalue.DiscreteValue import DiscreteValue
from geniusweb.issuevalue.Value import Value
from geniusweb.issuevalue.ValueSet import ValueSet


class DiscreteValueSet (ValueSet):

        def __init__(self, values: Collection[DiscreteValue]) :
                self._values:List[DiscreteValue]=[]
                for val in values:
                        if val not in self._values:
                                self._values.append(val)

        def getValues(self) -> List[DiscreteValue]:
                return list(self._values)

        def contains(self, value:Value ) ->bool:
                return value in self._values

        def get(self,index:int) -> DiscreteValue :
                return self._values[int(index)]

        def size(self) -> int :
                return len(self._values)

        def __repr__(self):
                # workaround, str(list) seems to call __repro__ isntead of _-str__....
                return "DiscreteValueSet" + repr(self._values)

        def __eq__(self, other):
                return isinstance(other, self.__class__) and set(self._values)==set(other._values)

        def __hash__(self):
                # don't use tuple because order is irrelevant.
                return sum([hash(val) for val in self._values])