# Copyright (C) 2010-2011 Richard Lincoln
#
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# of this software and associated documentation files (the "Software"), to
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# furnished to do so, subject to the following conditions:
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from CIM15.IEC61970.Core.IdentifiedObject import IdentifiedObject

class ContingencyElement(IdentifiedObject):
    """An element of a system event to be studied by contingency analysis, representing a change in status of a single piece of equipment.An element of a system event to be studied by contingency analysis, representing a change in status of a single piece of equipment.
    """

    def __init__(self, Contingency=None, *args, **kw_args):
        """Initialises a new 'ContingencyElement' instance.

        @param Contingency: A contingency element belongs to one contingency.
        """
        self._Contingency = None
        self.Contingency = Contingency

        super(ContingencyElement, self).__init__(*args, **kw_args)

    _attrs = []
    _attr_types = {}
    _defaults = {}
    _enums = {}
    _refs = ["Contingency"]
    _many_refs = []

    def getContingency(self):
        """A contingency element belongs to one contingency.
        """
        return self._Contingency

    def setContingency(self, value):
        if self._Contingency is not None:
            filtered = [x for x in self.Contingency.ContingencyElement if x != self]
            self._Contingency._ContingencyElement = filtered

        self._Contingency = value
        if self._Contingency is not None:
            if self not in self._Contingency._ContingencyElement:
                self._Contingency._ContingencyElement.append(self)

    Contingency = property(getContingency, setContingency)

