# Copyright (C) 2010-2011 Richard Lincoln
#
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# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
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#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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from CIM14.ENTSOE.StateVariables.Element import Element

class TapChanger(Element):
    """Mechanism for changing transformer winding tap positions.
    """

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

        @param SvTapStep: The tap step state associated with the tap changer.
        """
        self._SvTapStep = None
        self.SvTapStep = SvTapStep

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

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

    def getSvTapStep(self):
        """The tap step state associated with the tap changer.
        """
        return self._SvTapStep

    def setSvTapStep(self, value):
        if self._SvTapStep is not None:
            self._SvTapStep._TapChanger = None

        self._SvTapStep = value
        if self._SvTapStep is not None:
            self._SvTapStep.TapChanger = None
            self._SvTapStep._TapChanger = self

    SvTapStep = property(getSvTapStep, setSvTapStep)

