CIM14/CPSM/Equipment/Core/Unit.py

   1 # Copyright (C) 2010-2011 Richard Lincoln
   2 #
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to
   5 # deal in the Software without restriction, including without limitation the
   6 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   7 # sell copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9 #
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12 #
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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  18 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  19 # IN THE SOFTWARE.
  20
  21 from CIM14.CPSM.Equipment.Core.IdentifiedObject import IdentifiedObject
  22
  23 class Unit(IdentifiedObject):
  24     """Quantity being measured. The Unit.name shall be unique among all specified quantities and describe the quantity. The Unit.aliasName is meant to be used for localization.-  The Unit class is used to define the unit of measure (MW, kV, MVA, etc.) of a Measurement.  A Measurement must be associated with one and only one Unit.  The valid values for Unit.name are defined in Normative String Tables.
  25     """
  26
  27     def __init__(self, Measurements=None, *args, **kw_args):
  28         """Initialises a new 'Unit' instance.
  29
  30         @param Measurements: The Measurements having the Unit
  31         """
  32         self._Measurements = []
  33         self.Measurements = [] if Measurements is None else Measurements
  34
  35         super(Unit, self).__init__(*args, **kw_args)
  36
  37     _attrs = []
  38     _attr_types = {}
  39     _defaults = {}
  40     _enums = {}
  41     _refs = ["Measurements"]
  42     _many_refs = ["Measurements"]
  43
  44     def getMeasurements(self):
  45         """The Measurements having the Unit
  46         """
  47         return self._Measurements
  48
  49     def setMeasurements(self, value):
  50         for x in self._Measurements:
  51             x.Unit = None
  52         for y in value:
  53             y._Unit = self
  54         self._Measurements = value
  55
  56     Measurements = property(getMeasurements, setMeasurements)
  57
  58     def addMeasurements(self, *Measurements):
  59         for obj in Measurements:
  60             obj.Unit = self
  61
  62     def removeMeasurements(self, *Measurements):
  63         for obj in Measurements:
  64             obj.Unit = None
  65