1 # Copyright (C) 2010 Richard Lincoln
3 # This library is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU Lesser General Public
5 # License as published by the Free Software Foundation; either
6 # version 2.1 of the License, or (at your option) any later version.
8 # This library is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # Lesser General Public License for more details.
13 # You should have received a copy of the GNU Lesser General Public
14 # License along with this library; if not, write to the Free Software
15 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA, USA
17 from CIM14
.IEC61970
.Meas
.MeasurementValue
import MeasurementValue
19 class IntervalReading(MeasurementValue
):
20 """Data captured at regular intervals of time. Interval data could be captured as incremental data, absolute data, or relative data. The source for the data is usually a tariff quantity or an engineering quantity. Data is typically captured in time-tagged, uniform, fixed-length intervals of 5 min, 10 min, 15 min, 30 min, or 60 min. Note: Interval Data is sometimes also called 'Interval Data Readings' (IDR).
23 def __init__(self
, value
=0.0, ReadingQualities
=None, IntervalBlocks
=None, *args
, **kw_args
):
24 """Initialises a new 'IntervalReading' instance.
26 @param value: Value of this interval reading.
27 @param ReadingQualities: Used only if quality of this interval reading value is different than 'Good'.
28 @param IntervalBlocks: All blocks containing this interval reading.
30 #: Value of this interval reading.
33 self
._ReadingQualities
= []
34 self
.ReadingQualities
= [] if ReadingQualities
is None else ReadingQualities
36 self
._IntervalBlocks
= []
37 self
.IntervalBlocks
= [] if IntervalBlocks
is None else IntervalBlocks
39 super(IntervalReading
, self
).__init
__(*args
, **kw_args
)
42 _attr_types
= {"value": float}
43 _defaults
= {"value": 0.0}
45 _refs
= ["ReadingQualities", "IntervalBlocks"]
46 _many_refs
= ["ReadingQualities", "IntervalBlocks"]
48 def getReadingQualities(self
):
49 """Used only if quality of this interval reading value is different than 'Good'.
51 return self
._ReadingQualities
53 def setReadingQualities(self
, value
):
54 for x
in self
._ReadingQualities
:
55 x
._IntervalReading
= None
57 y
._IntervalReading
= self
58 self
._ReadingQualities
= value
60 ReadingQualities
= property(getReadingQualities
, setReadingQualities
)
62 def addReadingQualities(self
, *ReadingQualities
):
63 for obj
in ReadingQualities
:
64 obj
._IntervalReading
= self
65 self
._ReadingQualities
.append(obj
)
67 def removeReadingQualities(self
, *ReadingQualities
):
68 for obj
in ReadingQualities
:
69 obj
._IntervalReading
= None
70 self
._ReadingQualities
.remove(obj
)
72 def getIntervalBlocks(self
):
73 """All blocks containing this interval reading.
75 return self
._IntervalBlocks
77 def setIntervalBlocks(self
, value
):
78 for p
in self
._IntervalBlocks
:
79 filtered
= [q
for q
in p
.IntervalReadings
if q
!= self
]
80 self
._IntervalBlocks
._IntervalReadings
= filtered
82 if self
not in r
._IntervalReadings
:
83 r
._IntervalReadings
.append(self
)
84 self
._IntervalBlocks
= value
86 IntervalBlocks
= property(getIntervalBlocks
, setIntervalBlocks
)
88 def addIntervalBlocks(self
, *IntervalBlocks
):
89 for obj
in IntervalBlocks
:
90 if self
not in obj
._IntervalReadings
:
91 obj
._IntervalReadings
.append(self
)
92 self
._IntervalBlocks
.append(obj
)
94 def removeIntervalBlocks(self
, *IntervalBlocks
):
95 for obj
in IntervalBlocks
:
96 if self
in obj
._IntervalReadings
:
97 obj
._IntervalReadings
.remove(self
)
98 self
._IntervalBlocks
.remove(obj
)