def datum(self, sample):
if not sample.has_path(self.__path):
return None
try:
rec_node = sample.node('rec')
except KeyError:
return None
rec = LocalizedDatetime.construct_from_jdict(rec_node)
value = sample.node(self.__path)
self.__func.append(rec, value)
if not self.__func.has_regression():
return None
slope, intercept = self.__func.line()
if slope is None:
return None
target = PathDict()
if sample.has_path('rec'):
target.copy(sample, 'rec')
target.append(self.__path + '.src', value)
target.append(self.__path + '.slope', round(slope, self.__precision))
target.append(self.__path + '.intercept',
round(intercept, self.__precision))
return target.node()
def datum(self, sample):
if not sample.has_path(self.__path):
return None
rec = LocalizedDatetime.construct_from_jdict(sample.node('rec'))
value = sample.node(self.__path)
self.__func.append(rec, value)
if not self.__func.has_tally():
return None
mid_rec, mid = self.__func.midpoint()
if rec is None:
return None
target = PathDict()
target.append('rec', rec)
target.append('mid-rec', mid_rec)
target.append(self.__path + '.src', value)
target.append(self.__path + '.mid', round(mid, 6))
return target.node()
def datum(self, sample):
if not sample.has_path(self.__path):
return None
try:
rec_node = sample.node('rec')
except KeyError:
return None
rec = LocalizedDatetime.construct_from_jdict(rec_node)
value = sample.node(self.__path)
self.__func.append(rec, value)
if not self.__func.has_midpoint():
return None
mid_rec, mid = self.__func.midpoint()
if rec is None:
return None
target = PathDict()
target.append('rec', rec.as_iso8601())
target.append('mid-rec', mid_rec.as_iso8601())
target.append(self.__path + '.src', value)
target.append(self.__path + '.mid', round(mid, self.__precision))
return target.node()
def datum(self, sample):
if not sample.has_path(self.__path):
return None
rec = LocalizedDatetime.construct_from_jdict(sample.node('rec'))
value = sample.node(self.__path)
self.__func.append(rec, value)
if not self.__func.has_tally():
return None
slope, intercept = self.__func.compute()
if slope is None:
return None
target = PathDict()
target.copy(datum, 'rec')
target.append(self.__path + '.src', value)
target.append(self.__path + '.slope', round(slope * 60 * 60,
6)) # x-scale is hours
target.append(self.__path + '.intercept', round(intercept, 6))
return target.node()
def construct_from_jdict(cls, jdict):
if not jdict:
return None
client_id = jdict.get('client-id')
path = jdict.get('path')
earliest_publication = LocalizedDatetime.construct_from_jdict(jdict.get('earliest-pub'))
client_id = DeviceTopic(client_id, path, earliest_publication)
return client_id
def construct_from_message_jdict(cls, jdict):
if not jdict:
return None
client_id = jdict.get('device')
path = jdict.get('topic')
earliest_publication = LocalizedDatetime.construct_from_jdict(jdict.get('date'))
client_id = DeviceTopic(client_id, path, earliest_publication)
return client_id
def construct_from_jdict(cls, jdict):
if not jdict:
return None
rec = LocalizedDatetime.construct_from_jdict(jdict.get('rec'))
period = jdict.get('per')
pm1 = jdict.get('pm1')
pm2p5 = jdict.get('pm2.5')
pm10 = jdict.get('pm10')
bins = jdict.get('bin')
bin_1_mtof = jdict.get('mtf1')
bin_3_mtof = jdict.get('mtf3')
bin_5_mtof = jdict.get('mtf5')
bin_7_mtof = jdict.get('mtf7')
return OPCDatum(rec, pm1, pm2p5, pm10, period, bins, bin_1_mtof, bin_3_mtof, bin_5_mtof, bin_7_mtof)