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data_point.py
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data_point.py
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# Copyright (c) 2009-2014 Stefan Marr <http://www.stefan-marr.de/>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# 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
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
from ..ui import UIError
class DataPoint(object):
def __init__(self, run_id):
self.run_id = run_id
self._measurements = []
self._total = None
self.invocation = -1
def number_of_measurements(self):
return len(self._measurements)
def add_measurement(self, measurement):
if self.invocation == -1:
self.invocation = measurement.invocation
elif self.invocation != measurement.invocation:
raise UIError("A data point is expected to represent a single invocation " +
"but we got invocation " + str(measurement.invocation) +
" and " + str(self.invocation) + "\n", None)
self._measurements.append(measurement)
if measurement.is_total():
if self._total is not None:
raise ValueError("A data point should only include one " +
"'total' measurement.")
self._total = measurement
def get_measurements(self):
return self._measurements
def get_total_value(self):
return self._total.value if self._total else None
def get_total_unit(self):
return self._total.unit
def measurements_as_dict(self, criteria):
data = []
iteration = -1
invocation = -1
for m in self._measurements:
if iteration == -1:
iteration = m.iteration
invocation = m.invocation
else:
assert iteration == m.iteration
assert invocation == m.invocation
criterion = (m.criterion, m.unit)
if criterion not in criteria:
criteria[criterion] = len(criteria)
data.append({'v': m.value, 'c': criteria[criterion]})
assert self.invocation == invocation
return {
'in': invocation,
'it': iteration,
'm': data
}
def __repr__(self):
return "DataPoint(" + str(self.run_id) + ", " + str(self._measurements) + ")"