def _relax_switch_window(self, series, direction, window):
"""
direction == "left"
return the last time the task was running
if no such time exists in the window,
extend the window's left extent to
getStartTime
direction == "right"
return the first time the task was running
in the window. If no such time exists in the
window, extend the window's right extent to
getEndTime()
The function returns a None if
len(series[series == TASK_RUNNING]) == 0
even in the extended window
"""
series = series[series == sconf.TASK_RUNNING]
w_series = sconf.select_window(series, window)
start, stop = window
if direction == "left":
if len(w_series):
return w_series.index.values[-1]
else:
start_time = self.getStartTime()
w_series = sconf.select_window(
series,
window=(
start_time,
start))
if not len(w_series):
return None
else:
return w_series.index.values[-1]
elif direction == "right":
if len(w_series):
return w_series.index.values[0]
else:
end_time = self.getEndTime()
w_series = sconf.select_window(series, window=(stop, end_time))
if not len(w_series):
return None
else:
return w_series.index.values[0]
else:
raise ValueError("direction should be either left or right")
def _relax_switch_window(self, series, direction, window):
"""
direction == "left"
return the last time the task was running
if no such time exists in the window,
extend the window's left extent to
getStartTime
direction == "right"
return the first time the task was running
in the window. If no such time exists in the
window, extend the window's right extent to
getEndTime()
The function returns a None if
len(series[series == TASK_RUNNING]) == 0
even in the extended window
"""
series = series[series == sconf.TASK_RUNNING]
w_series = sconf.select_window(series, window)
start, stop = window
if direction == "left":
if len(w_series):
return w_series.index.values[-1]
else:
start_time = self.getStartTime()
w_series = sconf.select_window(
series,
window=(
start_time,
start))
if not len(w_series):
return None
else:
return w_series.index.values[-1]
elif direction == "right":
if len(w_series):
return w_series.index.values[0]
else:
end_time = self.getEndTime()
w_series = sconf.select_window(series, window=(stop, end_time))
if not len(w_series):
return None
else:
return w_series.index.values[0]
else:
raise ValueError("direction should be either left or right")
