def notify_solution(self, incumbents):
super(KpiRecorder, self).notify_solution(incumbents)
publish_name_fn = self.publish_name_fn
if self._last_accept:
self._report_count += 1
# build a name/value dictionary with builtin values
k = self._model.kpis_as_dict(self.current_solution, use_names=True)
name_values = {publish_name_fn(kn): kv for kn, kv in iteritems(k)}
# This must be this value for the current objective
name_values['PROGRESS_CURRENT_OBJECTIVE'] = self.current_solution.objective_value
# predefined keys, not KPIs
# name_values[publish_name_fn('_objective')] = self.current_solution.objective_value
name_values[publish_name_fn('_time')] = self._last_time
self._kpis.append(name_values)
# usually publish kpis in environment...
if self.publish_hook is not None:
self.publish_hook(name_values)
# save kpis.csv table
context = self._model.context
if auto_publising_kpis_table_names(context) is not None:
write_kpis_table(env=get_environment(),
context=context,
model=self._model,
solution=self.current_solution)
def notify_solution(self, sol):
pdata = self.current_progress_data
publish_name_fn = self.publish_name_fn
# 1. build a dict from formatted names to kpi values.
name_values = {
publish_name_fn(kp.name): kp.compute(sol)
for kp in self.model.iter_kpis()
}
# 2. add predefined keys for obj, time.
name_values['PROGRESS_CURRENT_OBJECTIVE'] = sol.objective_value
name_values[publish_name_fn('_time')] = pdata.time
# 3. store it (why???)
self._kpi_dicts.append(name_values)
# usually publish kpis in environment...
if self.publish_hook is not None:
self.publish_hook(name_values)
# save kpis.csv table
context = self._context
if auto_publising_kpis_table_names(context) is not None:
write_kpis_table(env=get_environment(),
context=context,
model=self.model,
solution=sol)
def write_kpis_table(env, context, model, solution):
# import from context here otherwise we have cyclic inclusions between
# context and utils
from docplex.mp.context import auto_publising_kpis_table_names
names = auto_publising_kpis_table_names(context)
kpis_table = []
for k in model.iter_kpis():
kpis_table.append([k.name, k.compute(solution)])
if kpis_table:
# do not create the kpi tables if there are no kpis to be written
for name in names:
write_kpis(env, kpis_table, name)