class Person:
def __init__(self, name, boss_name, score):
self.name = name
self.score = score
self.boss_name = boss_name
self.children = []
self.attending_plan_cache = None
self.not_attending_plan_cache = None
def add_child(self, child):
self.children.append(child)
def attending_plan(self):
if not self.attending_plan_cache:
self.attending_plan_cache = Plan(self, True)
for child in self.children:
self.attending_plan_cache.merge(child.not_attending_plan())
return self.attending_plan_cache
def not_attending_plan(self):
if not self.not_attending_plan_cache:
self.not_attending_plan_cache = Plan(self, False)
for child in self.children:
self.not_attending_plan_cache.merge(child.best_plan())
return self.not_attending_plan_cache
def best_plan(self):
if self.attending_plan().is_better_than(self.not_attending_plan()):
return self.attending_plan()
else:
return self.not_attending_plan()
