/
naive_centralized_algorithm.py
72 lines (49 loc) · 2.19 KB
/
naive_centralized_algorithm.py
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import sys
class RoleAssignmentService():
def __init__(self, role_criterias):
self.role_criterias = role_criterias
self.bytes_received = 0
self.bytes_sent = 0
self.role_satisfaction_map = {}
self.role_assignment_map = {}
self.unassigned_roles = None
def get_bytes_sent(self):
return self.bytes_sent
def get_bytes_received(self):
return self.bytes_received
def evaluate_node(self, node):
self.bytes_received += sys.getsizeof(node.parameters)
self.bytes_received += sys.getsizeof(node.node_id)
self.role_satisfaction_map[node.node_id] = \
set([role_id for (role_id, role_criteria) in \
enumerate(self.role_criterias) if role_criteria.evaluate_against(node.parameters) > 0])
def _compute_role_assignment(self, node_id, unassigned_roles):
if not unassigned_roles:
self.unassigned_roles = None
return True
if node_id >= len(self.role_satisfaction_map):
self.unassigned_roles = set(unassigned_roles)
return False
assignable_roles = self.role_satisfaction_map[node_id].intersection(unassigned_roles)
if assignable_roles:
for role_id in assignable_roles:
unassigned_roles.remove(role_id)
if self._compute_role_assignment(node_id + 1, unassigned_roles):
self.role_assignment_map[node_id] = role_id
return True
unassigned_roles.add(role_id)
return False
elif self._compute_role_assignment(node_id + 1, unassigned_roles):
return True
else:
return False
def compute_role_assignment(self):
unassigned_roles = set(range(len(self.role_criterias)))
self._compute_role_assignment(0, unassigned_roles)
self.bytes_sent += sys.getsizeof(unassigned_roles)
return self.unassigned_roles
def get_role_assignment(self, node_id):
self.bytes_received += sys.getsizeof(node_id)
role_assignment = self.role_assignment_map[node_id]
self.bytes_sent += sys.getsizeof(role_assignment)
return role_assignment