def __lt__(self, other):
	return self.oid < other.oid
def __le__(self, other):
	return self.oid <= other.oid
def __gt__(self, other):
	return self.oid > other.oid
def __ge__(self, other):
	return self.oid >= other.oid
def __eq__(self, other):
	return self.oid == other.oid
def __ne__(self, other):
	return self.oid != other.oid
def __hash__(self):
	return hash(self.oid)
