def register_interest(self, agent_factory, *args, **kwargs):
agent_factory = IInterest(agent_factory)
if not IFirstMessage.implementedBy(agent_factory.initiator):
raise TypeError(
"%r.initiator expected to implemented IFirstMessage. Got %r" %\
(agent_factory, agent_factory.initiator, ))
p_type = agent_factory.protocol_type
p_id = agent_factory.protocol_id
if p_type not in self._interests:
self._interests[p_type] = dict()
if p_id in self._interests[p_type]:
self.error('Already interested in %s.%s protocol', p_type, p_id)
return False
interest_factory = IAgencyInterestInternalFactory(agent_factory)
interest = interest_factory(self, *args, **kwargs)
self._interests[p_type][p_id] = interest
self.debug('Registered interest in %s.%s protocol', p_type, p_id)
return interest
