def resolve(self):
pending_commands = self._build_pending_commands()
num_commands = sum(len(v) for v in itervalues(pending_commands))
# Don't bother with the pooling if we only need to do one operation on a single machine
if num_commands == 1:
db_num, (command,) = list(pending_commands.items())[0]
self._commands = [command.resolve(self._cluster[db_num])]
elif num_commands > 1:
results = self.execute(self._cluster, pending_commands)
for command in self._commands:
result = results.get(command)
if result:
for value in result:
if isinstance(value, Exception):
self._errors.append((command.get_name(), value))
# XXX: single path routing (implicit) doesnt return a list
if len(result) == 1:
result = result[0]
change_resolution(command, result)
self._resolved = True
if not self._fail_silently and self._errors:
raise CommandError(self._errors)
def disconnect(self):
"""Disconnects all connections in cluster"""
for connection in itervalues(self.hosts):
connection.disconnect()