def get_connection(self, address):
try:<EOL><INDENT>return self.connections[address]<EOL><DEDENT>except KeyError:<EOL><INDENT>return None<EOL><DEDENT>
Gets the existing connection for a given address or connects. This call is silent.

:param address: (:class:`~hazelcast.core.Address`), the address to connect to.
:return: (:class:`~hazelcast.connection.Connection`), the found connection, or None if no connection exists.