def is_limited(self, identifier):
<EOL>if identifier in self._limits:<EOL><INDENT>limit, blocking = self._limits[identifier]<EOL>if time() < limit:<EOL><INDENT>self._log.debug('<STR_LIT>'<EOL>.format(oid=id(identifier)))<EOL>if blocking:<EOL><INDENT>raise LimitError<EOL><DEDENT>return True<EOL><DEDENT>else:<EOL><INDENT>del self._limits[identifier]<EOL><DEDENT><DEDENT>self._log.debug('<STR_LIT>'.format(oid=id(identifier)))<EOL>return False<EOL>
Test whether or not there is an active global limit for the specified Trigger or Response instance
:param identifier: The Trigger or Response object
:type  identifier: parser.trigger.Trigger or parser.trigger.response.Response

:return: True if there is a limit enforced, otherwise False
:rtype : bool