def contains_all(self, items):
check_not_none(items, "<STR_LIT>")<EOL>data_items = []<EOL>for item in items:<EOL><INDENT>check_not_none(item, "<STR_LIT>")<EOL>data_items.append(self._to_data(item))<EOL><DEDENT>return self._encode_invoke(queue_contains_all_codec, data_list=data_items)<EOL>
Determines whether this queue contains all of the items in the specified collection or not.

:param items: (Collection), the specified collection which includes the items to be searched.
:return: (bool), ``true`` if all of the items in the specified collection exist in this queue, ``false`` otherwise.