(self, item, words, transaction)
Create indices for *item* and each word in *words*. Must be
implemented by subclasses.

:param item: a *model* instance to be indexed. It does not need to be
    a :class:`stdnet.odm.StdModel`.
:param words: iterable over words. It has been obtained from the
    text in *item* via the :attr:`word_middleware`.
:param transaction: The :class:`Transaction` used.
Create indices for *item* and each word in *words*. Must be
implemented by subclasses.
Create indices for * item * and each word in * words * . Must be implemented by subclasses .
def add_item(self, item, words, transaction):
        '''Create indices for *item* and each word in *words*. Must be
implemented by subclasses.

:param item: a *model* instance to be indexed. It does not need to be
    a :class:`stdnet.odm.StdModel`.
:param words: iterable over words. It has been obtained from the
    text in *item* via the :attr:`word_middleware`.
:param transaction: The :class:`Transaction` used.
'''
        raise NotImplementedError
def add_item ( self , item , words , transaction ) : raise NotImplementedError