def save_index_and_max_freq(self, index_structures, file_name):
     dbManager = DbManager()
     index = {}
     max_freqs = {}
     for index_structure in index_structures:
         dbManager.insert_max_freq_doc(index_structure.doc_id,
                                       index_structure.get_max_freq())
         for i in range(len(index_structure.Terms)):
             term = index_structure.Terms[i]
             frequency = index_structure.Frequencies[i]
             if term in index:
                 index[term] = index[term] + "," + str(frequency)
             else:
                 index[term] = str(frequency)
     self.storeData(index, "data_" + file_name)