serialise_integers.h

Go to the documentation of this file.

/*
    SERIALISE_INTEGERS.H
    --------------------
    Copyright (c) 2017 Andrew Trotman
    Released under the 2-clause BSD license (See:https://en.wikipedia.org/wiki/BSD_licenses)
 */
#pragma once

#include "file.h"
#include "index_manager.h"

namespace JASS
    {
    /*
        CLASS SERIALISE_INTEGERS
        ------------------------
    */
    class serialise_integers : public index_manager::delegate
        {
        private:
            file postings_file;                                 
            allocator_pool memory;                              
            index_postings_impact impact_ordered;           

        public:
            /*
                SERIALISE_INTEGERS::SERIALISE_INTEGERS()
                ----------------------------------------
            */
            serialise_integers(size_t documents_in_collection) :
                index_manager::delegate(documents_in_collection),
                postings_file("postings.bin", "w+b"),
                impact_ordered(documents, memory)
                {
                /* Nothing. */
                }

            /*
                SERIALISE_INTEGERS::FINISH()
                ----------------------------
            */
            void finish(void)
                {
                /* Nothing */
                }
                
            /*
                SERIALISE_INTEGERS::OPERATOR()()
                --------------------------------
            */
            virtual void operator()(const slice &term, const index_postings &postings, compress_integer::integer document_frequency, compress_integer::integer *document_ids, index_postings_impact::impact_type *term_frequencies);

            /*
                SERIALISE_INTEGERS::OPERATOR()()
                --------------------------------
            */
            virtual void operator()(size_t document_id, const slice &primary_key)
                {
                /* Nothing. */
                }

            /*
                SERIALISE_INTEGERS::UNITTEST_ONE_COLLECTION()
                ---------------------------------------------
            */
            static void unittest_one_collection(const std::string &document_collection, uint32_t expected_checksum);

            /*
                SERIALISE_INTEGERS::UNITTEST()
                ------------------------------
            */
            static void unittest(void);
        };
    }