Example #1
0
        private int MakeTreeFree(PaCell otriples, PaCell otriples_op, PaCell dtriples_sp)
        {
            // Делаю три сканера из трех ячеек
            DiapasonScanner <SubjPredInt> fields = new DiapasonScanner <SubjPredInt>(dtriples_sp, ent =>
            {
                object[] v = (object[])ent.Get();
                return(new SubjPredInt()
                {
                    subj = (int)v[0], pred = (int)v[1]
                });
            });
            DiapasonScanner <SubjPredInt> direct = new DiapasonScanner <SubjPredInt>(otriples, ent =>
            {
                object[] v = (object[])ent.Get();
                return(new SubjPredInt()
                {
                    subj = (int)v[0], pred = (int)v[1]
                });
            });
            DiapasonScanner <SubjPredInt> inverse = new DiapasonScanner <SubjPredInt>(otriples_op, ent =>
            {
                object[] v = (object[])ent.Get();
                return(new SubjPredInt()
                {
                    subj = (int)v[2], pred = (int)v[1]
                });
            });

            // Стартуем сканеры
            fields.Start(); direct.Start(); inverse.Start();
            // Заведем ячейку для результата сканирования
            PaCell tree_free = new PaCell(tp_entitiesTree, path + "tree_free.pac", false);

            tree_free.Clear();

            int  cnt_e = 0, cnt_ep = 0;  // для отладки
            long c1 = 0, c2 = 0, c3 = 0; // для отладки

            //PaEntry ent_dtriples = dtriples.Root.Element(0); // вход для доступа к литералам
            // Начинаем тройное сканирование
            tree_free.StartSerialFlow();
            tree_free.S();
            while (fields.HasValue || direct.HasValue || inverse.HasValue)
            {
                // Здесь у нас НОВОЕ значение идентификатора
                cnt_e++;
                if (cnt_e % 10000000 == 0)
                {
                    Console.Write("{0} ", cnt_e / 10000000);
                }
                int id0 = fields.HasValue ? fields.KeyCurrent.subj : Int32.MaxValue;
                int id1 = direct.HasValue ? direct.KeyCurrent.subj : Int32.MaxValue;
                int id2 = inverse.HasValue ? inverse.KeyCurrent.subj : Int32.MaxValue;
                // Минимальное значение кода идентификатора
                int id = Math.Min(id0, Math.Min(id1, id2));

                // Начало записи
                tree_free.R();
                // Запись идентификатора
                tree_free.V(id);

                tree_free.S();
                while (fields.HasValue && fields.KeyCurrent.subj == id)
                {
                    int su   = fields.KeyCurrent.subj;
                    int pr   = fields.KeyCurrent.pred;
                    var diap = fields.Next();
                    c3 += diap.numb;

                    for (long ind = diap.start; ind < diap.start + diap.numb; ind++)
                    {
                        object[] row  = (object[])dtriples_sp.Root.Element(ind).Get();
                        int      subj = (int)row[0];
                        int      prop = (int)row[1];
                        long     off  = (long)row[2];
                        if (subj != su || prop != pr)
                        {
                            throw new Exception("Assert err: 287282");
                        }
                        tree_free.V(new object[] { prop, off });
                    }
                }
                tree_free.Se();
                tree_free.S();
                while (direct.HasValue && direct.KeyCurrent.subj == id)
                {
                    int su   = direct.KeyCurrent.subj;
                    int pr   = direct.KeyCurrent.pred;
                    var diap = direct.Next();
                    c1 += diap.numb;
                    for (long ind = diap.start; ind < diap.start + diap.numb; ind++)
                    {
                        object[] row  = (object[])otriples.Root.Element(ind).Get();
                        int      subj = (int)row[0];
                        int      prop = (int)row[1];
                        int      obj  = (int)row[2];
                        if (subj != su || prop != pr)
                        {
                            throw new Exception("Assert err: 287283");
                        }
                        tree_free.V(new object[] { prop, obj });
                    }
                }
                tree_free.Se();

                tree_free.S();
                while (inverse.HasValue && inverse.KeyCurrent.subj == id)
                {
                    int su   = inverse.KeyCurrent.subj;
                    int pr   = inverse.KeyCurrent.pred;
                    var diap = inverse.Next();
                    c2 += diap.numb;

                    tree_free.R();
                    tree_free.V(pr);
                    tree_free.S();
                    for (long ind = diap.start; ind < diap.start + diap.numb; ind++)
                    {
                        object[] row  = (object[])otriples_op.Root.Element(ind).Get();
                        int      subj = (int)row[0];
                        int      prop = (int)row[1];
                        int      obj  = (int)row[2];
                        if (obj != su || prop != pr)
                        {
                            throw new Exception("Assert err: 287284");
                        }
                        tree_free.V(subj);
                    }
                    tree_free.Se();
                    tree_free.Re();
                }
                tree_free.Se();
                // Конец записи
                tree_free.Re();
            }
            tree_free.Se();
            tree_free.EndSerialFlow();
            return(cnt_e);
        }