Exemplo n.º 1
0
        public TripleStore32(Func <Stream> stream_gen, string tmp_dir)
        {
            // Тип Object Variants
            PType tp_ov = new PTypeUnion(
                new NamedType("dummy", new PType(PTypeEnumeration.none)),
                new NamedType("iri", new PType(PTypeEnumeration.integer)),
                new NamedType("str", new PType(PTypeEnumeration.sstring)));

            tp_triple = new PTypeRecord(
                new NamedType("subj", new PType(PTypeEnumeration.integer)),
                new NamedType("pred", new PType(PTypeEnumeration.integer)),
                new NamedType("obj", tp_ov));
            table = new UniversalSequenceBase(tp_triple, stream_gen());
            var spo_comparer = Comparer <object> .Create(new Comparison <object>((object a, object b) =>
            {
                object[] aa = (object[])a; object[] bb = (object[])b;
                int cmp = ((int)aa[0]).CompareTo((int)bb[0]);
                return(cmp);
            }));

            keyFunc   = tri => (int)((object[])tri)[0];
            index_spo = new UniversalSequenceCompKey32(stream_gen(), keyFunc, spo_comparer, table);
            indexTest = new IndexViewImmutable(stream_gen, table,
                                               Comparer <object> .Create(new Comparison <object>((object a, object b) =>
            {
                object[] aa = (object[])a; object[] bb = (object[])b;
                int cmp     = ((int)aa[0]).CompareTo((int)bb[0]);
                return(cmp);
            })), tmp_dir, 20_000_000
                                               );
        }
Exemplo n.º 2
0
        public TripleStore_mag(Stream tab_stream, Stream spo_stream, Comparer <object> comp)
        {
            this.spo_comparer = comp;
            tp_triple         = new PTypeRecord(
                new NamedType("subj", new PType(PTypeEnumeration.integer)),
                new NamedType("pred", new PType(PTypeEnumeration.integer)),
                new NamedType("obj", tp_ov));
            table        = new UniversalSequenceBase(tp_triple, tab_stream);
            spo_comparer = Comparer <object> .Create(new Comparison <object>((object a, object b) =>
            {
                object[] aa = (object[])a; object[] bb = (object[])b;
                int cmp = ((int)aa[0]).CompareTo((int)bb[0]);
                return(cmp);
            }));

            keyFunc   = tri => (int)((object[])tri)[0];
            index_spo = new UniversalSequenceCompKey32(spo_stream, keyFunc, spo_comparer, table);
        }