public RDFGraph(string path)
{
Path = path;
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
PType tp_triple = new PTypeRecord(
new NamedType("subj", new PType(PTypeEnumeration.integer)),
new NamedType("pred", new PType(PTypeEnumeration.integer)),
new NamedType("obj", ObjectVariantsPolarType.ObjectVariantPolarType));
table = new TableView(path + "triples", tp_triple);
ps_index = new IndexCascadingDynamic <int>(path + "ps_index",
(IBearingTableImmutable)table,
ob => (int)((object[])((object[])ob)[1])[1],
ob => (int)((object[])((object[])ob)[1])[0],
i => i);
po_index = new IndexCascadingDynamic <ObjectVariants>(path + "po_index",
(IBearingTableImmutable)table,
ob => (int)((object[])((object[])ob)[1])[1],
ob => ((object[])((object[])ob)[1])[2].ToOVariant(NodeGenerator),
ov => ov.GetHashCode());
textObjectIndex =
new TextObjectIndex((ulong)(table.TableCell.IsEmpty ? 10 : table.TableCell.Root.Count() / 3 + 1),
this);
OnAddPortion += po_index.index_arr.FillPortion;
OnAddPortion += ps_index.index_arr.FillPortion;
OnAddPortion += textObjectIndex.FillPortion;
NodeGenerator = NodeGeneratorInt.Create(new NameTableDictionaryRam(path)); //new NametableLinearBuffered(path));
_ng = NodeGenerator as NodeGeneratorInt;
((NameTableDictionaryRam)_ng.coding_table).Expand((int)10000 / 3 + 1, Enumerable.Repeat(SpecialTypesClass.RdfType, 1));
Start();
}
public CascadingTest()
{
var uniqPath = Path+DateTime.Now.ToString(CultureInfo.InvariantCulture).Replace(":"," ")+DateTime.Now.Millisecond+"/";// Directory.CreateDirectory(uniqPath);
Directory.CreateDirectory(uniqPath);
tableView = new TableView(uniqPath + "table", TpTableElement);
index = new IndexCascadingDynamic<string>(uniqPath + "cascading index", tableView,
row => (int) ((object[])((object[])row)[1])[0],
row => (string)((object[])((object[])row)[1])[1],
i => i.GetHashModifiedBernstein());
tableView.Fill(
Enumerable.Range(0, NumberOfRecords).SelectMany(i =>
Enumerable.Range(0, NumberOfRecords).Select(j =>
(object) (new object[] {i, j.ToString()}))));
index.Build();
index.CreateDiscaleDictionary();
}
public SimpleTripleStore(string path, int portion)
{
this.portion = portion;
table = new TableView(path + "table.pac", new PTypeRecord(new NamedType("s", new PType(PTypeEnumeration.integer)),
new NamedType("p", new PType(PTypeEnumeration.integer)),
new NamedType("o", new PType(PTypeEnumeration.sstring))));
ps_index = new IndexCascadingDynamic <int>(path + "ps_index",
table,
ob => (int)((object[])((object[])ob)[1])[1],
ob => (int)((object[])((object[])ob)[1])[0],
i => i);
po_index = new IndexCascadingDynamic <string>(path + "po_index",
table,
ob => (int)((object[])((object[])ob)[1])[1],
ob => (string)((object[])((object[])ob)[1])[2],
s => s.GetHashSpooky());
predicatemappingPath = path + "predicates";
if (File.Exists(predicatemappingPath))
{
using (StreamReader file = new StreamReader(predicatemappingPath))
while (!file.EndOfStream)
{
predicatemapping.Add(file.ReadLine(), predicatemapping.Count);
}
}
if (table.TableCell.IsEmpty)
{
return;
}
po_index.CreateDiscaleDictionary();
ps_index.CreateDiscaleDictionary();
table.Warmup();
po_index.Warmup();
ps_index.Warmup();
}
