public void Build(IEnumerable <Tuple <int, string, string> > tripleFlow)
{
table.Clear();
table.Fill(new object[0]);
File.Delete(predicatemappingPath);
int portionConter = 0;
object[] buffer = new object[portion];
ps_index.index_arr.FillInit();
po_index.index_arr.FillInit();
TableRow[] tableRows;
foreach (var triple in tripleFlow)
{
if (portionConter == portion)
{
tableRows = table.Add(buffer).ToArray();
ps_index.index_arr.FillPortion(tableRows);
po_index.index_arr.FillPortion(tableRows);
Array.Clear(buffer, 0, portion);
portionConter = 0;
}
int pCode;
if (!predicatemapping.TryGetValue(triple.Item2, out pCode))
{
predicatemapping.Add(triple.Item2, pCode = predicatemapping.Count);
}
buffer[portionConter] = new object[] { triple.Item1, pCode, triple.Item3 };
portionConter++;
}
tableRows = table.Add(buffer).ToArray();
ps_index.index_arr.FillPortion(tableRows);
po_index.index_arr.FillPortion(tableRows);
table.TableCell.Flush();
ps_index.index_arr.FillFinish();
po_index.index_arr.FillFinish();
ps_index.Build();
po_index.Build();
using (StreamWriter file = new StreamWriter(predicatemappingPath))
foreach (var i in predicatemapping)
{
file.WriteLine(i.Key);
}
po_index.CreateDiscaleDictionary();
ps_index.CreateDiscaleDictionary();
}
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();
}
public void Start()
{
ps_index.CreateDiscaleDictionary();
po_index.CreateDiscaleDictionary();
}