public void BuildIndexes()
{
// _ng.coding_table.Save();
// _ng.coding_table.FreeMemory();
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
if (!table.TableCell.Root.Elements().Any())
{
Console.WriteLine("table empty!");
return;
}
sw.Start();
NodeGenerator.Build();
sw.Stop();
Console.WriteLine("Load data and nametable ok. Duration={0}", sw.ElapsedMilliseconds);
sw.Restart();
//ng.Build();
ps_index.Build();
sw.Stop();
Console.WriteLine("ps_index.Build() ok. Duration={0}", sw.ElapsedMilliseconds);
sw.Restart();
po_index.Build();
sw.Stop();
Console.WriteLine("po_index Build index ok. Duration={0}", sw.ElapsedMilliseconds);
sw.Restart();
Start();
}
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();
}