public void ConfigNode(object commondata)
{
common_data = commondata;
object conf = ((object[])common_data)[0];
foreach (object[] tab in (object[])conf)
{
PType tp_tab_element = PType.FromPObject(tab[2]);
object[] key_grades = (object[])tab[3];
for (int i = 0; i < key_grades.Length; i++)
{
var sportion = KVSequencePortion.Create(this, tp_tab_element);
cell_list.Root.AppendElement(sportion.pobj);
int iportion = sportion_list.Count;
sportion_list.Add(sportion);
key_grades[i] = new object[] { iportion };
}
}
cell_list.Flush(); // Этот Flush нужен
fob.Flush();
object v = cell_list.Root.Get();
cell_common.Clear();
cell_common.Fill(common_data);
}
public DataNode(string path)
{
this.path = path;
//this.tp_element = tp_element;
string dbpath = path + "DataNodeStorage.bin";
bool fob_exists = File.Exists(dbpath);
FileStream fs = new FileStream(dbpath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
fob = new FileOfBlocks(fs);
Stream first_stream = fob.GetFirstAsStream();
if (!fob_exists)
{
PagedStream.InitPagedStreamHead(first_stream, 8L, 0, PagedStream.HEAD_SIZE);
fob.Flush();
}
main_stream = new PagedStream(fob, fob.GetFirstAsStream(), 8L);
//long sz = PagedStream.HEAD_SIZE;
// Если main_stream нулевой длины, надо инициировать конфигурацию стримов
bool toinit = main_stream.Length == 0;
if (toinit)
{
// инициируем 2 головы для потоков
PagedStream.InitPagedStreamHead(main_stream, 0L, 0L, -1L);
PagedStream.InitPagedStreamHead(main_stream, PagedStream.HEAD_SIZE, 0L, -1L);
//PagedStream.InitPagedStreamHead(main_stream, 2 * sz, 0L, -1L);
main_stream.Flush(); fob.Flush();
}
// создадим 2 потока
Stream stream_common_params = new FileStream(path + "common.pac", FileMode.OpenOrCreate, FileAccess.ReadWrite); //new PagedStream(fob, main_stream, 0L);
Stream stream_SP_list = new FileStream(path + "splist.pac", FileMode.OpenOrCreate, FileAccess.ReadWrite); //new PagedStream(fob, main_stream, 1 * PagedStream.HEAD_SIZE);
//PagedStream stream_offsets = new PagedStream(fob, main_stream, 2 * sz); // пока не знаю для чего...
// Создадим ячейки
tp_common = new PTypeRecord(
new NamedType("configuration", tp_configuration));
cell_common = new PaCell(tp_common, stream_common_params, false);
tp_list = new PTypeSequence(KVSequencePortion.tp_pobj);
cell_list = new PaCell(tp_list, stream_SP_list, false);
// Инициализируем
if (toinit)
{
cell_common.Fill(new object[] { new object[0] });
cell_list.Fill(new object[0]);
}
common_data = cell_common.Root.Get();
foreach (object[] p in cell_list.Root.ElementValues())
{
KVSequencePortion kvsp = new KVSequencePortion(this, p);
sportion_list.Add(kvsp);
}
}
