public MGIndex(string path, string filename, byte keysize, bool allowdups)
{
if (Global.UseLessMemoryStructures)
{
_cache = new SafeSortedList <int, Page <T> >();
}
else
{
_cache = new SafeDictionary <int, Page <T> >();
}
_AllowDuplicates = allowdups;
if (path.EndsWith(Path.DirectorySeparatorChar.ToString()) == false)
{
path += Path.DirectorySeparatorChar;
}
_index = new IndexFile <T>(path + filename, keysize);
// load page list
_index.GetPageList(_pageListDiskPages, _pageList, out _LastIndexedRecordNumber);
if (_pageList.Count() == 0)
{
Page <T> page = new Page <T>();
page.FirstKey = (T)RDBDataType <T> .GetEmpty();
page.DiskPageNumber = _index.GetNewPageNumber();
page.isDirty = true;
_pageList.Add(page.FirstKey, new PageInfo(page.DiskPageNumber, 0, 0));
_cache.Add(page.DiskPageNumber, page);
}
}
public int GetFreeRecordNumber()
{
using (new L(this))
{
int i = _lastRecordNumber++;
_cache.Add(i, new WAHBitArray());
return(i);
}
}
public void Set(int index, bool val)
{
lock (_lock)
{
if (_state == TYPE.Indexes)
{
isDirty = true;
if (val == true)
{
_offsets.Add((uint)index, true);
// set max
if (index > _curMax)
{
_curMax = (uint)index;
}
}
else
{
_offsets.Remove((uint)index);
}
ChangeTypeIfNeeded();
return;
}
CheckBitArray();
Resize(index);
internalSet(index, val);
}
}
