private void Source_DatumReplaced(int srcIndex, IDatum datum)
{
using (Lock())
{
bool wasIncluded = m_mapper.IsSelected(srcIndex);
if (wasIncluded)
{
int ndx = m_mapper.FromSourceIndex(srcIndex);
m_mapper.OnSourceItemReplaced(srcIndex, datum);
if (m_mapper.Filter(datum))
{
DatumReplaced?.Invoke(ndx, datum);
}
else
{
DatumDeleted?.Invoke(ndx);
}
}
else
{
m_mapper.OnSourceItemReplaced(srcIndex, datum);
if (m_mapper.Filter(datum))
{
int ndx = m_mapper.FromSourceIndex(srcIndex);
DatumInserted?.Invoke(ndx, datum);
}
}
}
}
void DataProvider_DatumInserted(int ndx, IDatum datum)
{
T key = m_selector(datum);
lock (m_ndxTable)
{
List <int> lst;
if (!m_ndxTable.TryGetValue(key, out lst))
{
lst = new List <int>();
m_ndxTable[key] = lst;
}
//datum inserted not at the end => adjust indicies
if (ndx < m_dataProvider.Count - 1)
{
foreach (List <int> l in m_ndxTable.Values)
{
for (int i = 0; i < lst.Count; i++)
{
if (ndx <= l[i])
{
++l[i];
}
}
}
}
lst.Add(ndx);
DatumInserted?.Invoke(datum);
}
}
void Source_DatumReplaced(int srcIndex, IDataRow datum)
{
Assert(datum != null);
bool wasIncluded = m_mapper.Accepted(srcIndex);
if (wasIncluded)
{
int ndx = m_mapper.FromSourceIndex(srcIndex);
m_mapper.OnSourceItemReplaced(srcIndex, datum);
if (m_mapper.Filter(datum))
{
DatumReplaced?.Invoke(ndx, datum);
}
else
{
DatumDeleted?.Invoke(ndx);
}
}
else
{
m_mapper.OnSourceItemReplaced(srcIndex, datum);
if (m_mapper.Filter(datum))
{
int ndx = m_mapper.FromSourceIndex(srcIndex);
DatumInserted?.Invoke(ndx, datum);
}
}
}
public void Insert(IDatum item)
{
Assert(IsConnected);
m_impCountries.Add(item as IDataRow);
DatumInserted?.Invoke(Count - 1, item);
}
void OnDatumReplaced(int xsDatum, IDatum datum)
{
bool wasIncluded = m_mapper.Accepted(xsDatum);
if (wasIncluded)
{
int xdItem = m_mapper.FromSourceIndex(xsDatum);
m_mapper.OnSourceItemReplaced(xsDatum, datum);
if (m_mapper.Filter(datum))
{
DatumReplaced?.Invoke(xdItem, datum);
}
else
{
DatumDeleted?.Invoke(xdItem);
}
}
else
{
m_mapper.OnSourceItemReplaced(xsDatum, datum);
if (m_mapper.Filter(datum))
{
int xdItem = m_mapper.FromSourceIndex(xsDatum);
DatumInserted?.Invoke(xdItem, datum);
}
}
}
public void Insert(T datum)
{
Assert(IsConnected);
Assert(datum != null);
lock (m_rwLock)
{
int ndxFrame = m_header.FirstDeletedFrameIndex == NULL_INDEX ?
m_header.FrameCount :
m_header.FirstDeletedFrameIndex;
if (m_recycledData.Count > 0)
{
m_recycledData.RemoveAt(m_recycledData.BinarySearch(ndxFrame));
long framePos = GetFramePosition(ndxFrame);
if (m_recycledData.Count > 0)
{
ReadFrame(framePos);
m_reader.Position = 0;
m_header.FirstDeletedFrameIndex = m_reader.ReadInt();
}
else
{
m_header.FirstDeletedFrameIndex = NULL_INDEX;
}
m_writer.Position = 0;
datum.Write(m_writer);
WriteFrame(framePos);
}
else
{
m_writer.Position = 0;
datum.Write(m_writer);
long framePos = GetFramePosition(ndxFrame);
WriteFrame(framePos);
++m_header.FrameCount;
}
m_header.LastWriteTime = DateTime.Now;
int ndxRow = FrameIndexToRowIndex(ndxFrame);
DatumInserted?.Invoke(ndxRow, datum);
}
}
public void Insert(IDatum item)
{
Assert(IsConnected);
Assert(item is T);
lock (m_table)
{
int ndx = m_table.Insert((T)item);
if (AutoFlush)
{
m_table.Flush();
}
DatumInserted?.Invoke(ndx, item);
}
}
private void Source_DatumInserted(int ndx, IDatum datum)
{
Assert(!m_ndxTable.ContainsKey(datum.ID));
Monitor.Enter(m_lock);
var keys = from kv in m_ndxTable
where kv.Value >= ndx
select kv.Key;
keys.ToList().ForEach(k => ++ m_ndxTable[k]);
m_ndxTable.Add(datum.ID, ndx);
Monitor.Exit(m_lock);
DatumInserted?.Invoke(datum);
}
void DataProvider_DatumInserted(int ndxDatum, IDatum datum)
{
var row = datum as IDataRow;
Debug.Assert(!m_ndxTable.ContainsKey(row.ID));
lock (m_ndxTable)
{
var keys = from kv in m_ndxTable
where kv.Value >= ndxDatum
select kv.Key;
keys.ToList().ForEach(k => ++ m_ndxTable[k]);
m_ndxTable.Add(row.ID, ndxDatum);
}
DatumInserted?.Invoke(row);
}
void OnRowInserted(int ndx, IDatum row)
{
DatumInserted?.Invoke(ndx, row);
}
void Table_DatumInserted(int ndx, T datum) => DatumInserted?.Invoke(ndx, datum);
