private long GetIdPosition(OID oid)
{
// first check if it is the last
if (_lastIds[_lastIdIndex] != null && _lastIds[_lastIdIndex].Equals(oid))
{
return(_lastIdPositions[(_lastIdIndex)]);
}
for (var i = 0; i < IdBufferSize; i++)
{
if (_lastIds[i] != null && _lastIds[i].Equals(oid))
{
return(_lastIdPositions[i]);
}
}
// object id is not is cache
return(_objectReader.ReadOidPosition(oid));
}