public void PreLoad(IChromosome chrom, List <int> positions)
{
if (positions == null || positions.Count == 0)
{
return;
}
_annotations.Clear();
for (var i = 0; i < positions.Count; i++)
{
int position = positions[i];
long fileLocation = _index.GetFileLocation(chrom.Index, position);
if (fileLocation == -1)
{
continue;
}
//only reconnect if necessary
if (_reader.BaseStream.Position != fileLocation)
{
_reader.BaseStream.Position = fileLocation;
}
_block.Read(_reader);
int lastLoadedPositionIndex = LoadAnnotations(positions, i);
//if there were any positions in the block, the index will move ahead.
// we need to decrease it by 1 since the loop will increment it.
if (lastLoadedPositionIndex > i)
{
i = lastLoadedPositionIndex - 1;
}
}
}
public void PreLoad(IChromosome chrom, List <int> positions)
{
if (positions == null || positions.Count == 0)
{
return;
}
_annotations.Clear();
for (var i = 0; i < positions.Count;)
{
int position = positions[i];
long fileLocation = _index.GetFileLocation(chrom.Index, position);
if (fileLocation == -1)
{
i++;
continue;
}
//only reconnect if necessary
if (_reader.BaseStream.Position != fileLocation)
{
_reader.BaseStream.Position = fileLocation;
}
_block.Read(_reader);
var newIndex = _block.AddAnnotations(positions, i, _annotations);
if (newIndex == i)
{
i++; //no positions were found in this block
}
else
{
i = newIndex;
}
}
}