public override IEnumerable <string> Process()
{
options.PrintParameter(Console.Out);
Progress.SetMessage("Single thread mode ...");
var parser = options.GetPileupItemParser();
var pfile = new PileupFile(parser);
var mutationList = new ValidationFile().ReadFromFile(options.BedFile);
var map = mutationList.Items.ToDictionary(m => GenomeUtils.GetKey(m.Chr, m.Pos));
var posFile = Path.Combine(options.OutputFile + ".pos.bed");
mutationList.WriteToFile(posFile, 500);
var proc = new MpileupProcessor(options).ExecuteSamtools(options.BamFiles, "", posFile);
if (proc == null)
{
return(null);
}
pfile.Open(proc.StandardOutput);
pfile.Samtools = proc;
Progress.SetMessage("Total {0} entries in extraction list", mutationList.Items.Length);
var result = new Dictionary <ValidationItem, PileupItem>();
using (pfile)
{
try
{
string line;
string lastChrom = string.Empty;
while ((line = pfile.ReadLine()) != null)
{
try
{
var locus = parser.GetSequenceIdentifierAndPosition(line);
var locusKey = GenomeUtils.GetKey(locus.SequenceIdentifier, locus.Position);
if (!locus.SequenceIdentifier.Equals(lastChrom))
{
Progress.SetMessage("Processing chromosome " + locus.SequenceIdentifier + " ...");
lastChrom = locus.SequenceIdentifier;
}
ValidationItem vitem = null;
if (!map.TryGetValue(locusKey, out vitem))
{
continue;
}
result[vitem] = parser.GetValue(line);
}
catch (Exception ex)
{
var error = string.Format("Parsing error {0}\n{1}", ex.Message, line);
Progress.SetMessage(error);
Console.Error.WriteLine(ex.StackTrace);
throw new Exception(error);
}
}
}
finally
{
if (pfile.Samtools != null)
{
try
{
pfile.Samtools.Kill();
}
// ReSharper disable once EmptyGeneralCatchClause
catch (Exception)
{
}
}
}
}
if (result.Count == 0)
{
throw new Exception("Nothing found. Look at the log file for error please.");
}
using (var sw = new StreamWriter(options.OutputFile))
{
sw.WriteLine("{0}\t{1}", mutationList.Header, options.GetBamNames().Merge("\t"));
var emptyevents = new string('\t', options.BamFiles.Count);
foreach (var mu in mutationList.Items)
{
sw.Write("{0}", mu.Line);
PileupItem item;
if (result.TryGetValue(mu, out item))
{
foreach (var sample in item.Samples)
{
sample.InitEventCountList(false);
if (sample.EventCountList.Count > 0)
{
sw.Write("\t{0}", (from ecl in sample.EventCountList
let v = string.Format("{0}:{1}", ecl.Event, ecl.Count)
select v).Merge(","));
}
else
{
sw.Write("\t");
}
}
}
else
{
sw.Write(emptyevents);
}
sw.WriteLine();
}
}
return(new[] { options.OutputFile });
}
protected override MpileupResult GetMpileupResult()
{
var result = new MpileupResult(string.Empty, _options.CandidatesDirectory);
Progress.SetMessage("Single thread mode ...");
var parser = _options.GetPileupItemParser();
var pfile = new PileupFile(parser);
switch (_options.From)
{
case DataSourceType.Mpileup:
pfile.Open(_options.MpileupFile);
break;
case DataSourceType.BAM:
var proc = new MpileupProcessor(_options).ExecuteSamtools(new[] { _options.NormalBam, _options.TumorBam }.ToList(), _options.GetMpileupChromosomes());
if (proc == null)
{
return(null);
}
pfile.Open(proc.StandardOutput);
pfile.Samtools = proc;
break;
case DataSourceType.Console:
pfile.Open(Console.In);
break;
}
using (pfile)
{
try
{
IMpileupParser proc = new MpileupParser(_options, result);
string line;
while ((line = pfile.ReadLine()) != null)
//while ((item = pfile.Next("1", 48901870)) != null)
{
result.TotalCount++;
try
{
var item = proc.Parse(line, true);
if (item == null)
{
continue;
}
result.Results.Add(item);
}
catch (Exception ex)
{
throw new Exception(string.Format("parsing error {0}\n{1}", ex.Message, line));
}
}
}
finally
{
if (pfile.Samtools != null)
{
try
{
pfile.Samtools.Kill();
}
// ReSharper disable once EmptyGeneralCatchClause
catch (Exception)
{
}
}
}
}
return(result);
}
protected override MpileupResult GetMpileupResult()
{
var result = new MpileupResult(string.Empty, _options.CandidatesDirectory);
Progress.SetMessage("Single thread mode ...");
var parser = _options.GetPileupItemParser(false);
var pfile = new PileupFile(parser);
var mutationList = GetValidationList();
result.TotalCount = mutationList.Items.Length;
var map = mutationList.Items.ToDictionary(m => GenomeUtils.GetKey(m.Chr, m.Pos));
switch (_options.From)
{
case DataSourceType.Mpileup:
pfile.Open(_options.MpileupFile);
break;
case DataSourceType.BAM:
var posFile = Path.Combine(_options.CandidatesDirectory, "pos.bed");
mutationList.WriteToFile(posFile, 500);
var proc = new MpileupProcessor(_options).ExecuteSamtools(new[] { _options.NormalBam, _options.TumorBam }, "", posFile);
if (proc == null)
{
throw new Exception("Cannot execute mpileup.");
}
pfile.Open(proc.StandardOutput);
pfile.Samtools = proc;
break;
case DataSourceType.Console:
pfile.Open(Console.In);
break;
}
Progress.SetMessage("Total {0} entries in validation list", mutationList.Items.Length);
foreach (var m in map)
{
Console.WriteLine(m.Key);
}
using (pfile)
{
try
{
IMpileupParser proc = new ValidationParser(_options, result);
string line;
while ((line = pfile.ReadLine()) != null)
{
try
{
var locus = parser.GetSequenceIdentifierAndPosition(line);
var locusKey = GenomeUtils.GetKey(locus.SequenceIdentifier, locus.Position);
//Console.WriteLine(locusKey);
ValidationItem vitem = null;
if (!map.TryGetValue(locusKey, out vitem))
{
continue;
}
//Console.WriteLine("Parsing " + line);
var parres = proc.Parse(line, true);
if (!string.IsNullOrEmpty(parres.FailedReason))
{
Progress.SetMessage("{0}\t{1}\t{2} ~ {3}\t{4}", parres.Item.SequenceIdentifier, parres.Item.Position, parres.Group.Sample1, parres.Group.Sample2, parres.FailedReason);
}
result.Results.Add(parres);
}
catch (Exception ex)
{
var error = string.Format("parsing error {0}\n{1}", ex.Message, line);
Progress.SetMessage(error);
Console.Error.WriteLine(ex.StackTrace);
throw new Exception(error);
}
}
}
finally
{
if (pfile.Samtools != null)
{
try
{
pfile.Samtools.Kill();
}
// ReSharper disable once EmptyGeneralCatchClause
catch (Exception)
{
}
}
}
}
result.NotCovered = result.TotalCount - result.Results.Count;
return(result);
}
public void RunTask(string chr, CancellationTokenSource cts)
{
if (cts.IsCancellationRequested)
{
throw new UserTerminatedException();
}
var result = new MpileupResult(chr, _options.CandidatesDirectory);
Progress.SetMessage("Processing chromosome {0} in thread {1}", chr, Thread.CurrentThread.ManagedThreadId);
var process = ExecuteSamtools(new[] { _options.NormalBam, _options.TumorBam }, chr);
if (process == null)
{
throw new Exception(string.Format("Fail to execute samtools for chromosome {0}.", chr));
}
var parser = _options.GetPileupItemParser();
var pfile = new PileupFile(parser);
pfile.Open(process.StandardOutput);
var proc = new MpileupParser(_options, result)
{
Progress = this.Progress
};
try
{
using (pfile)
{
string line;
while ((line = pfile.ReadLine()) != null)
{
result.TotalCount++;
if (cts.IsCancellationRequested)
{
return;
}
try
{
proc.Parse(line);
}
catch (Exception ex)
{
throw new Exception(string.Format("Parsing mpileup entry failed : {0}\n{1}", ex.Message, line), ex);
}
}
new MpileupResultCountFormat(_options, true).WriteToFile(result.CandidateSummary, result);
Progress.SetMessage("Processing chromosome {0} in thread {1} finished.", chr, Thread.CurrentThread.ManagedThreadId);
}
}
catch (Exception ex)
{
cts.Cancel();
throw new Exception(string.Format("Processing chromosome {0} failed : {1}", result.Name, ex.Message), ex);
}
finally
{
try
{
if (process != null)
{
process.Kill();
}
}
catch
{
}
}
}
