protected void PicardPreprocess(
Context context, PreprocessingTools tools, SAMRecordIterator input, String output)
throws InterruptedException, QualityException, IOException, URISyntaxException {
outHeader = header.clone();
outHeader.setSortOrder(SAMFileHeader.SortOrder.coordinate);
// tmp files
String tmpOut1 = tmpFileBase + "-p1.bam";
String tmpOut2 = tmpFileBase + "-p2.bam";
String tmpOut3 = tmpFileBase + "-p3.sam";
String fCounts = tmpFileBase + "-features.count";
String tmpMetrics = tmpFileBase + "-p3-metrics.txt";
SAMFileWriterFactory factory = new SAMFileWriterFactory();
if (!inputIsBam) {
outHeader.addReadGroup(bamrg);
}
SAMFileWriter writer = factory.makeBAMWriter(outHeader, true, new File(tmpOut1));
long startTime = System.currentTimeMillis();
int count = 0;
SAMRecord sam;
while (input.hasNext()) {
sam = input.next();
writer.addAlignment(sam);
count++;
}
int reads = input.getCount();
writer.close();
context.getCounter(HalvadeCounters.IN_PREP_READS).increment(reads);
long estimatedTime = System.currentTimeMillis() - startTime;
context.getCounter(HalvadeCounters.TIME_HADOOP_SAMTOBAM).increment(estimatedTime);
Logger.DEBUG("time writing " + count + " records to disk: " + estimatedTime / 1000);
Logger.DEBUG("clean sam");
context.setStatus("clean sam");
tools.runCleanSam(tmpOut1, tmpOut2);
Logger.DEBUG("mark duplicates");
context.setStatus("mark duplicates");
tools.runMarkDuplicates(tmpOut2, tmpOut3, tmpMetrics);
if (gff != null) {
// tmpOut3 is sam for htseq count!
Logger.DEBUG("featureCounts");
context.setStatus("featureCounts");
tools.runFeatureCounts(gff, tmpOut3, fCounts, threads);
HalvadeFileUtils.uploadFileToHDFS(
context,
FileSystem.get(new URI(outputdir), context.getConfiguration()),
fCounts,
outputdir + context.getTaskAttemptID().toString() + ".count");
}
if (!inputIsBam) {
Logger.DEBUG("add read-group");
context.setStatus("add read-group");
tools.runAddOrReplaceReadGroups(tmpOut3, output, RGID, RGLB, RGPL, RGPU, RGSM);
} else {
context.setStatus("convert SAM to BAM");
Logger.DEBUG("convert SAM to BAM");
tools.callSAMToBAM(tmpOut3, output, threads);
}
Logger.DEBUG("build bam index");
context.setStatus("build bam index");
tools.runBuildBamIndex(output);
estimatedTime = System.currentTimeMillis() - startTime;
Logger.DEBUG("estimated time: " + estimatedTime / 1000);
// remove all temporary files now!
HalvadeFileUtils.removeLocalFile(keep, tmpMetrics, context, HalvadeCounters.FOUT_GATK_TMP);
HalvadeFileUtils.removeLocalFile(keep, tmpOut1, context, HalvadeCounters.FOUT_GATK_TMP);
HalvadeFileUtils.removeLocalFile(keep, tmpOut2, context, HalvadeCounters.FOUT_GATK_TMP);
HalvadeFileUtils.removeLocalFile(keep, tmpOut3, context, HalvadeCounters.FOUT_GATK_TMP);
HalvadeFileUtils.removeLocalFile(keep, fCounts);
}
