@Test(dataProvider = "LIBSTest")
public void testLIBS(LIBSTest params) {
final int locus = 44367788;
SAMRecord read =
ArtificialSAMUtils.createArtificialRead(header, "read", 0, locus, params.readLength);
read.setReadBases(Utils.dupBytes((byte) 'A', params.readLength));
read.setBaseQualities(Utils.dupBytes((byte) '@', params.readLength));
read.setCigarString(params.cigar);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(Arrays.asList(read), createTestReadProperties());
final LIBS_position tester = new LIBS_position(read);
while (li.hasNext()) {
AlignmentContext alignmentContext = li.next();
ReadBackedPileup p = alignmentContext.getBasePileup();
Assert.assertTrue(p.getNumberOfElements() == 1);
PileupElement pe = p.iterator().next();
tester.stepForwardOnGenome();
Assert.assertEquals(pe.isBeforeDeletedBase(), tester.isBeforeDeletedBase);
Assert.assertEquals(pe.isBeforeDeletionStart(), tester.isBeforeDeletionStart);
Assert.assertEquals(pe.isAfterDeletedBase(), tester.isAfterDeletedBase);
Assert.assertEquals(pe.isAfterDeletionEnd(), tester.isAfterDeletionEnd);
Assert.assertEquals(pe.isBeforeInsertion(), tester.isBeforeInsertion);
Assert.assertEquals(pe.isAfterInsertion(), tester.isAfterInsertion);
Assert.assertEquals(pe.isNextToSoftClip(), tester.isNextToSoftClip);
Assert.assertEquals(pe.getOffset(), tester.getCurrentReadOffset());
}
}
@Test
public void testWholeIndelReadInIsolation() {
final int firstLocus = 44367789;
// create a test version of the Reads object
ReadProperties readAttributes = createTestReadProperties();
SAMRecord indelOnlyRead =
ArtificialSAMUtils.createArtificialRead(header, "indelOnly", 0, firstLocus, 76);
indelOnlyRead.setReadBases(Utils.dupBytes((byte) 'A', 76));
indelOnlyRead.setBaseQualities(Utils.dupBytes((byte) '@', 76));
indelOnlyRead.setCigarString("76I");
List<SAMRecord> reads = Arrays.asList(indelOnlyRead);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(reads, readAttributes);
// Traditionally, reads that end with indels bleed into the pileup at the following locus.
// Verify that the next pileup contains this read
// and considers it to be an indel-containing read.
Assert.assertTrue(
li.hasNext(),
"Should have found a whole-indel read in the normal base pileup without extended events enabled");
AlignmentContext alignmentContext = li.next();
Assert.assertEquals(
alignmentContext.getLocation().getStart(),
firstLocus,
"Base pileup is at incorrect location.");
ReadBackedPileup basePileup = alignmentContext.getBasePileup();
Assert.assertEquals(basePileup.getReads().size(), 1, "Pileup is of incorrect size");
Assert.assertSame(basePileup.getReads().get(0), indelOnlyRead, "Read in pileup is incorrect");
}
/**
* Basic positive and negative tests for the PolyANoiseFilter
*
* @param sequence The sequence to be tested
* @param expectedResult The expected result (true is the sequence should match the filter,
* otherwise false)
*/
@Test(dataProvider = "data")
public void testSolexaNoiseFilter(
final String testName, final String sequence, final boolean expectedResult) {
builder.addUnmappedFragment("testfrag");
final SAMRecord record = builder.iterator().next();
record.setReadString(sequence);
Assert.assertEquals(filter.filterOut(record), expectedResult, testName);
}
public void addAlignment(SAMRecord samRecord) {
final SAMReaderID id = toolkit.getReaderIDForRead(samRecord);
String rg = samRecord.getStringAttribute("RG");
if (rg != null) {
String rg_orig = toolkit.getReadsDataSource().getOriginalReadGroupId(rg);
samRecord.setAttribute("RG", rg_orig);
}
addAlignment(samRecord, id);
}
public MyIterator(SAMRecord record) {
this.record = record;
if (record.getReadUnmappedFlag()) throw new IllegalArgumentException("unmapped read");
this.readPos0 = 0;
this.genomePos1 = record.getAlignmentStart();
this._next_genomePos1 = this.genomePos1;
this._next_readPos0 = this.readPos0;
if (this.genomePos1 < 1) throw new IllegalArgumentException("record");
this.cigar = record.getCigar();
}
public SAMRecord poll() {
if (drain) return doPoll();
SAMRecord head = delegateQueue.peek();
if (head == null) return null;
if (maxAlignmentStart - head.getAlignmentStart() < minAlignmentDelay) return null;
return doPoll();
}
@Test
public void onePerChromosome() {
StingSAMIterator iter = ArtificialSAMUtils.mappedReadIterator(1, 100, 1);
int count = 0;
while (iter.hasNext()) {
SAMRecord rec = iter.next();
assertEquals(Integer.valueOf(count), rec.getReferenceIndex());
count++;
}
assertEquals(count, 100 * 1);
}
@Override
public boolean passesFilter(SAMRecord bsRead) {
// passes filter if read is not mapped
if (bsRead.getReadUnmappedFlag()) return true;
// if valid mapping orientation not required
// read passes filter
if (this.getFilterValue() == false) return true;
// else return true if read has valid BS mapping orientation
return bsRead.getCharacterAttribute("BO") == 'V';
}
private static void clearAttributes(
SAMRecord rec, List<String> optFieldTags, List<Object> optFieldValues) {
ListIterator<String> iter = saveTags.listIterator();
while (iter.hasNext()) {
String tag = iter.next();
Object attr = rec.getAttribute(tag);
if (null != attr) {
optFieldTags.add(tag);
optFieldValues.add(attr);
}
}
rec.clearAttributes();
}
public void set(MouseEvent e, SAMRecord sr) {
if (sr == null) return;
StringBuffer text = new StringBuffer();
text.append("<html>");
if (sr != null) {
text.append(
MessageManager.getString("shortreadtrack.name") + " " + sr.getReadName() + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.len") + " " + sr.getReadLength() + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.cigar") + " " + sr.getCigarString() + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.sequence")
+ " "
+ rerun(sr.getReadString())
+ "<br/>");
text.append(
MessageManager.getString("shortreadtrack.paired")
+ " "
+ sr.getReadPairedFlag()
+ "<br/>");
if (sr.getReadPairedFlag()) {
if (!sr.getMateUnmappedFlag())
text.append(
MessageManager.getString("shortreadtrack.mate")
+ " "
+ sr.getMateReferenceName()
+ ":"
+ sr.getMateAlignmentStart()
+ "<br/>");
else text.append(MessageManager.getString("shortreadtrack.mate_missing") + "<br/>");
text.append(
MessageManager.getString("shortreadtrack.second") + " " + sr.getFirstOfPairFlag());
}
// text.append("<br/>");
}
text.append("</html>");
if (!text.toString().equals(floater.getText())) {
floater.setText(text.toString());
this.pack();
}
setLocation(e.getXOnScreen() + 5, e.getYOnScreen() + 5);
if (!isVisible()) {
setVisible(true);
}
}
public void acceptRecord(final SAMRecordAndReference args) {
final SAMRecord rec = args.getSamRecord();
final ReferenceSequence ref = args.getReferenceSequence();
if (rec.getReadPairedFlag()) {
if (rec.getFirstOfPairFlag()) {
firstOfPairCollector.addRecord(rec, ref);
} else {
secondOfPairCollector.addRecord(rec, ref);
}
pairCollector.addRecord(rec, ref);
} else {
unpairedCollector.addRecord(rec, ref);
}
}
/**
* Get the best aligned read, chosen randomly from the pile of best alignments.
*
* @param read Read to align.
* @param newHeader New header to apply to this SAM file. Can be null, but if so, read header must
* be valid.
* @return Read with injected alignment data.
*/
@Override
public SAMRecord align(final SAMRecord read, final SAMFileHeader newHeader) {
if (bwtFiles.autogenerated)
throw new UnsupportedOperationException(
"Cannot create target alignment; source contig was generated ad-hoc and is not reliable");
return Alignment.convertToRead(getBestAlignment(read.getReadBases()), read, newHeader);
}
/**
* Finds the adaptor boundary around the read and returns the first base inside the adaptor that
* is closest to the read boundary. If the read is in the positive strand, this is the first base
* after the end of the fragment (Picard calls it 'insert'), if the read is in the negative
* strand, this is the first base before the beginning of the fragment.
*
* <p>There are two cases we need to treat here:
*
* <p>1) Our read is in the reverse strand :
*
* <p><----------------------| * |--------------------->
*
* <p>in these cases, the adaptor boundary is at the mate start (minus one)
*
* <p>2) Our read is in the forward strand :
*
* <p>|----------------------> * <----------------------|
*
* <p>in these cases the adaptor boundary is at the start of the read plus the inferred insert
* size (plus one)
*
* @param read the read being tested for the adaptor boundary
* @return the reference coordinate for the adaptor boundary (effectively the first base IN the
* adaptor, closest to the read. NULL if the read is unmapped or the mate is mapped to another
* contig.
*/
public static Integer getAdaptorBoundary(final SAMRecord read) {
final int MAXIMUM_ADAPTOR_LENGTH = 8;
final int insertSize =
Math.abs(
read
.getInferredInsertSize()); // the inferred insert size can be negative if the mate
// is mapped before the read (so we take the absolute
// value)
if (insertSize == 0
|| read
.getReadUnmappedFlag()) // no adaptors in reads with mates in another chromosome or
// unmapped pairs
return null;
Integer
adaptorBoundary; // the reference coordinate for the adaptor boundary (effectively the first
// base IN the adaptor, closest to the read)
if (read.getReadNegativeStrandFlag())
adaptorBoundary = read.getMateAlignmentStart() - 1; // case 1 (see header)
else adaptorBoundary = read.getAlignmentStart() + insertSize + 1; // case 2 (see header)
if ((adaptorBoundary < read.getAlignmentStart() - MAXIMUM_ADAPTOR_LENGTH)
|| (adaptorBoundary > read.getAlignmentEnd() + MAXIMUM_ADAPTOR_LENGTH))
adaptorBoundary =
null; // we are being conservative by not allowing the adaptor boundary to go beyond what
// we belive is the maximum size of an adaptor
return adaptorBoundary;
}
private static void resetAttributes(
SAMRecord rec, List<String> optFieldTags, List<Object> optFieldValues) {
ListIterator<String> iterTags = optFieldTags.listIterator();
ListIterator<Object> iterValues = optFieldValues.listIterator();
while (iterTags.hasNext()) {
rec.setAttribute(iterTags.next(), iterValues.next());
}
}
/**
* checks if the read has a platform tag in the readgroup equal to 'name'. Assumes that 'name' is
* upper-cased.
*
* @param read the read to test
* @param name the upper-cased platform name to test
* @return whether or not name == PL tag in the read group of read
*/
public static boolean isPlatformRead(SAMRecord read, String name) {
SAMReadGroupRecord readGroup = read.getReadGroup();
if (readGroup != null) {
Object readPlatformAttr = readGroup.getAttribute("PL");
if (readPlatformAttr != null) return readPlatformAttr.toString().toUpperCase().contains(name);
}
return false;
}
public void addRecord(final SAMRecord record, final ReferenceSequence ref) {
if (record.isSecondaryOrSupplementary()) {
// only want 1 count per read so skip non primary alignments
return;
}
collectReadData(record, ref);
collectQualityData(record, ref);
}
protected int doWork() {
IoUtil.assertFileIsReadable(INPUT);
IoUtil.assertFileIsWritable(OUTPUT);
final SAMFileReader in = new SAMFileReader(INPUT);
// create the read group we'll be using
final SAMReadGroupRecord rg = new SAMReadGroupRecord(RGID);
rg.setLibrary(RGLB);
rg.setPlatform(RGPL);
rg.setSample(RGSM);
rg.setPlatformUnit(RGPU);
if (RGCN != null) rg.setSequencingCenter(RGCN);
if (RGDS != null) rg.setDescription(RGDS);
if (RGDT != null) rg.setRunDate(RGDT);
log.info(
String.format(
"Created read group ID=%s PL=%s LB=%s SM=%s%n",
rg.getId(), rg.getPlatform(), rg.getLibrary(), rg.getSample()));
// create the new header and output file
final SAMFileHeader inHeader = in.getFileHeader();
final SAMFileHeader outHeader = inHeader.clone();
outHeader.setReadGroups(Arrays.asList(rg));
if (SORT_ORDER != null) outHeader.setSortOrder(SORT_ORDER);
final SAMFileWriter outWriter =
new SAMFileWriterFactory()
.makeSAMOrBAMWriter(
outHeader, outHeader.getSortOrder() == inHeader.getSortOrder(), OUTPUT);
final ProgressLogger progress = new ProgressLogger(log);
for (final SAMRecord read : in) {
read.setAttribute(SAMTag.RG.name(), RGID);
outWriter.addAlignment(read);
progress.record(read);
}
// cleanup
in.close();
outWriter.close();
return 0;
}
/**
* The sorting by alignment start is not stable. Therefore we use an integere value here,
* which is incremented for each record added/
*
* @param o1
* @param o2
* @return
*/
@Override
public int compare(SAMRecord o1, SAMRecord o2) {
int result = o1.getAlignmentStart() - o2.getAlignmentStart();
if (result != 0) return result;
int c1 = (Integer) o1.getAttribute("X~");
int c2 = (Integer) o2.getAttribute("X~");
return c1 - c2;
// result = o1.getReadLength() - o2.getReadLength();
// if (result != 0)
// return result;
//
// result = o1.getReadString().compareTo(o2.getReadString());
// if (result != 0)
// return result;
//
// result = o1.getReadName().compareTo(o2.getReadName());
// return result;
}
@Test
public void basicUnmappedIteratorTest() {
StingSAMIterator iter = ArtificialSAMUtils.mappedAndUnmappedReadIterator(1, 100, 100, 1000);
int count = 0;
for (int x = 0; x < (100 * 100); x++) {
if (!iter.hasNext()) {
fail("we didn't get the expected number of reads");
}
SAMRecord rec = iter.next();
assertTrue(rec.getReferenceIndex() >= 0);
count++;
}
assertEquals(100 * 100, count);
// now we should have 1000 unmapped reads
count = 0;
while (iter.hasNext()) {
SAMRecord rec = iter.next();
assertTrue(rec.getReferenceIndex() < 0);
count++;
}
assertEquals(count, 1000);
}
/**
* Test to make sure that reads supporting only an indel (example cigar string: 76I) are
* represented properly
*/
@Test
public void testWholeIndelReadRepresentedTest() {
final int firstLocus = 44367788, secondLocus = firstLocus + 1;
SAMRecord read1 = ArtificialSAMUtils.createArtificialRead(header, "read1", 0, secondLocus, 1);
read1.setReadBases(Utils.dupBytes((byte) 'A', 1));
read1.setBaseQualities(Utils.dupBytes((byte) '@', 1));
read1.setCigarString("1I");
List<SAMRecord> reads = Arrays.asList(read1);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(reads, createTestReadProperties());
while (li.hasNext()) {
AlignmentContext alignmentContext = li.next();
ReadBackedPileup p = alignmentContext.getBasePileup();
Assert.assertTrue(p.getNumberOfElements() == 1);
PileupElement pe = p.iterator().next();
Assert.assertTrue(pe.isBeforeInsertion());
Assert.assertFalse(pe.isAfterInsertion());
Assert.assertEquals(pe.getEventBases(), "A");
}
SAMRecord read2 = ArtificialSAMUtils.createArtificialRead(header, "read2", 0, secondLocus, 10);
read2.setReadBases(Utils.dupBytes((byte) 'A', 10));
read2.setBaseQualities(Utils.dupBytes((byte) '@', 10));
read2.setCigarString("10I");
reads = Arrays.asList(read2);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(reads, createTestReadProperties());
while (li.hasNext()) {
AlignmentContext alignmentContext = li.next();
ReadBackedPileup p = alignmentContext.getBasePileup();
Assert.assertTrue(p.getNumberOfElements() == 1);
PileupElement pe = p.iterator().next();
Assert.assertTrue(pe.isBeforeInsertion());
Assert.assertFalse(pe.isAfterInsertion());
Assert.assertEquals(pe.getEventBases(), "AAAAAAAAAA");
}
}
private static void removeMateInfo(SAMRecord rec) {
if (rec.getReadPairedFlag()) {
// Remove all information of its mate
// flag
rec.setProperPairFlag(false); // not paired any more
rec.setMateUnmappedFlag(false);
rec.setMateNegativeStrandFlag(false);
// entries
rec.setMateReferenceIndex(SAMRecord.NO_ALIGNMENT_REFERENCE_INDEX);
rec.setMateAlignmentStart(0);
rec.setInferredInsertSize(0);
// TODO: remove tags and values that are mate pair inclined.
}
}
/**
* Get a iterator of aligned reads, batched by mapping quality.
*
* @param read Read to align.
* @param newHeader Optional new header to use when aligning the read. If present, it must be
* null.
* @return Iterator to alignments.
*/
@Override
public Iterable<SAMRecord[]> alignAll(final SAMRecord read, final SAMFileHeader newHeader) {
if (bwtFiles.autogenerated)
throw new UnsupportedOperationException(
"Cannot create target alignment; source contig was generated ad-hoc and is not reliable");
final Iterable<Alignment[]> alignments = getAllAlignments(read.getReadBases());
return new Iterable<SAMRecord[]>() {
public Iterator<SAMRecord[]> iterator() {
final Iterator<Alignment[]> alignmentIterator = alignments.iterator();
return new Iterator<SAMRecord[]>() {
/**
* Whether all alignments have been seen based on the current position.
*
* @return True if any more alignments are pending. False otherwise.
*/
public boolean hasNext() {
return alignmentIterator.hasNext();
}
/**
* Return the next cross-section of alignments, based on mapping quality.
*
* @return Array of the next set of alignments of a given mapping quality.
*/
public SAMRecord[] next() {
Alignment[] alignmentsOfQuality = alignmentIterator.next();
SAMRecord[] reads = new SAMRecord[alignmentsOfQuality.length];
for (int i = 0; i < alignmentsOfQuality.length; i++) {
reads[i] = Alignment.convertToRead(alignmentsOfQuality[i], read, newHeader);
}
return reads;
}
/** Unsupported. */
public void remove() {
throw new UnsupportedOperationException("Cannot remove from an alignment iterator");
}
};
}
};
}
@Test
public void testIndelsInRegularPileup() {
final byte[] bases = new byte[] {'A', 'A', 'A', 'A', 'A', 'A', 'A', 'A', 'A', 'A'};
final byte[] indelBases =
new byte[] {'A', 'A', 'A', 'A', 'C', 'T', 'A', 'A', 'A', 'A', 'A', 'A'};
// create a test version of the Reads object
ReadProperties readAttributes = createTestReadProperties();
SAMRecord before = ArtificialSAMUtils.createArtificialRead(header, "before", 0, 1, 10);
before.setReadBases(bases);
before.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
before.setCigarString("10M");
SAMRecord during = ArtificialSAMUtils.createArtificialRead(header, "during", 0, 2, 10);
during.setReadBases(indelBases);
during.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
during.setCigarString("4M2I6M");
SAMRecord after = ArtificialSAMUtils.createArtificialRead(header, "after", 0, 3, 10);
after.setReadBases(bases);
after.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
after.setCigarString("10M");
List<SAMRecord> reads = Arrays.asList(before, during, after);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(reads, readAttributes);
boolean foundIndel = false;
while (li.hasNext()) {
AlignmentContext context = li.next();
ReadBackedPileup pileup = context.getBasePileup().getBaseFilteredPileup(10);
for (PileupElement p : pileup) {
if (p.isBeforeInsertion()) {
foundIndel = true;
Assert.assertEquals(p.getEventLength(), 2, "Wrong event length");
Assert.assertEquals(p.getEventBases(), "CT", "Inserted bases are incorrect");
break;
}
}
}
Assert.assertTrue(foundIndel, "Indel in pileup not found");
}
@Test
public void testXandEQOperators() {
final byte[] bases1 = new byte[] {'A', 'A', 'A', 'A', 'A', 'A', 'A', 'A', 'A', 'A'};
final byte[] bases2 = new byte[] {'A', 'A', 'A', 'C', 'A', 'A', 'A', 'A', 'A', 'C'};
// create a test version of the Reads object
ReadProperties readAttributes = createTestReadProperties();
SAMRecord r1 = ArtificialSAMUtils.createArtificialRead(header, "r1", 0, 1, 10);
r1.setReadBases(bases1);
r1.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
r1.setCigarString("10M");
SAMRecord r2 = ArtificialSAMUtils.createArtificialRead(header, "r2", 0, 1, 10);
r2.setReadBases(bases2);
r2.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
r2.setCigarString("3=1X5=1X");
SAMRecord r3 = ArtificialSAMUtils.createArtificialRead(header, "r3", 0, 1, 10);
r3.setReadBases(bases2);
r3.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
r3.setCigarString("3=1X5M1X");
SAMRecord r4 = ArtificialSAMUtils.createArtificialRead(header, "r4", 0, 1, 10);
r4.setReadBases(bases2);
r4.setBaseQualities(new byte[] {20, 20, 20, 20, 20, 20, 20, 20, 20, 20});
r4.setCigarString("10M");
List<SAMRecord> reads = Arrays.asList(r1, r2, r3, r4);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(reads, readAttributes);
while (li.hasNext()) {
AlignmentContext context = li.next();
ReadBackedPileup pileup = context.getBasePileup();
Assert.assertEquals(pileup.depthOfCoverage(), 4);
}
}
/** Steps forward on the genome. Returns false when done reading the read, true otherwise. */
public boolean stepForwardOnGenome() {
if (currentOperatorIndex == numOperators) return false;
CigarElement curElement = read.getCigar().getCigarElement(currentOperatorIndex);
if (currentPositionOnOperator >= curElement.getLength()) {
if (++currentOperatorIndex == numOperators) return false;
curElement = read.getCigar().getCigarElement(currentOperatorIndex);
currentPositionOnOperator = 0;
}
switch (curElement.getOperator()) {
case I: // insertion w.r.t. the reference
if (!sawMop) break;
case S: // soft clip
currentReadOffset += curElement.getLength();
case H: // hard clip
case P: // padding
currentOperatorIndex++;
return stepForwardOnGenome();
case D: // deletion w.r.t. the reference
case N: // reference skip (looks and gets processed just like a "deletion", just different
// logical meaning)
currentPositionOnOperator++;
break;
case M:
case EQ:
case X:
sawMop = true;
currentReadOffset++;
currentPositionOnOperator++;
break;
default:
throw new IllegalStateException("No support for cigar op: " + curElement.getOperator());
}
final boolean isFirstOp = currentOperatorIndex == 0;
final boolean isLastOp = currentOperatorIndex == numOperators - 1;
final boolean isFirstBaseOfOp = currentPositionOnOperator == 1;
final boolean isLastBaseOfOp = currentPositionOnOperator == curElement.getLength();
isBeforeDeletionStart =
isBeforeOp(
read.getCigar(), currentOperatorIndex, CigarOperator.D, isLastOp, isLastBaseOfOp);
isBeforeDeletedBase =
isBeforeDeletionStart || (!isLastBaseOfOp && curElement.getOperator() == CigarOperator.D);
isAfterDeletionEnd =
isAfterOp(
read.getCigar(), currentOperatorIndex, CigarOperator.D, isFirstOp, isFirstBaseOfOp);
isAfterDeletedBase =
isAfterDeletionEnd || (!isFirstBaseOfOp && curElement.getOperator() == CigarOperator.D);
isBeforeInsertion =
isBeforeOp(read.getCigar(), currentOperatorIndex, CigarOperator.I, isLastOp, isLastBaseOfOp)
|| (!sawMop && curElement.getOperator() == CigarOperator.I);
isAfterInsertion =
isAfterOp(
read.getCigar(), currentOperatorIndex, CigarOperator.I, isFirstOp, isFirstBaseOfOp);
isNextToSoftClip =
isBeforeOp(read.getCigar(), currentOperatorIndex, CigarOperator.S, isLastOp, isLastBaseOfOp)
|| isAfterOp(
read.getCigar(), currentOperatorIndex, CigarOperator.S, isFirstOp, isFirstBaseOfOp);
return true;
}
public LIBS_position(final SAMRecord read) {
this.read = read;
numOperators = read.getCigar().numCigarElements();
}
public void add(SAMRecord record) {
record.setAttribute("X~", counter++);
delegateQueue.add(record);
maxAlignmentStart = Math.max(maxAlignmentStart, record.getAlignmentStart());
}
/**
* Test to make sure that reads supporting only an indel (example cigar string: 76I) do not
* negatively influence the ordering of the pileup.
*/
@Test
public void testWholeIndelRead() {
final int firstLocus = 44367788, secondLocus = firstLocus + 1;
SAMRecord leadingRead =
ArtificialSAMUtils.createArtificialRead(header, "leading", 0, firstLocus, 76);
leadingRead.setReadBases(Utils.dupBytes((byte) 'A', 76));
leadingRead.setBaseQualities(Utils.dupBytes((byte) '@', 76));
leadingRead.setCigarString("1M75I");
SAMRecord indelOnlyRead =
ArtificialSAMUtils.createArtificialRead(header, "indelOnly", 0, secondLocus, 76);
indelOnlyRead.setReadBases(Utils.dupBytes((byte) 'A', 76));
indelOnlyRead.setBaseQualities(Utils.dupBytes((byte) '@', 76));
indelOnlyRead.setCigarString("76I");
SAMRecord fullMatchAfterIndel =
ArtificialSAMUtils.createArtificialRead(header, "fullMatch", 0, secondLocus, 76);
fullMatchAfterIndel.setReadBases(Utils.dupBytes((byte) 'A', 76));
fullMatchAfterIndel.setBaseQualities(Utils.dupBytes((byte) '@', 76));
fullMatchAfterIndel.setCigarString("75I1M");
List<SAMRecord> reads = Arrays.asList(leadingRead, indelOnlyRead, fullMatchAfterIndel);
// create the iterator by state with the fake reads and fake records
li = makeLTBS(reads, createTestReadProperties());
int currentLocus = firstLocus;
int numAlignmentContextsFound = 0;
while (li.hasNext()) {
AlignmentContext alignmentContext = li.next();
Assert.assertEquals(
alignmentContext.getLocation().getStart(),
currentLocus,
"Current locus returned by alignment context is incorrect");
if (currentLocus == firstLocus) {
List<GATKSAMRecord> readsAtLocus = alignmentContext.getBasePileup().getReads();
Assert.assertEquals(
readsAtLocus.size(), 1, "Wrong number of reads at locus " + currentLocus);
Assert.assertSame(
readsAtLocus.get(0),
leadingRead,
"leadingRead absent from pileup at locus " + currentLocus);
} else if (currentLocus == secondLocus) {
List<GATKSAMRecord> readsAtLocus = alignmentContext.getBasePileup().getReads();
Assert.assertEquals(
readsAtLocus.size(), 2, "Wrong number of reads at locus " + currentLocus);
Assert.assertSame(
readsAtLocus.get(0),
indelOnlyRead,
"indelOnlyRead absent from pileup at locus " + currentLocus);
Assert.assertSame(
readsAtLocus.get(1),
fullMatchAfterIndel,
"fullMatchAfterIndel absent from pileup at locus " + currentLocus);
}
currentLocus++;
numAlignmentContextsFound++;
}
Assert.assertEquals(
numAlignmentContextsFound, 2, "Found incorrect number of alignment contexts");
}
private SAMRecord doPoll() {
SAMRecord record = delegateQueue.poll();
if (record == null) return null;
record.setAttribute("X~", null);
return record;
}
public void dump() {
while (!delegateQueue.isEmpty()) {
SAMRecord r = doPoll();
System.out.println(r.getAlignmentStart() + "\t" + r.getReadName());
}
}