Resolving merge conflicts with LocusIteratorByState

This commit is contained in:
Ryan Poplin 2012-01-31 16:13:32 -05:00
commit 056b24ccd6
2 changed files with 44 additions and 38 deletions

View File

@ -11,6 +11,7 @@ import org.broadinstitute.sting.gatk.io.ThreadLocalOutputTracker;
import org.broadinstitute.sting.gatk.walkers.TreeReducible;
import org.broadinstitute.sting.gatk.walkers.Walker;
import org.broadinstitute.sting.utils.exceptions.ReviewedStingException;
import org.broadinstitute.sting.utils.exceptions.StingException;
import org.broadinstitute.sting.utils.threading.ThreadPoolMonitor;
import java.util.Collection;
@ -101,7 +102,7 @@ public class HierarchicalMicroScheduler extends MicroScheduler implements Hierar
while (isShardTraversePending() || isTreeReducePending()) {
// Check for errors during execution.
if(hasTraversalErrorOccurred())
throw new ReviewedStingException("An error has occurred during the traversal.",getTraversalError());
throw getTraversalError();
// Too many files sitting around taking up space? Merge them.
if (isMergeLimitExceeded())
@ -344,10 +345,15 @@ public class HierarchicalMicroScheduler extends MicroScheduler implements Hierar
return error != null;
}
private synchronized Throwable getTraversalError() {
private synchronized StingException getTraversalError() {
if(!hasTraversalErrorOccurred())
throw new ReviewedStingException("User has attempted to retrieve a traversal error when none exists");
return error;
// If the error is already a StingException, pass it along as is. Otherwise, wrap it.
if(error instanceof StingException)
return (StingException)error;
else
return new ReviewedStingException("An error occurred during the traversal.",error);
}
/**

View File

@ -74,16 +74,15 @@ public class LocusIteratorByState extends LocusIterator {
static private class SAMRecordState {
SAMRecord read;
int readOffset = -1; // how far are we offset from the start of the read bases?
int genomeOffset = -1; // how far are we offset from the alignment start on the genome?
int readOffset = -1; // how far are we offset from the start of the read bases?
int genomeOffset = -1; // how far are we offset from the alignment start on the genome?
Cigar cigar = null;
int cigarOffset = -1;
CigarElement curElement = null;
int nCigarElements = 0;
// how far are we into a single cigarElement
int cigarElementCounter = -1;
int cigarElementCounter = -1; // how far are we into a single cigarElement
// The logical model for generating extended events is as follows: the "record state" implements the traversal
// along the reference; thus stepForwardOnGenome() returns on every and only on actual reference bases. This
@ -93,19 +92,19 @@ public class LocusIteratorByState extends LocusIterator {
// stepForwardOnGenome(). The next call to stepForwardOnGenome() will clear that memory (as we remember only extended
// events immediately preceding the current reference base).
boolean generateExtendedEvents = true; // should we generate an additional, special pile for indels between the ref bases?
// the only purpose of this flag is to shield away a few additional lines of code
// when extended piles are not needed, it may not be even worth it...
boolean generateExtendedEvents = true; // should we generate an additional, special pile for indels between the ref bases?
// the only purpose of this flag is to shield away a few additional lines of code
// when extended piles are not needed, it may not be even worth it...
byte[] insertedBases = null; // remember full inserted sequence if we are generating piles of extended events (indels)
int eventLength = -1; // will be set to the length of insertion/deletion if we are generating piles of extended events
byte eventDelayedFlag = 0; // will be set to non-0 if there was an event (indel) right before the
// current base on the ref. We use a counter-like variable here since clearing the indel event is
// delayed by one base, so we need to remember how long ago we have seen the actual event
byte[] insertedBases = null; // remember full inserted sequence if we are generating piles of extended events (indels)
int eventLength = -1; // will be set to the length of insertion/deletion if we are generating piles of extended events
byte eventDelayedFlag = 0; // will be set to non-0 if there was an event (indel) right before the
// current base on the ref. We use a counter-like variable here since clearing the indel event is
// delayed by one base, so we need to remember how long ago we have seen the actual event
int eventStart = -1; // where on the read the extended event starts (i.e. the last position on the read prior to the
// event, or -1 if alignment starts with an insertion); this one is easy to recompute on the fly,
// we cache it here mainly for convenience
int eventStart = -1; // where on the read the extended event starts (i.e. the last position on the read prior to the
// event, or -1 if alignment starts with an insertion); this one is easy to recompute on the fly,
// we cache it here mainly for convenience
public SAMRecordState(SAMRecord read, boolean extended) {
@ -241,6 +240,8 @@ public class LocusIteratorByState extends LocusIterator {
readOffset += curElement.getLength();
break;
case D: // deletion w.r.t. the reference
if (readOffset < 0) // we don't want reads starting with deletion, this is a malformed cigar string
throw new UserException.MalformedBAM(read, "Read starting with deletion. Cigar: " + read.getCigarString());
if (generateExtendedEvents) {
if (cigarElementCounter == 1) {
// generate an extended event only if we just stepped into the deletion (i.e. don't
@ -403,9 +404,9 @@ public class LocusIteratorByState extends LocusIterator {
final int eventStartOffset = state.getReadEventStartOffset(); // this will be -1 if base is not a deletion, or if base is the first deletion in the event. Otherwise, it will give the last base before the deletion began.
final int eventLength = state.getEventLength();
// if (op != CigarOperator.N) // N's are never added to any pileup
// continue;
//
if (op == CigarOperator.N) // N's are never added to any pileup
continue;
if (state.hadIndel()) { // this read has an indel associated with the previous position on the ref
size++;
ExtendedEventPileupElement pileupElement;
@ -413,27 +414,26 @@ public class LocusIteratorByState extends LocusIterator {
nDeletions++;
maxDeletionLength = Math.max(maxDeletionLength, state.getEventLength());
pileupElement = new ExtendedEventPileupElement(read, eventStartOffset, eventLength);
}
}
else { // Insertion event
nInsertions++;
pileupElement = new ExtendedEventPileupElement(read, eventStartOffset, eventLength, state.getEventBases());
}
if (read.getMappingQuality() == 0)
nMQ0Reads++;
indelPile.add(pileupElement);
}
// this read has no indel associated with the previous position on the ref. Criteria to include in the pileup are:
// we only add reads that are not N's
// we only include deletions to the pileup if the walker requests it
else if ( (op != CigarOperator.N) && (op != CigarOperator.D || readInfo.includeReadsWithDeletionAtLoci())) {
// this read has no indel so add it to the pileup as a NOEVENT:
// a deletion that didn't start here (therefore, not an extended event)
// we add (mis)matches as no events.
else if (op != CigarOperator.D || readInfo.includeReadsWithDeletionAtLoci()) {
size++;
indelPile.add(new ExtendedEventPileupElement((GATKSAMRecord) state.getRead(), readOffset));
if (read.getMappingQuality() == 0)
nMQ0Reads++;
}
if (state.getRead().getMappingQuality() == 0)
nMQ0Reads++;
}
if (indelPile.size() != 0)
@ -461,25 +461,25 @@ public class LocusIteratorByState extends LocusIterator {
final CigarOperator op = state.getCurrentCigarOperator(); // current cigar operator
final CigarOperator nextOp = state.peekForwardOnGenome(); // next cigar operator
final int readOffset = state.getReadOffset(); // the base offset on this read
final int eventStartOffset = state.getReadEventStartOffset(); // this will be -1 if base is not a deletion, or if base is the first deletion in the event. Otherwise, it will give the last base before the deletion began.
if (op == CigarOperator.N) // N's are never added to any pileup
continue;
if (read.getMappingQuality() == 0)
nMQ0Reads++;
if (op == CigarOperator.D) {
if (readInfo.includeReadsWithDeletionAtLoci()) { // only add deletions to the pileup if we are authorized to do so
int leftAlignedStart = (eventStartOffset < 0) ? readOffset : eventStartOffset;
pile.add(new PileupElement(read, leftAlignedStart, true, nextOp == CigarOperator.I, nextOp == CigarOperator.S || (state.getGenomeOffset() == 0 && read.getSoftStart() != read.getAlignmentStart())));
pile.add(new PileupElement(read, readOffset, true, nextOp == CigarOperator.I, nextOp == CigarOperator.S || (state.getGenomeOffset() == 0 && read.getSoftStart() != read.getAlignmentStart())));
size++;
nDeletions++;
if (read.getMappingQuality() == 0)
nMQ0Reads++;
}
} else {
}
else {
if (!filterBaseInRead(read, location.getStart())) {
pile.add(new PileupElement(read, readOffset, false, nextOp == CigarOperator.I, nextOp == CigarOperator.S || (state.getGenomeOffset() == 0 && read.getSoftStart() != read.getAlignmentStart())));
size++;
if (read.getMappingQuality() == 0)
nMQ0Reads++;
}
}
}