X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FAlignmentUtils.java;h=343ebc7b948f2c7154229475d3783e05f7529b9b;hb=3587df3dbcbd892eedd41a42d9f4e02a8b1e96ce;hp=69ac9472d0a82321fdd330bdd09699d08f92114e;hpb=b9d3d1f71c6a8aee09cd23e1303b062cbe43a239;p=jalview.git diff --git a/src/jalview/analysis/AlignmentUtils.java b/src/jalview/analysis/AlignmentUtils.java index 69ac947..343ebc7 100644 --- a/src/jalview/analysis/AlignmentUtils.java +++ b/src/jalview/analysis/AlignmentUtils.java @@ -117,7 +117,7 @@ public class AlignmentUtils */ public static AlignmentI expandContext(AlignmentI core, int flankSize) { - List sq = new ArrayList(); + List sq = new ArrayList<>(); int maxoffset = 0; for (SequenceI s : core.getSequences()) { @@ -170,10 +170,12 @@ public class AlignmentUtils } } // TODO use Character.toLowerCase to avoid creating String objects? - char[] upstream = new String(ds.getSequence(s.getStart() - 1 - - ustream_ds, s.getStart() - 1)).toLowerCase().toCharArray(); - char[] downstream = new String(ds.getSequence(s_end - 1, s_end - + dstream_ds)).toLowerCase().toCharArray(); + char[] upstream = new String(ds + .getSequence(s.getStart() - 1 - ustream_ds, s.getStart() - 1)) + .toLowerCase().toCharArray(); + char[] downstream = new String( + ds.getSequence(s_end - 1, s_end + dstream_ds)).toLowerCase() + .toCharArray(); char[] coreseq = s.getSequence(); char[] nseq = new char[offset + upstream.length + downstream.length + coreseq.length]; @@ -188,8 +190,8 @@ public class AlignmentUtils System.arraycopy(upstream, 0, nseq, p, upstream.length); System.arraycopy(coreseq, 0, nseq, p + upstream.length, coreseq.length); - System.arraycopy(downstream, 0, nseq, p + coreseq.length - + upstream.length, downstream.length); + System.arraycopy(downstream, 0, nseq, + p + coreseq.length + upstream.length, downstream.length); s.setSequence(new String(nseq)); s.setStart(s.getStart() - ustream_ds); s.setEnd(s_end + downstream.length); @@ -245,7 +247,7 @@ public class AlignmentUtils public static Map> getSequencesByName( AlignmentI al) { - Map> theMap = new LinkedHashMap>(); + Map> theMap = new LinkedHashMap<>(); for (SequenceI seq : al.getSequences()) { String name = seq.getName(); @@ -254,7 +256,7 @@ public class AlignmentUtils List seqs = theMap.get(name); if (seqs == null) { - seqs = new ArrayList(); + seqs = new ArrayList<>(); theMap.put(name, seqs); } seqs.add(seq); @@ -281,8 +283,8 @@ public class AlignmentUtils return false; } - Set mappedDna = new HashSet(); - Set mappedProtein = new HashSet(); + Set mappedDna = new HashSet<>(); + Set mappedProtein = new HashSet<>(); /* * First pass - map sequences where cross-references exist. This include @@ -316,9 +318,9 @@ public class AlignmentUtils * @return */ protected static boolean mapProteinToCdna( - final AlignmentI proteinAlignment, - final AlignmentI cdnaAlignment, Set mappedDna, - Set mappedProtein, boolean xrefsOnly) + final AlignmentI proteinAlignment, final AlignmentI cdnaAlignment, + Set mappedDna, Set mappedProtein, + boolean xrefsOnly) { boolean mappingExistsOrAdded = false; List thisSeqs = proteinAlignment.getSequences(); @@ -347,9 +349,8 @@ public class AlignmentUtils * Don't map non-xrefd sequences more than once each. This heuristic * allows us to pair up similar sequences in ordered alignments. */ - if (!xrefsOnly - && (mappedProtein.contains(aaSeq) || mappedDna - .contains(cdnaSeq))) + if (!xrefsOnly && (mappedProtein.contains(aaSeq) + || mappedDna.contains(cdnaSeq))) { continue; } @@ -402,7 +403,8 @@ public class AlignmentUtils /** * Builds a mapping (if possible) of a cDNA to a protein sequence. *
    - *
  • first checks if the cdna translates exactly to the protein sequence
    • + *
  • first checks if the cdna translates exactly to the protein + * sequence
    • *
  • else checks for translation after removing a STOP codon
    • *
  • else checks for translation after removing a START codon
    • *
  • if that fails, inspect CDS features on the cDNA sequence
    • @@ -424,8 +426,9 @@ public class AlignmentUtils * String objects. */ final SequenceI proteinDataset = proteinSeq.getDatasetSequence(); - char[] aaSeqChars = proteinDataset != null ? proteinDataset - .getSequence() : proteinSeq.getSequence(); + char[] aaSeqChars = proteinDataset != null + ? proteinDataset.getSequence() + : proteinSeq.getSequence(); final SequenceI cdnaDataset = cdnaSeq.getDatasetSequence(); char[] cdnaSeqChars = cdnaDataset != null ? cdnaDataset.getSequence() : cdnaSeq.getSequence(); @@ -466,8 +469,7 @@ public class AlignmentUtils * If lengths still don't match, try ignoring start codon. */ int startOffset = 0; - if (cdnaLength != mappedLength - && cdnaLength > 2 + if (cdnaLength != mappedLength && cdnaLength > 2 && String.valueOf(cdnaSeqChars, 0, CODON_LENGTH).toUpperCase() .equals(ResidueProperties.START)) { @@ -481,8 +483,9 @@ public class AlignmentUtils /* * protein is translation of dna (+/- start/stop codons) */ - MapList map = new MapList(new int[] { cdnaStart, cdnaEnd }, new int[] - { proteinStart, proteinEnd }, CODON_LENGTH, 1); + MapList map = new MapList(new int[] { cdnaStart, cdnaEnd }, + new int[] + { proteinStart, proteinEnd }, CODON_LENGTH, 1); return map; } @@ -512,7 +515,8 @@ public class AlignmentUtils int aaPos = 0; int dnaPos = cdnaStart; - for (; dnaPos < cdnaSeqChars.length - 2 && aaPos < aaSeqChars.length; dnaPos += CODON_LENGTH, aaPos++) + for (; dnaPos < cdnaSeqChars.length - 2 + && aaPos < aaSeqChars.length; dnaPos += CODON_LENGTH, aaPos++) { String codon = String.valueOf(cdnaSeqChars, dnaPos, CODON_LENGTH); final String translated = ResidueProperties.codonTranslate(codon); @@ -631,10 +635,9 @@ public class AlignmentUtils * @param preserveUnmappedGaps * @param preserveMappedGaps */ - public static void alignSequenceAs(SequenceI alignTo, - SequenceI alignFrom, AlignedCodonFrame mapping, String myGap, - char sourceGap, boolean preserveMappedGaps, - boolean preserveUnmappedGaps) + public static void alignSequenceAs(SequenceI alignTo, SequenceI alignFrom, + AlignedCodonFrame mapping, String myGap, char sourceGap, + boolean preserveMappedGaps, boolean preserveUnmappedGaps) { // TODO generalise to work for Protein-Protein, dna-dna, dna-protein @@ -650,15 +653,16 @@ public class AlignmentUtils int toOffset = alignTo.getStart() - 1; int sourceGapMappedLength = 0; boolean inExon = false; - final char[] thisSeq = alignTo.getSequence(); - final char[] thatAligned = alignFrom.getSequence(); - StringBuilder thisAligned = new StringBuilder(2 * thisSeq.length); + final int toLength = alignTo.getLength(); + final int fromLength = alignFrom.getLength(); + StringBuilder thisAligned = new StringBuilder(2 * toLength); /* * Traverse the 'model' aligned sequence */ - for (char sourceChar : thatAligned) + for (int i = 0; i < fromLength; i++) { + char sourceChar = alignFrom.getCharAt(i); if (sourceChar == sourceGap) { sourceGapMappedLength += ratio; @@ -698,9 +702,9 @@ public class AlignmentUtils */ int intronLength = 0; while (basesWritten + toOffset < mappedCodonEnd - && thisSeqPos < thisSeq.length) + && thisSeqPos < toLength) { - final char c = thisSeq[thisSeqPos++]; + final char c = alignTo.getCharAt(thisSeqPos++); if (c != myGapChar) { basesWritten++; @@ -726,7 +730,7 @@ public class AlignmentUtils int gapsToAdd = calculateGapsToInsert(preserveMappedGaps, preserveUnmappedGaps, sourceGapMappedLength, inExon, trailingCopiedGap.length(), intronLength, startOfCodon); - for (int i = 0; i < gapsToAdd; i++) + for (int k = 0; k < gapsToAdd; k++) { thisAligned.append(myGapChar); } @@ -754,9 +758,9 @@ public class AlignmentUtils * At end of model aligned sequence. Copy any remaining target sequence, optionally * including (intron) gaps. */ - while (thisSeqPos < thisSeq.length) + while (thisSeqPos < toLength) { - final char c = thisSeq[thisSeqPos++]; + final char c = alignTo.getCharAt(thisSeqPos++); if (c != myGapChar || preserveUnmappedGaps) { thisAligned.append(c); @@ -829,8 +833,9 @@ public class AlignmentUtils } else { - gapsToAdd = Math.min(intronLength + trailingGapLength - - sourceGapMappedLength, trailingGapLength); + gapsToAdd = Math.min( + intronLength + trailingGapLength - sourceGapMappedLength, + trailingGapLength); } } } @@ -865,7 +870,7 @@ public class AlignmentUtils System.err.println("Wrong alignment type in alignProteinAsDna"); return 0; } - List unmappedProtein = new ArrayList(); + List unmappedProtein = new ArrayList<>(); Map> alignedCodons = buildCodonColumnsMap( protein, dna, unmappedProtein); return alignProteinAs(protein, alignedCodons, unmappedProtein); @@ -929,7 +934,8 @@ public class AlignmentUtils * @return */ static boolean alignCdsSequenceAsProtein(SequenceI cdsSeq, - AlignmentI protein, List mappings, char gapChar) + AlignmentI protein, List mappings, + char gapChar) { SequenceI cdsDss = cdsSeq.getDatasetSequence(); if (cdsDss == null) @@ -946,7 +952,7 @@ public class AlignmentUtils SequenceI peptide = mapping.findAlignedSequence(cdsSeq, protein); if (peptide != null) { - int peptideLength = peptide.getLength(); + final int peptideLength = peptide.getLength(); Mapping map = mapping.getMappingBetween(cdsSeq, peptide); if (map != null) { @@ -955,21 +961,20 @@ public class AlignmentUtils { mapList = mapList.getInverse(); } - int cdsLength = cdsDss.getLength(); + final int cdsLength = cdsDss.getLength(); int mappedFromLength = MappingUtils.getLength(mapList .getFromRanges()); int mappedToLength = MappingUtils .getLength(mapList.getToRanges()); boolean addStopCodon = (cdsLength == mappedFromLength * CODON_LENGTH + CODON_LENGTH) - || (peptide.getDatasetSequence().getLength() == mappedFromLength - 1); + || (peptide.getDatasetSequence() + .getLength() == mappedFromLength - 1); if (cdsLength != mappedToLength && !addStopCodon) { - System.err - .println(String - .format("Can't align cds as protein (length mismatch %d/%d): %s", - cdsLength, mappedToLength, - cdsSeq.getName())); + System.err.println(String.format( + "Can't align cds as protein (length mismatch %d/%d): %s", + cdsLength, mappedToLength, cdsSeq.getName())); } /* @@ -983,14 +988,15 @@ public class AlignmentUtils * walk over the aligned peptide sequence and insert mapped * codons for residues in the aligned cds sequence */ - char[] alignedPeptide = peptide.getSequence(); - char[] nucleotides = cdsDss.getSequence(); int copiedBases = 0; int cdsStart = cdsDss.getStart(); int proteinPos = peptide.getStart() - 1; int cdsCol = 0; - for (char residue : alignedPeptide) + + for (int col = 0; col < peptideLength; col++) { + char residue = peptide.getCharAt(col); + if (Comparison.isGap(residue)) { cdsCol += CODON_LENGTH; @@ -1008,7 +1014,7 @@ public class AlignmentUtils { for (int j = codon[0]; j <= codon[1]; j++) { - char mappedBase = nucleotides[j - cdsStart]; + char mappedBase = cdsDss.getCharAt(j - cdsStart); alignedCds[cdsCol++] = mappedBase; copiedBases++; } @@ -1020,7 +1026,7 @@ public class AlignmentUtils * append stop codon if not mapped from protein, * closing it up to the end of the mapped sequence */ - if (copiedBases == nucleotides.length - CODON_LENGTH) + if (copiedBases == cdsLength - CODON_LENGTH) { for (int i = alignedCds.length - 1; i >= 0; i--) { @@ -1030,9 +1036,9 @@ public class AlignmentUtils break; } } - for (int i = nucleotides.length - CODON_LENGTH; i < nucleotides.length; i++) + for (int i = cdsLength - CODON_LENGTH; i < cdsLength; i++) { - alignedCds[cdsCol++] = nucleotides[i]; + alignedCds[cdsCol++] = cdsDss.getCharAt(i); } } cdsSeq.setSequence(new String(alignedCds)); @@ -1075,7 +1081,7 @@ public class AlignmentUtils * {dnaSequence, {proteinSequence, codonProduct}} at that position. The * comparator keeps the codon positions ordered. */ - Map> alignedCodons = new TreeMap>( + Map> alignedCodons = new TreeMap<>( new CodonComparator()); for (SequenceI dnaSeq : dna.getSequences()) @@ -1086,8 +1092,8 @@ public class AlignmentUtils if (prot != null) { Mapping seqMap = mapping.getMappingForSequence(dnaSeq); - addCodonPositions(dnaSeq, prot, protein.getGapCharacter(), - seqMap, alignedCodons); + addCodonPositions(dnaSeq, prot, protein.getGapCharacter(), seqMap, + alignedCodons); unmappedProtein.remove(prot); } } @@ -1121,9 +1127,9 @@ public class AlignmentUtils // TODO delete this ugly hack once JAL-2022 is resolved // i.e. we can model startPhase > 0 (incomplete start codon) - List sequencesChecked = new ArrayList(); + List sequencesChecked = new ArrayList<>(); AlignedCodon lastCodon = null; - Map toAdd = new HashMap(); + Map toAdd = new HashMap<>(); for (Entry> entry : alignedCodons .entrySet()) @@ -1140,8 +1146,8 @@ public class AlignmentUtils AlignedCodon codon = sequenceCodon.getValue(); if (codon.peptideCol > 1) { - System.err - .println("Problem mapping protein with >1 unmapped start positions: " + System.err.println( + "Problem mapping protein with >1 unmapped start positions: " + seq.getName()); } else if (codon.peptideCol == 1) @@ -1152,8 +1158,8 @@ public class AlignmentUtils if (lastCodon != null) { AlignedCodon firstPeptide = new AlignedCodon(lastCodon.pos1, - lastCodon.pos2, lastCodon.pos3, String.valueOf(seq - .getCharAt(0)), 0); + lastCodon.pos2, lastCodon.pos3, + String.valueOf(seq.getCharAt(0)), 0); toAdd.put(seq, firstPeptide); } else @@ -1202,21 +1208,26 @@ public class AlignmentUtils List unmappedProtein) { /* - * Prefill aligned sequences with gaps before inserting aligned protein - * residues. + * prefill peptide sequences with gaps */ int alignedWidth = alignedCodons.size(); char[] gaps = new char[alignedWidth]; Arrays.fill(gaps, protein.getGapCharacter()); - String allGaps = String.valueOf(gaps); + Map peptides = new HashMap<>(); for (SequenceI seq : protein.getSequences()) { if (!unmappedProtein.contains(seq)) { - seq.setSequence(allGaps); + peptides.put(seq, Arrays.copyOf(gaps, gaps.length)); } } + /* + * Traverse the codons left to right (as defined by CodonComparator) + * and insert peptides in each column where the sequence is mapped. + * This gives a peptide 'alignment' where residues are aligned if their + * corresponding codons occupy the same columns in the cdna alignment. + */ int column = 0; for (AlignedCodon codon : alignedCodons.keySet()) { @@ -1224,12 +1235,20 @@ public class AlignmentUtils .get(codon); for (Entry entry : columnResidues.entrySet()) { - // place translated codon at its column position in sequence - entry.getKey().getSequence()[column] = entry.getValue().product - .charAt(0); + char residue = entry.getValue().product.charAt(0); + peptides.get(entry.getKey())[column] = residue; } column++; } + + /* + * and finally set the constructed sequences + */ + for (Entry entry : peptides.entrySet()) + { + entry.getKey().setSequence(new String(entry.getValue())); + } + return 0; } @@ -1289,7 +1308,7 @@ public class AlignmentUtils Map seqProduct = alignedCodons.get(codon); if (seqProduct == null) { - seqProduct = new HashMap(); + seqProduct = new HashMap<>(); alignedCodons.put(codon, seqProduct); } seqProduct.put(protein, codon); @@ -1302,7 +1321,8 @@ public class AlignmentUtils *
      *
    • One alignment must be nucleotide, and the other protein
      • *
    • At least one pair of sequences must be already mapped, or mappable
      • - *
    • Mappable means the nucleotide translation matches the protein sequence
      • + *
    • Mappable means the nucleotide translation matches the protein + * sequence
      • *
    • The translation may ignore start and stop codons if present in the * nucleotide
      • *
    @@ -1358,9 +1378,10 @@ public class AlignmentUtils return false; } - SequenceI dnaDs = dnaSeq.getDatasetSequence() == null ? dnaSeq : dnaSeq - .getDatasetSequence(); - SequenceI proteinDs = proteinSeq.getDatasetSequence() == null ? proteinSeq + SequenceI dnaDs = dnaSeq.getDatasetSequence() == null ? dnaSeq + : dnaSeq.getDatasetSequence(); + SequenceI proteinDs = proteinSeq.getDatasetSequence() == null + ? proteinSeq : proteinSeq.getDatasetSequence(); for (AlignedCodonFrame mapping : mappings) @@ -1397,8 +1418,7 @@ public class AlignmentUtils * the alignment to check for presence of annotations */ public static void findAddableReferenceAnnotations( - List sequenceScope, - Map labelForCalcId, + List sequenceScope, Map labelForCalcId, final Map> candidates, AlignmentI al) { @@ -1425,7 +1445,7 @@ public class AlignmentUtils { continue; } - final List result = new ArrayList(); + final List result = new ArrayList<>(); for (AlignmentAnnotation dsann : datasetAnnotations) { /* @@ -1502,8 +1522,8 @@ public class AlignmentUtils /** * Set visibility of alignment annotations of specified types (labels), for - * specified sequences. This supports controls like - * "Show all secondary structure", "Hide all Temp factor", etc. + * specified sequences. This supports controls like "Show all secondary + * structure", "Hide all Temp factor", etc. * * @al the alignment to scan for annotations * @param types @@ -1527,9 +1547,8 @@ public class AlignmentUtils { if (anyType || types.contains(aa.label)) { - if ((aa.sequenceRef != null) - && (forSequences == null || forSequences - .contains(aa.sequenceRef))) + if ((aa.sequenceRef != null) && (forSequences == null + || forSequences.contains(aa.sequenceRef))) { aa.visible = doShow; } @@ -1608,17 +1627,17 @@ public class AlignmentUtils throw new IllegalArgumentException( "IMPLEMENTATION ERROR: dataset.getDataset() must be null!"); } - List foundSeqs = new ArrayList(); - List cdsSeqs = new ArrayList(); + List foundSeqs = new ArrayList<>(); + List cdsSeqs = new ArrayList<>(); List mappings = dataset.getCodonFrames(); HashSet productSeqs = null; if (products != null) { - productSeqs = new HashSet(); + productSeqs = new HashSet<>(); for (SequenceI seq : products) { - productSeqs.add(seq.getDatasetSequence() == null ? seq : seq - .getDatasetSequence()); + productSeqs.add(seq.getDatasetSequence() == null ? seq + : seq.getDatasetSequence()); } } @@ -1711,8 +1730,9 @@ public class AlignmentUtils /* * add a mapping from CDS to the (unchanged) mapped to range */ - List cdsRange = Collections.singletonList(new int[] { 1, - cdsSeq.getLength() }); + List cdsRange = Collections + .singletonList(new int[] + { 1, cdsSeq.getLength() }); MapList cdsToProteinMap = new MapList(cdsRange, mapList.getToRanges(), mapList.getFromRatio(), mapList.getToRatio()); @@ -1777,12 +1797,11 @@ public class AlignmentUtils // 'CDS|emblcdsacc' // assuming cds version same as dna ?!? - DBRefEntry proteinToCdsRef = new DBRefEntry( - primRef.getSource(), primRef.getVersion(), - cdsSeq.getName()); + DBRefEntry proteinToCdsRef = new DBRefEntry(primRef.getSource(), + primRef.getVersion(), cdsSeq.getName()); // - proteinToCdsRef.setMap(new Mapping(cdsSeqDss, cdsToProteinMap - .getInverse())); + proteinToCdsRef.setMap( + new Mapping(cdsSeqDss, cdsToProteinMap.getInverse())); proteinProduct.addDBRef(proteinToCdsRef); } @@ -1795,8 +1814,8 @@ public class AlignmentUtils } } - AlignmentI cds = new Alignment(cdsSeqs.toArray(new SequenceI[cdsSeqs - .size()])); + AlignmentI cds = new Alignment( + cdsSeqs.toArray(new SequenceI[cdsSeqs.size()])); cds.setDataset(dataset); return cds; @@ -1814,7 +1833,7 @@ public class AlignmentUtils * @param seqMappings * the set of mappings involving dnaSeq * @param aMapping - * an initial candidate from seqMappings + * a transcript-to-peptide mapping * @return */ static SequenceI findCdsForProtein(List mappings, @@ -1833,13 +1852,21 @@ public class AlignmentUtils * is this mapping from the whole dna sequence (i.e. CDS)? * allowing for possible stop codon on dna but not peptide */ - int mappedFromLength = MappingUtils.getLength(aMapping.getMap() - .getFromRanges()); + int mappedFromLength = MappingUtils + .getLength(aMapping.getMap().getFromRanges()); int dnaLength = seqDss.getLength(); if (mappedFromLength == dnaLength || mappedFromLength == dnaLength - CODON_LENGTH) { - return seqDss; + /* + * if sequence has CDS features, this is a transcript with no UTR + * - do not take this as the CDS sequence! (JAL-2789) + */ + if (seqDss.getFeatures().getFeaturesByOntology(SequenceOntologyI.CDS) + .isEmpty()) + { + return seqDss; + } } /* @@ -1858,16 +1885,18 @@ public class AlignmentUtils && proteinProduct == mapping.getTo() && seqDss != map.getFromSeq()) { - mappedFromLength = MappingUtils.getLength(mapping.getMap() - .getFromRanges()); + mappedFromLength = MappingUtils + .getLength(mapping.getMap().getFromRanges()); if (mappedFromLength == map.getFromSeq().getLength()) { /* * found a 3:1 mapping to the protein product which covers - * the whole dna sequence i.e. is from CDS; finally check it - * is from the dna start sequence + * the whole dna sequence i.e. is from CDS; finally check the CDS + * is mapped from the given dna start sequence */ SequenceI cdsSeq = map.getFromSeq(); + // todo this test is weak if seqMappings contains multiple mappings; + // we get away with it if transcript:cds relationship is 1:1 List dnaToCdsMaps = MappingUtils .findMappingsForSequence(cdsSeq, seqMappings); if (!dnaToCdsMaps.isEmpty()) @@ -1957,8 +1986,8 @@ public class AlignmentUtils } else { - System.err - .println("JAL-2154 regression: warning - found (and ignnored a duplicate CDS sequence):" + System.err.println( + "JAL-2154 regression: warning - found (and ignnored a duplicate CDS sequence):" + mtch.toString()); } } @@ -1983,8 +2012,8 @@ public class AlignmentUtils { // gather direct refs from contig congrent with mapping - List direct = new ArrayList(); - HashSet directSources = new HashSet(); + List direct = new ArrayList<>(); + HashSet directSources = new HashSet<>(); if (contig.getDBRefs() != null) { for (DBRefEntry dbr : contig.getDBRefs()) @@ -2004,22 +2033,23 @@ public class AlignmentUtils DBRefEntry[] onSource = DBRefUtils.selectRefs( proteinProduct.getDBRefs(), directSources.toArray(new String[0])); - List propagated = new ArrayList(); + List propagated = new ArrayList<>(); // and generate appropriate mappings for (DBRefEntry cdsref : direct) { // clone maplist and mapping - MapList cdsposmap = new MapList(Arrays.asList(new int[][] { new int[] - { cdsSeq.getStart(), cdsSeq.getEnd() } }), cdsref.getMap().getMap() - .getToRanges(), 3, 1); - Mapping cdsmap = new Mapping(cdsref.getMap().getTo(), cdsref.getMap() - .getMap()); + MapList cdsposmap = new MapList( + Arrays.asList(new int[][] + { new int[] { cdsSeq.getStart(), cdsSeq.getEnd() } }), + cdsref.getMap().getMap().getToRanges(), 3, 1); + Mapping cdsmap = new Mapping(cdsref.getMap().getTo(), + cdsref.getMap().getMap()); // create dbref DBRefEntry newref = new DBRefEntry(cdsref.getSource(), - cdsref.getVersion(), cdsref.getAccessionId(), new Mapping( - cdsmap.getTo(), cdsposmap)); + cdsref.getVersion(), cdsref.getAccessionId(), + new Mapping(cdsmap.getTo(), cdsposmap)); // and see if we can map to the protein product for this mapping. // onSource is the filtered set of accessions on protein that we are @@ -2144,7 +2174,10 @@ public class AlignmentUtils /** * Returns a mapping from dna to protein by inspecting sequence features of - * type "CDS" on the dna. + * type "CDS" on the dna. A mapping is constructed if the total CDS feature + * length is 3 times the peptide length (optionally after dropping a trailing + * stop codon). This method does not check whether the CDS nucleotide sequence + * translates to the peptide sequence. * * @param dnaSeq * @param proteinSeq @@ -2156,6 +2189,16 @@ public class AlignmentUtils List ranges = findCdsPositions(dnaSeq); int mappedDnaLength = MappingUtils.getLength(ranges); + /* + * if not a whole number of codons, truncate mapping + */ + int codonRemainder = mappedDnaLength % CODON_LENGTH; + if (codonRemainder > 0) + { + mappedDnaLength -= codonRemainder; + MappingUtils.removeEndPositions(codonRemainder, ranges); + } + int proteinLength = proteinSeq.getLength(); int proteinStart = proteinSeq.getStart(); int proteinEnd = proteinSeq.getEnd(); @@ -2170,7 +2213,7 @@ public class AlignmentUtils proteinStart++; proteinLength--; } - List proteinRange = new ArrayList(); + List proteinRange = new ArrayList<>(); /* * dna length should map to protein (or protein plus stop codon) @@ -2179,8 +2222,12 @@ public class AlignmentUtils if (codesForResidues == (proteinLength + 1)) { // assuming extra codon is for STOP and not in peptide + // todo: check trailing codon is indeed a STOP codon codesForResidues--; + mappedDnaLength -= CODON_LENGTH; + MappingUtils.removeEndPositions(CODON_LENGTH, ranges); } + if (codesForResidues == proteinLength) { proteinRange.add(new int[] { proteinStart, proteinEnd }); @@ -2191,7 +2238,7 @@ public class AlignmentUtils /** * Returns a list of CDS ranges found (as sequence positions base 1), i.e. of - * start/end positions of sequence features of type "CDS" (or a sub-type of + * [start, end] positions of sequence features of type "CDS" (or a sub-type of * CDS in the Sequence Ontology). The ranges are sorted into ascending start * position order, so this method is only valid for linear CDS in the same * sense as the protein product. @@ -2201,7 +2248,7 @@ public class AlignmentUtils */ public static List findCdsPositions(SequenceI dnaSeq) { - List result = new ArrayList(); + List result = new ArrayList<>(); List sfs = dnaSeq.getFeatures().getFeaturesByOntology( SequenceOntologyI.CDS); @@ -2210,7 +2257,6 @@ public class AlignmentUtils return result; } SequenceFeatures.sortFeatures(sfs, true); - int startPhase = 0; for (SequenceFeature sf : sfs) { @@ -2228,7 +2274,7 @@ public class AlignmentUtils */ int begin = sf.getBegin(); int end = sf.getEnd(); - if (result.isEmpty()) + if (result.isEmpty() && phase > 0) { begin += phase; if (begin > end) @@ -2243,16 +2289,6 @@ public class AlignmentUtils } /* - * remove 'startPhase' positions (usually 0) from the first range - * so we begin at the start of a complete codon - */ - if (!result.isEmpty()) - { - // TODO JAL-2022 correctly model start phase > 0 - result.get(0)[0] += startPhase; - } - - /* * Finally sort ranges by start position. This avoids a dependency on * keeping features in order on the sequence (if they are in order anyway, * the sort will have almost no work to do). The implicit assumption is CDS @@ -2430,8 +2466,8 @@ public class AlignmentUtils * are currently ignored here */ String trans = codon.contains("-") ? "-" - : (codon.length() > CODON_LENGTH ? null : ResidueProperties - .codonTranslate(codon)); + : (codon.length() > CODON_LENGTH ? null + : ResidueProperties.codonTranslate(codon)); if (trans != null && !trans.equals(residue)) { String residue3Char = StringUtils @@ -2456,10 +2492,8 @@ public class AlignmentUtils StringBuilder link = new StringBuilder(32); try { - link.append(desc) - .append(" ") - .append(id) - .append("|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=") + link.append(desc).append(" ").append(id).append( + "|http://www.ensembl.org/Homo_sapiens/Variation/Summary?v=") .append(URLEncoder.encode(id, "UTF-8")); sf.addLink(link.toString()); } catch (UnsupportedEncodingException e) @@ -2500,7 +2534,7 @@ public class AlignmentUtils * map from peptide position to all variants of the codon which codes for it * LinkedHashMap ensures we keep the peptide features in sequence order */ - LinkedHashMap[]> variants = new LinkedHashMap[]>(); + LinkedHashMap[]> variants = new LinkedHashMap<>(); List dnaFeatures = dnaSeq.getFeatures() .getFeaturesByOntology(SequenceOntologyI.SEQUENCE_VARIANT); @@ -2535,9 +2569,9 @@ public class AlignmentUtils if (codonVariants == null) { codonVariants = new ArrayList[CODON_LENGTH]; - codonVariants[0] = new ArrayList(); - codonVariants[1] = new ArrayList(); - codonVariants[2] = new ArrayList(); + codonVariants[0] = new ArrayList<>(); + codonVariants[1] = new ArrayList<>(); + codonVariants[2] = new ArrayList<>(); variants.put(peptidePosition, codonVariants); } @@ -2676,7 +2710,7 @@ public class AlignmentUtils /* * fancy case - aligning via mappings between sequences */ - List unmapped = new ArrayList(); + List unmapped = new ArrayList<>(); Map> columnMap = buildMappedColumnsMap( unaligned, aligned, unmapped); int width = columnMap.size(); @@ -2751,7 +2785,7 @@ public class AlignmentUtils } // map from dataset sequence to alignment sequence(s) - Map> alignedDatasets = new HashMap>(); + Map> alignedDatasets = new HashMap<>(); for (SequenceI seq : aligned.getSequences()) { SequenceI ds = seq.getDatasetSequence(); @@ -2781,8 +2815,8 @@ public class AlignmentUtils */ for (SequenceI seq : unaligned.getSequences()) { - List alignedSequences = alignedDatasets.get(seq - .getDatasetSequence()); + List alignedSequences = alignedDatasets + .get(seq.getDatasetSequence()); // TODO: getSequenceAsString() will be deprecated in the future // TODO: need to leave to SequenceI implementor to update gaps seq.setSequence(alignedSequences.get(0).getSequenceAsString()); @@ -2806,14 +2840,15 @@ public class AlignmentUtils * @return */ static SortedMap> buildMappedColumnsMap( - AlignmentI unaligned, AlignmentI aligned, List unmapped) + AlignmentI unaligned, AlignmentI aligned, + List unmapped) { /* * Map will hold, for each aligned column position, a map of * {unalignedSequence, characterPerSequence} at that position. * TreeMap keeps the entries in ascending column order. */ - SortedMap> map = new TreeMap>(); + SortedMap> map = new TreeMap<>(); /* * record any sequences that have no mapping so can't be realigned @@ -2841,7 +2876,8 @@ public class AlignmentUtils } /** - * Helper method that adds to a map the mapped column positions of a sequence.
    + * Helper method that adds to a map the mapped column positions of a sequence. + *
    * For example if aaTT-Tg-gAAA is mapped to TTTAAA then the map should record * that columns 3,4,6,10,11,12 map to characters T,T,T,A,A,A of the mapped to * sequence. @@ -2870,13 +2906,11 @@ public class AlignmentUtils */ if (seqMap.getTo() == fromSeq.getDatasetSequence()) { - seqMap = new Mapping(seq.getDatasetSequence(), seqMap.getMap() - .getInverse()); + seqMap = new Mapping(seq.getDatasetSequence(), + seqMap.getMap().getInverse()); } - char[] fromChars = fromSeq.getSequence(); int toStart = seq.getStart(); - char[] toChars = seq.getSequence(); /* * traverse [start, end, start, end...] ranges in fromSeq @@ -2907,10 +2941,10 @@ public class AlignmentUtils * of the next character of the mapped-to sequence; stop when all * the characters of the range have been counted */ - while (mappedCharPos <= range[1] && fromCol <= fromChars.length + while (mappedCharPos <= range[1] && fromCol <= fromSeq.getLength() && fromCol >= 0) { - if (!Comparison.isGap(fromChars[fromCol - 1])) + if (!Comparison.isGap(fromSeq.getCharAt(fromCol - 1))) { /* * mapped from sequence has a character in this column @@ -2919,10 +2953,10 @@ public class AlignmentUtils Map seqsMap = map.get(fromCol); if (seqsMap == null) { - seqsMap = new HashMap(); + seqsMap = new HashMap<>(); map.put(fromCol, seqsMap); } - seqsMap.put(seq, toChars[mappedCharPos - toStart]); + seqsMap.put(seq, seq.getCharAt(mappedCharPos - toStart)); mappedCharPos++; } fromCol += (forward ? 1 : -1);