X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignedCodonFrame.java;h=6ccc0fc0c663b6458d88377696421e0381026fde;hb=855af27bbb88788ac9c1ee9872a43fbb333ae380;hp=6c6c26eb7b53a8b5b5b0e3a46c81a0f2b73f045a;hpb=6bbd76f4f20e5a69aa4359837af78474144877fc;p=jalview.git
diff --git a/src/jalview/datamodel/AlignedCodonFrame.java b/src/jalview/datamodel/AlignedCodonFrame.java
index 6c6c26e..6ccc0fc 100644
--- a/src/jalview/datamodel/AlignedCodonFrame.java
+++ b/src/jalview/datamodel/AlignedCodonFrame.java
@@ -1,267 +1,985 @@
-package jalview.datamodel;
-
-import java.util.Enumeration;
-import java.util.Vector;
-
-import jalview.util.MapList;
-
-/**
- * Stores mapping between the columns of a protein alignment and a DNA alignment
- * and a list of individual codon to amino acid mappings between sequences.
- */
-
-public class AlignedCodonFrame
-{
- /**
- * array of nucleotide positions for aligned codons at column of aligned proteins.
- */
- public int[][] codons = null;
- /**
- * width of protein sequence alignement
- * implicit assertion that codons.length >= aaWidth
- */
- public int aaWidth=0;
- /**
- * initialise codon frame with a nominal alignment width
- * @param aWidth
- */
- public AlignedCodonFrame(int aWidth)
- {
- if (aWidth<=0)
- {
- codons=null;
- return;
- }
- codons = new int[aWidth][];
- for (int res = 0; res < aWidth; res++)
- codons[res] = null;
- }
-
- /**
- * ensure that codons array is at least as wide as aslen residues
- * @param aslen
- * @return (possibly newly expanded) codon array
- */
- public int[][] checkCodonFrameWidth(int aslen)
- {
- if (codons.length <= aslen + 1)
- {
- // probably never have to do this ?
- int[][] c = new int[codons.length + 10][];
- for (int i = 0; i < codons.length; i++)
- {
- c[i] = codons[i];
- codons[i] = null;
- }
- codons = c;
- }
- return codons;
- }
- /**
- * @return width of aligned translated amino acid residues
- */
- public int getaaWidth()
- {
- return aaWidth;
- }
- /**
- * TODO: not an ideal solution - we reference the aligned amino acid sequences in order to make insertions on them
- * Better would be dnaAlignment and aaAlignment reference....
- */
- Vector a_aaSeqs=new Vector();
- /**
- * increase aaWidth by one and insert a new aligned codon position space at aspos.
- * @param aspos
- */
- public void insertAAGap(int aspos, char gapCharacter)
- {
- // this aa appears before the aligned codons at aspos - so shift them in each pair of mapped sequences
- aaWidth++;
- if (a_aaSeqs!=null)
- {
- // we actually have to modify the aligned sequences here, so use the a_aaSeqs vector
- Enumeration sq = a_aaSeqs.elements();
- while (sq.hasMoreElements())
- {
- ((SequenceI) sq.nextElement()).insertCharAt(aspos, gapCharacter);
- }
- }
- checkCodonFrameWidth(aspos);
- if (aspos.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.datamodel;
+
+import java.util.AbstractList;
+import java.util.ArrayList;
+import java.util.List;
+
+import jalview.util.MapList;
+import jalview.util.MappingUtils;
+
+/**
+ * Stores mapping between the columns of a protein alignment and a DNA alignment
+ * and a list of individual codon to amino acid mappings between sequences.
+ */
+public class AlignedCodonFrame
+{
+
+ /*
+ * Data bean to hold mappings from one sequence to another
+ */
+ public class SequenceToSequenceMapping
+ {
+ private SequenceI fromSeq;
+
+ private Mapping mapping;
+
+ SequenceToSequenceMapping(SequenceI from, Mapping map)
+ {
+ this.fromSeq = from;
+ this.mapping = map;
+ }
+
+ /**
+ * Readable representation for debugging only, not guaranteed not to change
+ */
+ @Override
+ public String toString()
+ {
+ return String.format("From %s %s", fromSeq.getName(),
+ mapping.toString());
+ }
+
+ /**
+ * Returns a hashCode derived from the hashcodes of the mappings and fromSeq
+ *
+ * @see SequenceToSequenceMapping#hashCode()
+ */
+ @Override
+ public int hashCode()
+ {
+ return (fromSeq == null ? 0 : fromSeq.hashCode() * 31)
+ + mapping.hashCode();
+ }
+
+ /**
+ * Answers true if the objects hold the same mapping between the same two
+ * sequences
+ *
+ * @see Mapping#equals
+ */
+ @Override
+ public boolean equals(Object obj)
+ {
+ if (!(obj instanceof SequenceToSequenceMapping))
+ {
+ return false;
+ }
+ SequenceToSequenceMapping that = (SequenceToSequenceMapping) obj;
+ if (this.mapping == null)
+ {
+ return that.mapping == null;
+ }
+ // TODO: can simplify by asserting fromSeq is a dataset sequence
+ return (this.fromSeq == that.fromSeq
+ || (this.fromSeq != null && that.fromSeq != null
+ && this.fromSeq.getDatasetSequence() != null
+ && this.fromSeq.getDatasetSequence() == that.fromSeq
+ .getDatasetSequence()))
+ && this.mapping.equals(that.mapping);
+ }
+
+ public SequenceI getFromSeq()
+ {
+ return fromSeq;
+ }
+
+ public Mapping getMapping()
+ {
+ return mapping;
+ }
+
+ /**
+ * Returns true if the mapping covers the full length of the given sequence.
+ * This allows us to distinguish the CDS that codes for a protein from
+ * another overlapping CDS in the parent dna sequence.
+ *
+ * @param seq
+ * @return
+ */
+ public boolean covers(SequenceI seq)
+ {
+ return covers(seq,false,false);
+ }
+ /**
+ *
+ * @param seq
+ * @param localCover - when true - compare extent of seq's dataset sequence rather than the local extent
+ * @param either - when true coverage is required for either seq or the mapped sequence
+ * @return true if mapping covers full length of given sequence (or the other if either==true)
+ */
+ public boolean covers(SequenceI seq, boolean localCover,boolean either)
+ {
+ List mappedRanges = null,otherRanges=null;
+ MapList mapList = mapping.getMap();
+ int mstart=seq.getStart(),mend=seq.getEnd(),ostart,oend;
+ ;
+ if (fromSeq == seq || fromSeq == seq.getDatasetSequence())
+ {
+ if (localCover && fromSeq !=seq)
+ {
+ mstart=fromSeq.getStart();
+ mend=fromSeq.getEnd();
+ }
+ mappedRanges = mapList.getFromRanges();
+ otherRanges=mapList.getToRanges();
+ ostart=mapping.to.getStart();
+ oend=mapping.to.getEnd();
+ }
+ else if (mapping.to == seq || mapping.to == seq.getDatasetSequence())
+ {
+ if (localCover && mapping.to !=seq)
+ {
+ mstart=mapping.to.getStart();
+ mend=mapping.to.getEnd();
+ }
+ mappedRanges = mapList.getToRanges();
+ otherRanges=mapList.getFromRanges();
+ ostart=fromSeq.getStart();
+ oend=fromSeq.getEnd();
+ }
+ else
+ {
+ return false;
+ }
+
+ /*
+ * check that each mapped range lies within the sequence range
+ * (necessary for circular CDS - example EMBL:J03321:AAA91567)
+ * and mapped length covers (at least) sequence length
+ */
+ int length = countRange(mappedRanges,mstart,mend);
+
+ if (length != -1)
+ {
+ // add 3 to mapped length to allow for a mapped stop codon
+ if (length + 3 >= (mend - mstart + 1))
+ {
+ return true;
+ }
+ }
+ if (either)
+ {
+ // also check coverage of the other range
+ length = countRange(otherRanges, ostart, oend);
+ if (length != -1)
+ {
+ if (length + 1 >= (oend - ostart + 1))
+ {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ private int countRange(List mappedRanges,int mstart,int mend)
+ {
+ int length=0;
+ for (int[] range : mappedRanges)
+ {
+ int from = Math.min(range[0], range[1]);
+ int to = Math.max(range[0], range[1]);
+ if (from < mstart || to > mend)
+ {
+ return -1;
+ }
+ length += (to - from + 1);
+ }
+ return length;
+ }
+
+ /**
+ * Adds any regions mapped to or from position {@code pos} in sequence
+ * {@code seq} to the given search results
+ *
+ * @param seq
+ * @param pos
+ * @param sr
+ */
+ public void markMappedRegion(SequenceI seq, int pos, SearchResultsI sr)
+ {
+ int[] codon = null;
+ SequenceI mappedSeq = null;
+ SequenceI ds = seq.getDatasetSequence();
+ if (ds == null)
+ {
+ ds = seq;
+ }
+
+ if (this.fromSeq == seq || this.fromSeq == ds)
+ {
+ codon = this.mapping.map.locateInTo(pos, pos);
+ mappedSeq = this.mapping.to;
+ }
+ else if (this.mapping.to == seq || this.mapping.to == ds)
+ {
+ codon = this.mapping.map.locateInFrom(pos, pos);
+ mappedSeq = this.fromSeq;
+ }
+
+ if (codon != null)
+ {
+ for (int i = 0; i < codon.length; i += 2)
+ {
+ sr.addResult(mappedSeq, codon[i], codon[i + 1]);
+ }
+ }
+ }
+ }
+
+ private List mappings;
+
+ /**
+ * Constructor
+ */
+ public AlignedCodonFrame()
+ {
+ mappings = new ArrayList<>();
+ }
+
+ /**
+ * Adds a mapping between the dataset sequences for the associated dna and
+ * protein sequence objects
+ *
+ * @param dnaseq
+ * @param aaseq
+ * @param map
+ */
+ public void addMap(SequenceI dnaseq, SequenceI aaseq, MapList map)
+ {
+ addMap(dnaseq, aaseq, map, null);
+ }
+
+ /**
+ * Adds a mapping between the dataset sequences for the associated dna and
+ * protein sequence objects
+ *
+ * @param dnaseq
+ * @param aaseq
+ * @param map
+ * @param mapFromId
+ */
+ public void addMap(SequenceI dnaseq, SequenceI aaseq, MapList map,
+ String mapFromId)
+ {
+ // JBPNote DEBUG! THIS !
+ // dnaseq.transferAnnotation(aaseq, mp);
+ // aaseq.transferAnnotation(dnaseq, new Mapping(map.getInverse()));
+
+ SequenceI fromSeq = (dnaseq.getDatasetSequence() == null) ? dnaseq
+ : dnaseq.getDatasetSequence();
+ SequenceI toSeq = (aaseq.getDatasetSequence() == null) ? aaseq
+ : aaseq.getDatasetSequence();
+
+ /*
+ * if we already hold a mapping between these sequences, just add to it
+ * note that 'adding' a duplicate map does nothing; this protects against
+ * creating duplicate mappings in AlignedCodonFrame
+ */
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ if (ssm.fromSeq == fromSeq && ssm.mapping.to == toSeq)
+ {
+ ssm.mapping.map.addMapList(map);
+ return;
+ }
+ }
+
+ /*
+ * otherwise, add a new sequence mapping
+ */
+ Mapping mp = new Mapping(toSeq, map);
+ mp.setMappedFromId(mapFromId);
+ mappings.add(new SequenceToSequenceMapping(fromSeq, mp));
+ }
+
+ public SequenceI[] getdnaSeqs()
+ {
+ // TODO return a list instead?
+ // return dnaSeqs;
+ List seqs = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ seqs.add(ssm.fromSeq);
+ }
+ return seqs.toArray(new SequenceI[seqs.size()]);
+ }
+
+ public SequenceI[] getAaSeqs()
+ {
+ // TODO not used - remove?
+ List seqs = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ seqs.add(ssm.mapping.to);
+ }
+ return seqs.toArray(new SequenceI[seqs.size()]);
+ }
+
+ public MapList[] getdnaToProt()
+ {
+ List maps = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ maps.add(ssm.mapping.map);
+ }
+ return maps.toArray(new MapList[maps.size()]);
+ }
+
+ public Mapping[] getProtMappings()
+ {
+ List maps = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ maps.add(ssm.mapping);
+ }
+ return maps.toArray(new Mapping[maps.size()]);
+ }
+
+ /**
+ * Returns the first mapping found which is to or from the given sequence, or
+ * null if none is found
+ *
+ * @param seq
+ * @return
+ */
+ public Mapping getMappingForSequence(SequenceI seq)
+ {
+ SequenceI seqDs = seq.getDatasetSequence();
+ seqDs = seqDs != null ? seqDs : seq;
+
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ if (ssm.fromSeq == seqDs || ssm.mapping.to == seqDs)
+ {
+ return ssm.mapping;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Return the corresponding aligned or dataset aa sequence for given dna
+ * sequence, null if not found.
+ *
+ * @param sequenceRef
+ * @return
+ */
+ public SequenceI getAaForDnaSeq(SequenceI dnaSeqRef)
+ {
+ SequenceI dnads = dnaSeqRef.getDatasetSequence();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ if (ssm.fromSeq == dnaSeqRef || ssm.fromSeq == dnads)
+ {
+ return ssm.mapping.to;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Return the corresponding aligned or dataset dna sequence for given amino
+ * acid sequence, or null if not found. returns the sequence from the first
+ * mapping found that involves the protein sequence.
+ *
+ * @param aaSeqRef
+ * @return
+ */
+ public SequenceI getDnaForAaSeq(SequenceI aaSeqRef)
+ {
+ SequenceI aads = aaSeqRef.getDatasetSequence();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ if (ssm.mapping.to == aaSeqRef || ssm.mapping.to == aads)
+ {
+ return ssm.fromSeq;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * test to see if codon frame involves seq in any way
+ *
+ * @param seq
+ * a nucleotide or protein sequence
+ * @return true if a mapping exists to or from this sequence to any translated
+ * sequence
+ */
+ public boolean involvesSequence(SequenceI seq)
+ {
+ return getAaForDnaSeq(seq) != null || getDnaForAaSeq(seq) != null;
+ }
+
+ /**
+ * Add search results for regions in other sequences that translate or are
+ * translated from a particular position in seq (which may be an aligned or
+ * dataset sequence)
+ *
+ * @param seq
+ * @param index
+ * position in seq
+ * @param results
+ * where highlighted regions go
+ */
+ public void markMappedRegion(SequenceI seq, int index,
+ SearchResultsI results)
+ {
+ SequenceI ds = seq.getDatasetSequence();
+ if (ds == null)
+ {
+ ds = seq;
+ }
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ ssm.markMappedRegion(ds, index, results);
+ }
+ }
+
+ /**
+ * Returns the DNA codon positions (base 1) for the given position (base 1) in
+ * a mapped protein sequence, or null if no mapping is found.
+ *
+ * Intended for use in aligning cDNA to match aligned protein. Only the first
+ * mapping found is returned, so not suitable for use if multiple protein
+ * sequences are mapped to the same cDNA (but aligning cDNA as protein is
+ * ill-defined for this case anyway).
+ *
+ * @param seq
+ * the DNA dataset sequence
+ * @param aaPos
+ * residue position (base 1) in a protein sequence
+ * @return
+ */
+ public int[] getDnaPosition(SequenceI seq, int aaPos)
+ {
+ /*
+ * Adapted from markMappedRegion().
+ */
+ MapList ml = null;
+ int i = 0;
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ if (ssm.fromSeq == seq)
+ {
+ ml = getdnaToProt()[i];
+ break;
+ }
+ i++;
+ }
+ return ml == null ? null : ml.locateInFrom(aaPos, aaPos);
+ }
+
+ /**
+ * Convenience method to return the first aligned sequence in the given
+ * alignment whose dataset has a mapping with the given (aligned or dataset)
+ * sequence.
+ *
+ * @param seq
+ *
+ * @param al
+ * @return
+ */
+ public SequenceI findAlignedSequence(SequenceI seq, AlignmentI al)
+ {
+ return findAlignedSequence(seq, al, null);
+ }
+ /**
+ * Convenience method to return the first aligned sequence in the given
+ * alignment whose dataset has a mapping with the given (aligned or dataset)
+ * sequence, and optionally the mapping that relates them
+ *
+ * @param seq
+ * @param al
+ * @param map - list to add the mapping to
+ * @return sequence from al that maps to seq
+ */
+ public SequenceI findAlignedSequence(SequenceI seq, AlignmentI al,List map)
+ {
+ /*
+ * Search mapped protein ('to') sequences first.
+ */
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ int mStart=ssm.getMapping().getMap().getFromLowest(),mEnd=ssm.getMapping().map.getFromHighest();
+ if ((ssm.fromSeq == seq || ssm.fromSeq == seq.getDatasetSequence())
+ // here AlignmentUtilsTest. testAlignProteinAsDna_incompleteStartCodon fails because mStart/mEnd is contained by seq
+ // without this filter, we don't get the correct mapping, however
+ )// && seq.getStart()>=mStart && seq.getEnd()<=mEnd)
+ {
+ for (SequenceI sourceAligned : al.getSequences())
+ {
+ if (ssm.covers(sourceAligned,true,false))
+ {
+ if (map != null)
+ {
+ map.add(ssm);
+ }
+ return sourceAligned;
+ }
+ }
+ }
+ }
+
+ /*
+ * Then try mapped dna sequences.
+ */
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ int mStart=ssm.getMapping().getMap().getToLowest(),mEnd=ssm.getMapping().map.getToHighest();
+ if ((ssm.mapping.to == seq
+ || ssm.mapping.to == seq.getDatasetSequence())
+ && seq.getStart()>=mStart && seq.getEnd()<=mEnd)
+ {
+ for (SequenceI sourceAligned : al.getSequences())
+ {
+ if (ssm.covers(sourceAligned,true,true))
+ {
+ if (map != null)
+ {
+ map.add(ssm);
+ }
+ return sourceAligned;
+ }
+ }
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * Returns the region in the target sequence's dataset that is mapped to the
+ * given position (base 1) in the query sequence's dataset. The region is a
+ * set of start/end position pairs.
+ *
+ * @param target
+ * @param query
+ * @param queryPos
+ * @return
+ */
+ public int[] getMappedRegion(SequenceI target, SequenceI query,
+ int queryPos)
+ {
+ SequenceI targetDs = target.getDatasetSequence() == null ? target
+ : target.getDatasetSequence();
+ SequenceI queryDs = query.getDatasetSequence() == null ? query
+ : query.getDatasetSequence();
+ if (targetDs == null || queryDs == null /*|| dnaToProt == null*/)
+ {
+ return null;
+ }
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ /*
+ * try mapping from target to query
+ */
+ if (ssm.fromSeq == targetDs && ssm.mapping.to == queryDs)
+ {
+ int[] codon = ssm.mapping.map.locateInFrom(queryPos, queryPos);
+ if (codon != null)
+ {
+ return codon;
+ }
+ }
+ /*
+ * else try mapping from query to target
+ */
+ else if (ssm.fromSeq == queryDs && ssm.mapping.to == targetDs)
+ {
+ int[] codon = ssm.mapping.map.locateInTo(queryPos, queryPos);
+ if (codon != null)
+ {
+ return codon;
+ }
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Returns the mapped DNA codons for the given position in a protein sequence,
+ * or null if no mapping is found. Returns a list of (e.g.) ['g', 'c', 't']
+ * codons. There may be more than one codon mapped to the protein if (for
+ * example), there are mappings to cDNA variants.
+ *
+ * @param protein
+ * the peptide dataset sequence
+ * @param aaPos
+ * residue position (base 1) in the peptide sequence
+ * @return
+ */
+ public List getMappedCodons(SequenceI protein, int aaPos)
+ {
+ MapList ml = null;
+ SequenceI dnaSeq = null;
+ List result = new ArrayList<>();
+
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ if (ssm.mapping.to == protein
+ && ssm.mapping.getMap().getFromRatio() == 3)
+ {
+ ml = ssm.mapping.map;
+ dnaSeq = ssm.fromSeq;
+
+ int[] codonPos = ml.locateInFrom(aaPos, aaPos);
+ if (codonPos == null)
+ {
+ return null;
+ }
+
+ /*
+ * Read off the mapped nucleotides (converting to position base 0)
+ */
+ codonPos = MappingUtils.flattenRanges(codonPos);
+ int start = dnaSeq.getStart();
+ char c1 = dnaSeq.getCharAt(codonPos[0] - start);
+ char c2 = dnaSeq.getCharAt(codonPos[1] - start);
+ char c3 = dnaSeq.getCharAt(codonPos[2] - start);
+ result.add(new char[] { c1, c2, c3 });
+ }
+ }
+ return result.isEmpty() ? null : result;
+ }
+
+ /**
+ * Returns any mappings found which are from the given sequence, and to
+ * distinct sequences.
+ *
+ * @param seq
+ * @return
+ */
+ public List getMappingsFromSequence(SequenceI seq)
+ {
+ List result = new ArrayList<>();
+ List related = new ArrayList<>();
+ SequenceI seqDs = seq.getDatasetSequence();
+ seqDs = seqDs != null ? seqDs : seq;
+
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ final Mapping mapping = ssm.mapping;
+ if (ssm.fromSeq == seqDs)
+ {
+ if (!related.contains(mapping.to))
+ {
+ result.add(mapping);
+ related.add(mapping.to);
+ }
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Test whether the given sequence is substitutable for one or more dummy
+ * sequences in this mapping
+ *
+ * @param map
+ * @param seq
+ * @return
+ */
+ public boolean isRealisableWith(SequenceI seq)
+ {
+ return realiseWith(seq, false) > 0;
+ }
+
+ /**
+ * Replace any matchable mapped dummy sequences with the given real one.
+ * Returns the count of sequence mappings instantiated.
+ *
+ * @param seq
+ * @return
+ */
+ public int realiseWith(SequenceI seq)
+ {
+ return realiseWith(seq, true);
+ }
+
+ /**
+ * Returns the number of mapped dummy sequences that could be replaced with
+ * the given real sequence.
+ *
+ * @param seq
+ * a dataset sequence
+ * @param doUpdate
+ * if true, performs replacements, else only counts
+ * @return
+ */
+ protected int realiseWith(SequenceI seq, boolean doUpdate)
+ {
+ SequenceI ds = seq.getDatasetSequence() != null
+ ? seq.getDatasetSequence()
+ : seq;
+ int count = 0;
+
+ /*
+ * check for replaceable DNA ('map from') sequences
+ */
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ SequenceI dna = ssm.fromSeq;
+ if (dna instanceof SequenceDummy
+ && dna.getName().equals(ds.getName()))
+ {
+ Mapping mapping = ssm.mapping;
+ int mapStart = mapping.getMap().getFromLowest();
+ int mapEnd = mapping.getMap().getFromHighest();
+ boolean mappable = couldRealiseSequence(dna, ds, mapStart, mapEnd);
+ if (mappable)
+ {
+ count++;
+ if (doUpdate)
+ {
+ // TODO: new method ? ds.realise(dna);
+ // might want to copy database refs as well
+ ds.setSequenceFeatures(dna.getSequenceFeatures());
+ // dnaSeqs[i] = ds;
+ ssm.fromSeq = ds;
+ System.out.println("Realised mapped sequence " + ds.getName());
+ }
+ }
+ }
+
+ /*
+ * check for replaceable protein ('map to') sequences
+ */
+ Mapping mapping = ssm.mapping;
+ SequenceI prot = mapping.getTo();
+ int mapStart = mapping.getMap().getToLowest();
+ int mapEnd = mapping.getMap().getToHighest();
+ boolean mappable = couldRealiseSequence(prot, ds, mapStart, mapEnd);
+ if (mappable)
+ {
+ count++;
+ if (doUpdate)
+ {
+ // TODO: new method ? ds.realise(dna);
+ // might want to copy database refs as well
+ ds.setSequenceFeatures(dna.getSequenceFeatures());
+ ssm.mapping.setTo(ds);
+ }
+ }
+ }
+ return count;
+ }
+
+ /**
+ * Helper method to test whether a 'real' sequence could replace a 'dummy'
+ * sequence in the map. The criteria are that they have the same name, and
+ * that the mapped region overlaps the candidate sequence.
+ *
+ * @param existing
+ * @param replacement
+ * @param mapStart
+ * @param mapEnd
+ * @return
+ */
+ protected static boolean couldRealiseSequence(SequenceI existing,
+ SequenceI replacement, int mapStart, int mapEnd)
+ {
+ if (existing instanceof SequenceDummy
+ && !(replacement instanceof SequenceDummy)
+ && existing.getName().equals(replacement.getName()))
+ {
+ int start = replacement.getStart();
+ int end = replacement.getEnd();
+ boolean mappingOverlapsSequence = (mapStart >= start
+ && mapStart <= end) || (mapEnd >= start && mapEnd <= end);
+ if (mappingOverlapsSequence)
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Change any mapping to the given sequence to be to its dataset sequence
+ * instead. For use when mappings are created before their referenced
+ * sequences are instantiated, for example when parsing GFF data.
+ *
+ * @param seq
+ */
+ public void updateToDataset(SequenceI seq)
+ {
+ if (seq == null || seq.getDatasetSequence() == null)
+ {
+ return;
+ }
+ SequenceI ds = seq.getDatasetSequence();
+
+ for (SequenceToSequenceMapping ssm : mappings)
+ /*
+ * 'from' sequences
+ */
+ {
+ if (ssm.fromSeq == seq)
+ {
+ ssm.fromSeq = ds;
+ }
+
+ /*
+ * 'to' sequences
+ */
+ if (ssm.mapping.to == seq)
+ {
+ ssm.mapping.to = ds;
+ }
+ }
+ }
+
+ /**
+ * Answers true if this object contains no mappings
+ *
+ * @return
+ */
+ public boolean isEmpty()
+ {
+ return mappings.isEmpty();
+ }
+
+ /**
+ * Method for debug / inspection purposes only, may change in future
+ */
+ @Override
+ public String toString()
+ {
+ return mappings == null ? "null" : mappings.toString();
+ }
+
+ /**
+ * Returns the first mapping found that is between 'fromSeq' and 'toSeq', or
+ * null if none found
+ *
+ * @param fromSeq
+ * aligned or dataset sequence
+ * @param toSeq
+ * aligned or dataset sequence
+ * @return
+ */
+ public Mapping getMappingBetween(SequenceI fromSeq, SequenceI toSeq)
+ {
+ SequenceI dssFrom = fromSeq.getDatasetSequence() == null ? fromSeq
+ : fromSeq.getDatasetSequence();
+ SequenceI dssTo = toSeq.getDatasetSequence() == null ? toSeq
+ : toSeq.getDatasetSequence();
+
+ for (SequenceToSequenceMapping mapping : mappings)
+ {
+ SequenceI from = mapping.fromSeq;
+ SequenceI to = mapping.mapping.to;
+ if ((from == dssFrom && to == dssTo)
+ || (from == dssTo && to == dssFrom))
+ {
+ return mapping.mapping;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Returns a hashcode derived from the list of sequence mappings
+ *
+ * @see SequenceToSequenceMapping#hashCode()
+ * @see AbstractList#hashCode()
+ */
+ @Override
+ public int hashCode()
+ {
+ return this.mappings.hashCode();
+ }
+
+ /**
+ * Two AlignedCodonFrame objects are equal if they hold the same ordered list
+ * of mappings
+ *
+ * @see SequenceToSequenceMapping#equals
+ */
+ @Override
+ public boolean equals(Object obj)
+ {
+ if (!(obj instanceof AlignedCodonFrame))
+ {
+ return false;
+ }
+ return this.mappings.equals(((AlignedCodonFrame) obj).mappings);
+ }
+
+ public List getMappings()
+ {
+ return mappings;
+ }
+
+ /**
+ * Returns the first mapping found which is between the two given sequences,
+ * and covers the full extent of both.
+ *
+ * @param seq1
+ * @param seq2
+ * @return
+ */
+ public SequenceToSequenceMapping getCoveringMapping(SequenceI seq1,
+ SequenceI seq2)
+ {
+ for (SequenceToSequenceMapping mapping : mappings)
+ {
+ if (mapping.covers(seq2) && mapping.covers(seq1))
+ {
+ return mapping;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Returns the first mapping found which is between the given dataset sequence
+ * and another, is a triplet mapping (3:1 or 1:3), and covers the full extent
+ * of both sequences involved
+ *
+ * @param seq
+ * @return
+ */
+ public SequenceToSequenceMapping getCoveringCodonMapping(SequenceI seq)
+ {
+ for (SequenceToSequenceMapping mapping : mappings)
+ {
+ if (mapping.getMapping().getMap().isTripletMap()
+ && mapping.covers(seq))
+ {
+ if (mapping.fromSeq == seq
+ && mapping.covers(mapping.getMapping().getTo()))
+ {
+ return mapping;
+ }
+ else if (mapping.getMapping().getTo() == seq
+ && mapping.covers(mapping.fromSeq))
+ {
+ return mapping;
+ }
+ }
+ }
+ return null;
+ }
+}