/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9)
- * Copyright (C) 2015 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
import jalview.util.MapList;
import jalview.util.MappingUtils;
+import java.util.AbstractList;
import java.util.ArrayList;
import java.util.List;
public class AlignedCodonFrame
{
- /**
- * tied array of na Sequence objects.
+ /*
+ * Data bean to hold mappings from one sequence to another
*/
- private SequenceI[] dnaSeqs = null;
+ public class SequenceToSequenceMapping
+ {
+ private SequenceI fromSeq;
- /**
- * tied array of Mappings to protein sequence Objects and SequenceI[]
- * aaSeqs=null; MapLists where each maps from the corresponding dnaSeqs
- * element to corresponding aaSeqs element
- */
- private Mapping[] dnaToProt = null;
+ 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)
+ {
+ List<int[]> mappedRanges = null;
+ MapList mapList = mapping.getMap();
+ if (fromSeq == seq || fromSeq == seq.getDatasetSequence())
+ {
+ mappedRanges = mapList.getFromRanges();
+ }
+ else if (mapping.to == seq || mapping.to == seq.getDatasetSequence())
+ {
+ mappedRanges = mapList.getToRanges();
+ }
+ else
+ {
+ return false;
+ }
+
+ /*
+ * check that each mapped range lieS with the sequence range
+ * (necessary for circular CDS - example EMBL:J03321:AAA91567)
+ * and mapped length covers (at least) sequence length
+ */
+ 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 < seq.getStart() || to > seq.getEnd())
+ {
+ return false;
+ }
+ length += (to - from + 1);
+ }
+ // add 1 to mapped length to allow for a mapped stop codon
+ if (length + 1 < (seq.getEnd() - seq.getStart() + 1))
+ {
+ return false;
+ }
+ return true;
+ }
+ }
+
+ private List<SequenceToSequenceMapping> mappings;
/**
* Constructor
*/
public AlignedCodonFrame()
{
+ mappings = new ArrayList<>();
}
/**
*/
public void addMap(SequenceI dnaseq, SequenceI aaseq, MapList map)
{
- int nlen = 1;
- if (dnaSeqs != null)
- {
- nlen = dnaSeqs.length + 1;
- }
- SequenceI[] ndna = new SequenceI[nlen];
- Mapping[] ndtp = new Mapping[nlen];
- if (dnaSeqs != null)
- {
- System.arraycopy(dnaSeqs, 0, ndna, 0, dnaSeqs.length);
- System.arraycopy(dnaToProt, 0, ndtp, 0, dnaSeqs.length);
- }
- dnaSeqs = ndna;
- dnaToProt = ndtp;
- nlen--;
- dnaSeqs[nlen] = (dnaseq.getDatasetSequence() == null) ? dnaseq : dnaseq
- .getDatasetSequence();
- Mapping mp = new Mapping(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()));
- mp.to = (aaseq.getDatasetSequence() == null) ? aaseq : aaseq
- .getDatasetSequence();
- dnaToProt[nlen] = mp;
+
+ 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()
{
- return dnaSeqs;
+ // TODO return a list instead?
+ // return dnaSeqs;
+ List<SequenceI> seqs = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
+ {
+ seqs.add(ssm.fromSeq);
+ }
+ return seqs.toArray(new SequenceI[seqs.size()]);
}
public SequenceI[] getAaSeqs()
{
- if (dnaToProt == null)
+ // TODO not used - remove?
+ List<SequenceI> seqs = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
{
- return null;
- }
- SequenceI[] sqs = new SequenceI[dnaToProt.length];
- for (int sz = 0; sz < dnaToProt.length; sz++)
- {
- sqs[sz] = dnaToProt[sz].to;
+ seqs.add(ssm.mapping.to);
}
- return sqs;
+ return seqs.toArray(new SequenceI[seqs.size()]);
}
public MapList[] getdnaToProt()
{
- if (dnaToProt == null)
- {
- return null;
- }
- MapList[] sqs = new MapList[dnaToProt.length];
- for (int sz = 0; sz < dnaToProt.length; sz++)
+ List<MapList> maps = new ArrayList<>();
+ for (SequenceToSequenceMapping ssm : mappings)
{
- sqs[sz] = dnaToProt[sz].map;
+ maps.add(ssm.mapping.map);
}
- return sqs;
+ return maps.toArray(new MapList[maps.size()]);
}
public Mapping[] getProtMappings()
{
- return dnaToProt;
+ List<Mapping> 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.
+ * null if none is found
*
* @param seq
* @return
*/
public Mapping getMappingForSequence(SequenceI seq)
{
- if (dnaSeqs == null)
- {
- return null;
- }
SequenceI seqDs = seq.getDatasetSequence();
seqDs = seqDs != null ? seqDs : seq;
- for (int ds = 0; ds < dnaSeqs.length; ds++)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaSeqs[ds] == seqDs || dnaToProt[ds].to == seqDs)
+ if (ssm.fromSeq == seqDs || ssm.mapping.to == seqDs)
{
- return dnaToProt[ds];
+ return ssm.mapping;
}
}
return null;
*/
public SequenceI getAaForDnaSeq(SequenceI dnaSeqRef)
{
- if (dnaSeqs == null)
- {
- return null;
- }
SequenceI dnads = dnaSeqRef.getDatasetSequence();
- for (int ds = 0; ds < dnaSeqs.length; ds++)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaSeqs[ds] == dnaSeqRef || dnaSeqs[ds] == dnads)
+ if (ssm.fromSeq == dnaSeqRef || ssm.fromSeq == dnads)
{
- return dnaToProt[ds].to;
+ 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 sequenceRef
- * @return null or corresponding aaSeq entry for dnaSeq entry
+ * @param aaSeqRef
+ * @return
*/
public SequenceI getDnaForAaSeq(SequenceI aaSeqRef)
{
- if (dnaToProt == null)
- {
- return null;
- }
SequenceI aads = aaSeqRef.getDatasetSequence();
- for (int as = 0; as < dnaToProt.length; as++)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaToProt[as].to == aaSeqRef || dnaToProt[as].to == aads)
+ if (ssm.mapping.to == aaSeqRef || ssm.mapping.to == aads)
{
- return dnaSeqs[as];
+ return ssm.fromSeq;
}
}
return null;
* where highlighted regions go
*/
public void markMappedRegion(SequenceI seq, int index,
- SearchResults results)
+ SearchResultsI results)
{
- if (dnaToProt == null)
- {
- return;
- }
int[] codon;
SequenceI ds = seq.getDatasetSequence();
- for (int mi = 0; mi < dnaToProt.length; mi++)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaSeqs[mi] == seq || dnaSeqs[mi] == ds)
+ if (ssm.fromSeq == seq || ssm.fromSeq == ds)
{
- // DEBUG System.err.println("dna pos "+index);
- codon = dnaToProt[mi].map.locateInTo(index, index);
+ codon = ssm.mapping.map.locateInTo(index, index);
if (codon != null)
{
for (int i = 0; i < codon.length; i += 2)
{
- results.addResult(dnaToProt[mi].to, codon[i], codon[i + 1]);
+ results.addResult(ssm.mapping.to, codon[i], codon[i + 1]);
}
}
}
- else if (dnaToProt[mi].to == seq || dnaToProt[mi].to == ds)
+ else if (ssm.mapping.to == seq || ssm.mapping.to == ds)
{
- // DEBUG System.err.println("aa pos "+index);
{
- codon = dnaToProt[mi].map.locateInFrom(index, index);
+ codon = ssm.mapping.map.locateInFrom(index, index);
if (codon != null)
{
for (int i = 0; i < codon.length; i += 2)
{
- results.addResult(dnaSeqs[mi], codon[i], codon[i + 1]);
+ results.addResult(ssm.fromSeq, codon[i], codon[i + 1]);
}
}
}
* Adapted from markMappedRegion().
*/
MapList ml = null;
- for (int i = 0; i < dnaToProt.length; i++)
+ int i = 0;
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaSeqs[i] == seq)
+ 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 dataset sequence.
+ * alignment whose dataset has a mapping with the given (aligned or dataset)
+ * sequence.
*
* @param seq
*
/*
* Search mapped protein ('to') sequences first.
*/
- if (this.dnaToProt != null)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- for (int i = 0; i < dnaToProt.length; i++)
+ if (ssm.fromSeq == seq || ssm.fromSeq == seq.getDatasetSequence())
{
- if (this.dnaSeqs[i] == seq)
+ for (SequenceI sourceAligned : al.getSequences())
{
- for (SequenceI sourceAligned : al.getSequences())
+ if (ssm.mapping.to == sourceAligned.getDatasetSequence()
+ || ssm.mapping.to == sourceAligned)
{
- if (this.dnaToProt[i].to == sourceAligned.getDatasetSequence())
- {
- return sourceAligned;
- }
+ return sourceAligned;
}
}
}
/*
* Then try mapped dna sequences.
*/
- if (this.dnaToProt != null)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- for (int i = 0; i < dnaToProt.length; i++)
+ if (ssm.mapping.to == seq
+ || ssm.mapping.to == seq.getDatasetSequence())
{
- if (this.dnaToProt[i].to == seq)
+ for (SequenceI sourceAligned : al.getSequences())
{
- for (SequenceI sourceAligned : al.getSequences())
+ if (ssm.fromSeq == sourceAligned.getDatasetSequence())
{
- if (this.dnaSeqs[i] == sourceAligned.getDatasetSequence())
- {
- return sourceAligned;
- }
+ return sourceAligned;
}
}
}
}
/**
- * Returns the region in the 'mappedFrom' sequence's dataset that is mapped to
- * position 'pos' (base 1) in the 'mappedTo' sequence's dataset. The region is
- * a set of start/end position pairs.
+ * 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 mappedFrom
- * @param mappedTo
- * @param pos
+ * @param target
+ * @param query
+ * @param queryPos
* @return
*/
- public int[] getMappedRegion(SequenceI mappedFrom, SequenceI mappedTo,
- int pos)
+ public int[] getMappedRegion(SequenceI target, SequenceI query,
+ int queryPos)
{
- SequenceI targetDs = mappedFrom.getDatasetSequence() == null ? mappedFrom
- : mappedFrom.getDatasetSequence();
- SequenceI sourceDs = mappedTo.getDatasetSequence() == null ? mappedTo
- : mappedTo.getDatasetSequence();
- if (targetDs == null || sourceDs == null || dnaToProt == null)
+ 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 (int mi = 0; mi < dnaToProt.length; mi++)
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaSeqs[mi] == targetDs && dnaToProt[mi].to == sourceDs)
+ /*
+ * 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 = dnaToProt[mi].map.locateInFrom(pos, pos);
+ int[] codon = ssm.mapping.map.locateInTo(queryPos, queryPos);
if (codon != null)
{
return codon;
}
/**
- * Returns the DNA codon for the given position (base 1) in a mapped protein
- * sequence, or null if no mapping is found.
+ * 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
* residue position (base 1) in the peptide sequence
* @return
*/
- public char[] getMappedCodon(SequenceI protein, int aaPos)
+ public List<char[]> getMappedCodons(SequenceI protein, int aaPos)
{
- if (dnaToProt == null)
+ MapList ml = null;
+ SequenceI dnaSeq = null;
+ List<char[]> result = new ArrayList<>();
+
+ for (SequenceToSequenceMapping ssm : mappings)
{
- return null;
+ 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 });
+ }
}
- MapList ml = null;
- char[] dnaSeq = null;
- for (int i = 0; i < dnaToProt.length; i++)
+ return result.isEmpty() ? null : result;
+ }
+
+ /**
+ * Returns any mappings found which are from the given sequence, and to
+ * distinct sequences.
+ *
+ * @param seq
+ * @return
+ */
+ public List<Mapping> getMappingsFromSequence(SequenceI seq)
+ {
+ List<Mapping> result = new ArrayList<>();
+ List<SequenceI> related = new ArrayList<>();
+ SequenceI seqDs = seq.getDatasetSequence();
+ seqDs = seqDs != null ? seqDs : seq;
+
+ for (SequenceToSequenceMapping ssm : mappings)
{
- if (dnaToProt[i].to == protein)
+ final Mapping mapping = ssm.mapping;
+ if (ssm.fromSeq == seqDs)
{
- ml = getdnaToProt()[i];
- dnaSeq = dnaSeqs[i].getSequence();
- break;
+ if (!related.contains(mapping.to))
+ {
+ result.add(mapping);
+ related.add(mapping.to);
+ }
}
}
- if (ml == null)
+ 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)
{
- return null;
+ 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);
+ }
+ }
}
- int[] codonPos = ml.locateInFrom(aaPos, aaPos);
- if (codonPos == null)
+ 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()))
{
- return null;
+ 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)
/*
- * Read off the mapped nucleotides (converting to position base 0)
+ * 'from' sequences
*/
- codonPos = MappingUtils.flattenRanges(codonPos);
- return new char[] { dnaSeq[codonPos[0] - 1], dnaSeq[codonPos[1] - 1],
- dnaSeq[codonPos[2] - 1] };
+ {
+ if (ssm.fromSeq == seq)
+ {
+ ssm.fromSeq = ds;
+ }
+
+ /*
+ * 'to' sequences
+ */
+ if (ssm.mapping.to == seq)
+ {
+ ssm.mapping.to = ds;
+ }
+ }
}
/**
- * Returns any mappings found which are to (or from) the given sequence, and
- * to distinct sequences.
+ * Answers true if this object contains no mappings
*
- * @param seq
* @return
*/
- public List<Mapping> getMappingsForSequence(SequenceI seq)
+ 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)
{
- List<Mapping> result = new ArrayList<Mapping>();
- if (dnaSeqs == null)
+ SequenceI dssFrom = fromSeq.getDatasetSequence() == null ? fromSeq
+ : fromSeq.getDatasetSequence();
+ SequenceI dssTo = toSeq.getDatasetSequence() == null ? toSeq
+ : toSeq.getDatasetSequence();
+
+ for (SequenceToSequenceMapping mapping : mappings)
{
- return result;
+ SequenceI from = mapping.fromSeq;
+ SequenceI to = mapping.mapping.to;
+ if ((from == dssFrom && to == dssTo)
+ || (from == dssTo && to == dssFrom))
+ {
+ return mapping.mapping;
+ }
}
- List<SequenceI> related = new ArrayList<SequenceI>();
- SequenceI seqDs = seq.getDatasetSequence();
- seqDs = seqDs != null ? seqDs : seq;
+ 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();
+ }
- for (int ds = 0; ds < dnaSeqs.length; ds++)
+ /**
+ * 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))
{
- final Mapping mapping = dnaToProt[ds];
- if (dnaSeqs[ds] == seqDs || mapping.to == seqDs)
+ return false;
+ }
+ return this.mappings.equals(((AlignedCodonFrame) obj).mappings);
+ }
+
+ public List<SequenceToSequenceMapping> 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))
{
- if (!related.contains(mapping.to))
- {
- result.add(mapping);
- related.add(mapping.to);
- }
+ return mapping;
}
}
- return result;
+ return null;
}
}
git://source.jalview.org / jalview.git / blobdiff