X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FCrossRef.java;h=09f1bc6073714251ce86b1d44f226957b299ed8a;hp=6c63f1c009a3078751f15f09ec02c9995f761e21;hb=59d682209891099d46b960509907c79e3fb276fe;hpb=d1b697c33b69a6dfe55df789eec5ac9881013681 diff --git a/src/jalview/analysis/CrossRef.java b/src/jalview/analysis/CrossRef.java index 6c63f1c..09f1bc6 100644 --- a/src/jalview/analysis/CrossRef.java +++ b/src/jalview/analysis/CrossRef.java @@ -1,602 +1,602 @@ -/* - * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7) - * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle - * - * This file is part of Jalview. - * - * Jalview is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - * - * Jalview is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along with Jalview. If not, see . - */ -package jalview.analysis; - -import java.util.Enumeration; -import java.util.List; -import java.util.Vector; -import java.util.Hashtable; - -import jalview.datamodel.AlignedCodonFrame; -import jalview.datamodel.Alignment; -import jalview.datamodel.AlignmentI; -import jalview.datamodel.DBRefSource; -import jalview.datamodel.DBRefEntry; -import jalview.datamodel.Sequence; -import jalview.datamodel.SequenceI; -import jalview.ws.SequenceFetcher; -import jalview.ws.seqfetcher.ASequenceFetcher; - -/** - * Functions for cross-referencing sequence databases. user must first specify - * if cross-referencing from protein or dna (set dna==true) - * - * @author JimP - * - */ -public class CrossRef -{ - /** - * get the DNA or protein references for a protein or dna sequence - * - * @param dna - * @param rfs - * @return - */ - public static DBRefEntry[] findXDbRefs(boolean dna, DBRefEntry[] rfs) - { - if (dna) - { - rfs = jalview.util.DBRefUtils.selectRefs(rfs, DBRefSource.PROTEINDBS); - } - else - { - rfs = jalview.util.DBRefUtils.selectRefs(rfs, - DBRefSource.DNACODINGDBS); // could attempt to find other cross - // refs and return here - ie PDB xrefs - // (not dna, not protein seq) - } - return rfs; - } - - public static Hashtable classifyDbRefs(DBRefEntry[] rfs) - { - Hashtable classes = new Hashtable(); - classes.put(DBRefSource.PROTEINDBS, - jalview.util.DBRefUtils.selectRefs(rfs, DBRefSource.PROTEINDBS)); - classes.put(DBRefSource.DNACODINGDBS, jalview.util.DBRefUtils - .selectRefs(rfs, DBRefSource.DNACODINGDBS)); - classes.put(DBRefSource.DOMAINDBS, - jalview.util.DBRefUtils.selectRefs(rfs, DBRefSource.DOMAINDBS)); - // classes.put(OTHER, ) - return classes; - } - - /** - * @param dna - * true if seqs are DNA seqs - * @param seqs - * @return a list of sequence database cross reference source types - */ - public static String[] findSequenceXrefTypes(boolean dna, SequenceI[] seqs) - { - return findSequenceXrefTypes(dna, seqs, null); - } - - /** - * Indirect references are references from other sequences from the dataset to - * any of the direct DBRefEntrys on the given sequences. - * - * @param dna - * true if seqs are DNA seqs - * @param seqs - * @return a list of sequence database cross reference source types - */ - public static String[] findSequenceXrefTypes(boolean dna, - SequenceI[] seqs, AlignmentI dataset) - { - String[] dbrefs = null; - Vector refs = new Vector(); - for (int s = 0; s < seqs.length; s++) - { - if (seqs[s] != null) - { - - SequenceI dss = seqs[s]; - while (dss.getDatasetSequence() != null) - { - dss = dss.getDatasetSequence(); - } - DBRefEntry[] rfs = findXDbRefs(dna, dss.getDBRef()); - for (int r = 0; rfs != null && r < rfs.length; r++) - { - if (!refs.contains(rfs[r].getSource())) - { - refs.addElement(rfs[r].getSource()); - } - } - if (dataset != null) - { - // search for references to this sequence's direct references. - DBRefEntry[] lrfs = CrossRef - .findXDbRefs(!dna, seqs[s].getDBRef()); - Vector rseqs = new Vector(); - CrossRef.searchDatasetXrefs(seqs[s], !dna, lrfs, dataset, rseqs, - null); // don't need to specify codon frame for mapping here - Enumeration lr = rseqs.elements(); - while (lr.hasMoreElements()) - { - SequenceI rs = (SequenceI) lr.nextElement(); - DBRefEntry[] xrs = findXDbRefs(dna, rs.getDBRef()); - for (int r = 0; rfs != null && r < rfs.length; r++) - { - if (!refs.contains(rfs[r].getSource())) - { - refs.addElement(rfs[r].getSource()); - } - } - } - } - } - } - if (refs.size() > 0) - { - dbrefs = new String[refs.size()]; - refs.copyInto(dbrefs); - } - return dbrefs; - } - - /* - * if (dna) { if (rfs[r].hasMap()) { // most likely this is a protein cross - * reference if (!refs.contains(rfs[r].getSource())) { - * refs.addElement(rfs[r].getSource()); } } } - */ - public static boolean hasCdnaMap(SequenceI[] seqs) - { - String[] reftypes = findSequenceXrefTypes(false, seqs); - for (int s = 0; s < reftypes.length; s++) - { - if (reftypes.equals(DBRefSource.EMBLCDS)) - { - return true; - // no map - } - } - return false; - } - - public static SequenceI[] getCdnaMap(SequenceI[] seqs) - { - Vector cseqs = new Vector(); - for (int s = 0; s < seqs.length; s++) - { - DBRefEntry[] cdna = findXDbRefs(true, seqs[s].getDBRef()); - for (int c = 0; c < cdna.length; c++) - { - if (cdna[c].getSource().equals(DBRefSource.EMBLCDS)) - { - System.err - .println("TODO: unimplemented sequence retrieval for coding region sequence."); - // TODO: retrieve CDS dataset sequences - // need global dataset sequence retriever/resolver to reuse refs - // and construct Mapping entry. - // insert gaps in CDS according to peptide gaps. - // add gapped sequence to cseqs - } - } - } - if (cseqs.size() > 0) - { - SequenceI[] rsqs = new SequenceI[cseqs.size()]; - cseqs.copyInto(rsqs); - return rsqs; - } - return null; - - } - - /** - * - * @param dna - * @param seqs - * @return - */ - public static Alignment findXrefSequences(SequenceI[] seqs, boolean dna, - String source) - { - return findXrefSequences(seqs, dna, source, null); - } - - /** - * - * @param seqs - * @param dna - * @param source - * @param dataset - * alignment to search for product sequences. - * @return products (as dataset sequences) - */ - public static Alignment findXrefSequences(SequenceI[] seqs, boolean dna, - String source, AlignmentI dataset) - { - Vector rseqs = new Vector(); - Alignment ral = null; - AlignedCodonFrame cf = new AlignedCodonFrame(0); // nominal width - for (int s = 0; s < seqs.length; s++) - { - SequenceI dss = seqs[s]; - while (dss.getDatasetSequence() != null) - { - dss = dss.getDatasetSequence(); - } - boolean found = false; - DBRefEntry[] xrfs = CrossRef.findXDbRefs(dna, dss.getDBRef()); - if ((xrfs == null || xrfs.length == 0) && dataset != null) - { - System.out.println("Attempting to find ds Xrefs refs."); - DBRefEntry[] lrfs = CrossRef.findXDbRefs(!dna, seqs[s].getDBRef()); // less - // ambiguous - // would - // be a - // 'find - // primary - // dbRefEntry' - // method. - // filter for desired source xref here - found = CrossRef.searchDatasetXrefs(dss, !dna, lrfs, dataset, - rseqs, cf); - } - for (int r = 0; xrfs != null && r < xrfs.length; r++) - { - if (source != null && !source.equals(xrfs[r].getSource())) - continue; - if (xrfs[r].hasMap()) - { - if (xrfs[r].getMap().getTo() != null) - { - Sequence rsq = new Sequence(xrfs[r].getMap().getTo()); - rseqs.addElement(rsq); - if (xrfs[r].getMap().getMap().getFromRatio() != xrfs[r] - .getMap().getMap().getToRatio()) - { - // get sense of map correct for adding to product alignment. - if (dna) - { - // map is from dna seq to a protein product - cf.addMap(dss, rsq, xrfs[r].getMap().getMap()); - } - else - { - // map should be from protein seq to its coding dna - cf.addMap(rsq, dss, xrfs[r].getMap().getMap().getInverse()); - } - } - found = true; - } - } - if (!found) - { - // do a bit more work - search for sequences with references matching - // xrefs on this sequence. - if (dataset != null) - { - found |= searchDataset(dss, xrfs[r], dataset, rseqs, cf); // ,false,!dna); - if (found) - xrfs[r] = null; // we've recovered seqs for this one. - } - } - } - if (!found) - { - if (xrfs != null && xrfs.length > 0) - { - // Try and get the sequence reference... - /* - * Ideal world - we ask for a sequence fetcher implementation here if - * (jalview.io.RunTimeEnvironment.getSequenceFetcher()) ( - */ - ASequenceFetcher sftch = new SequenceFetcher(); - SequenceI[] retrieved = null; - int l = xrfs.length; - for (int r = 0; r < xrfs.length; r++) - { - // filter out any irrelevant or irretrievable references - if (xrfs[r] == null - || ((source != null && !source.equals(xrfs[r] - .getSource())) || !sftch.isFetchable(xrfs[r] - .getSource()))) - { - l--; - xrfs[r] = null; - } - } - if (l > 0) - { - System.out - .println("Attempting to retrieve cross referenced sequences."); - DBRefEntry[] t = new DBRefEntry[l]; - l = 0; - for (int r = 0; r < xrfs.length; r++) - { - if (xrfs[r] != null) - t[l++] = xrfs[r]; - } - xrfs = t; - try - { - retrieved = sftch.getSequences(xrfs); // problem here is we don't - // know which of xrfs - // resulted in which - // retrieved element - } catch (Exception e) - { - System.err - .println("Problem whilst retrieving cross references for Sequence : " - + seqs[s].getName()); - e.printStackTrace(); - } - if (retrieved != null) - { - for (int rs = 0; rs < retrieved.length; rs++) - { - // TODO: examine each sequence for 'redundancy' - jalview.datamodel.DBRefEntry[] dbr = retrieved[rs] - .getDBRef(); - if (dbr != null && dbr.length > 0) - { - for (int di = 0; di < dbr.length; di++) - { - // find any entry where we should put in the sequence being - // cross-referenced into the map - jalview.datamodel.Mapping map = dbr[di].getMap(); - if (map != null) - { - if (map.getTo() != null && map.getMap() != null) - { - // should search the local dataset to find any existing - // candidates for To ! - try - { - // compare ms with dss and replace with dss in mapping - // if map is congruent - SequenceI ms = map.getTo(); - int sf = map.getMap().getToLowest(); - int st = map.getMap().getToHighest(); - SequenceI mappedrg = ms.getSubSequence(sf, st); - SequenceI loc = dss.getSubSequence(sf, st); - if (mappedrg.getLength() > 0 - && mappedrg.getSequenceAsString().equals( - loc.getSequenceAsString())) - { - System.err - .println("Mapping updated for retrieved crossreference"); - // method to update all refs of existing To on - // retrieved sequence with dss and merge any props - // on To onto dss. - map.setTo(dss); - } - } catch (Exception e) - { - System.err - .println("Exception when consolidating Mapped sequence set..."); - e.printStackTrace(System.err); - } - } - } - } - } - retrieved[rs].updatePDBIds(); - rseqs.addElement(retrieved[rs]); - } - } - } - } - } - } - if (rseqs.size() > 0) - { - SequenceI[] rsqs = new SequenceI[rseqs.size()]; - rseqs.copyInto(rsqs); - ral = new Alignment(rsqs); - if (cf != null && cf.getProtMappings() != null) - { - ral.addCodonFrame(cf); - } - } - return ral; - } - - /** - * find references to lrfs in the cross-reference set of each sequence in - * dataset (that is not equal to sequenceI) Identifies matching DBRefEntry - * based on source and accession string only - Map and Version are nulled. - * - * @param sequenceI - * @param lrfs - * @param dataset - * @param rseqs - * @return true if matches were found. - */ - private static boolean searchDatasetXrefs(SequenceI sequenceI, - boolean dna, DBRefEntry[] lrfs, AlignmentI dataset, Vector rseqs, - AlignedCodonFrame cf) - { - boolean found = false; - if (lrfs == null) - return false; - for (int i = 0; i < lrfs.length; i++) - { - DBRefEntry xref = new DBRefEntry(lrfs[i]); - // add in wildcards - xref.setVersion(null); - xref.setMap(null); - found = searchDataset(sequenceI, xref, dataset, rseqs, cf, false, dna); - } - return found; - } - - /** - * search a given sequence dataset for references matching cross-references to - * the given sequence - * - * @param sequenceI - * @param xrf - * @param dataset - * @param rseqs - * set of unique sequences - * @param cf - * @return true if one or more unique sequences were found and added - */ - public static boolean searchDataset(SequenceI sequenceI, DBRefEntry xrf, - AlignmentI dataset, Vector rseqs, AlignedCodonFrame cf) - { - return searchDataset(sequenceI, xrf, dataset, rseqs, cf, true, false); - } - - /** - * TODO: generalise to different protein classifications Search dataset for - * DBRefEntrys matching the given one (xrf) and add the associated sequence to - * rseq. - * - * @param sequenceI - * @param xrf - * @param dataset - * @param rseqs - * @param direct - * - search all references or only subset - * @param dna - * search dna or protein xrefs (if direct=false) - * @return true if relationship found and sequence added. - */ - public static boolean searchDataset(SequenceI sequenceI, DBRefEntry xrf, - AlignmentI dataset, Vector rseqs, AlignedCodonFrame cf, - boolean direct, boolean dna) - { - boolean found = false; - SequenceI[] typer = new SequenceI[1]; - if (dataset == null) - return false; - if (dataset.getSequences() == null) - { - System.err.println("Empty dataset sequence set - NO VECTOR"); - return false; - } - List ds; - synchronized (ds = dataset.getSequences()) - { - for (SequenceI nxt : ds) - if (nxt != null) - { - if (nxt.getDatasetSequence() != null) - { - System.err - .println("Implementation warning: getProducts passed a dataset alignment without dataset sequences in it!"); - } - if (nxt != sequenceI && nxt != sequenceI.getDatasetSequence()) - { - // check if this is the correct sequence type - { - typer[0] = nxt; - boolean isDna = jalview.util.Comparison.isNucleotide(typer); - if ((direct && isDna == dna) || (!direct && isDna != dna)) - { - // skip this sequence because it is same molecule type - continue; - } - } - - // look for direct or indirect references in common - DBRefEntry[] poss = nxt.getDBRef(), cands = null; - if (direct) - { - cands = jalview.util.DBRefUtils.searchRefs(poss, xrf); - } - else - { - poss = CrossRef.findXDbRefs(dna, poss); // - cands = jalview.util.DBRefUtils.searchRefs(poss, xrf); - } - if (cands != null) - { - if (!rseqs.contains(nxt)) - { - rseqs.addElement(nxt); - boolean foundmap = cf != null; // don't search if we aren't - // given - // a codon map object - for (int r = 0; foundmap && r < cands.length; r++) - { - if (cands[r].hasMap()) - { - if (cands[r].getMap().getTo() != null - && cands[r].getMap().getMap().getFromRatio() != cands[r] - .getMap().getMap().getToRatio()) - { - foundmap = true; - // get sense of map correct for adding to product - // alignment. - if (dna) - { - // map is from dna seq to a protein product - cf.addMap(sequenceI, nxt, cands[r].getMap() - .getMap()); - } - else - { - // map should be from protein seq to its coding dna - cf.addMap(nxt, sequenceI, cands[r].getMap() - .getMap().getInverse()); - } - } - } - } - // TODO: add mapping between sequences if necessary - found = true; - } - } - - } - } - } - return found; - } - - /** - * precalculate different products that can be found for seqs in dataset and - * return them. - * - * @param dna - * @param seqs - * @param dataset - * @param fake - * - don't actually build lists - just get types - * @return public static Object[] buildXProductsList(boolean dna, SequenceI[] - * seqs, AlignmentI dataset, boolean fake) { String types[] = - * jalview.analysis.CrossRef.findSequenceXrefTypes( dna, seqs, - * dataset); if (types != null) { System.out.println("Xref Types for: - * "+(dna ? "dna" : "prot")); for (int t = 0; t < types.length; t++) { - * System.out.println("Type: " + types[t]); SequenceI[] prod = - * jalview.analysis.CrossRef.findXrefSequences(seqs, dna, types[t]); - * System.out.println("Found " + ((prod == null) ? "no" : "" + - * prod.length) + " products"); if (prod!=null) { for (int p=0; - * p. + */ +package jalview.analysis; + +import java.util.Enumeration; +import java.util.List; +import java.util.Vector; +import java.util.Hashtable; + +import jalview.datamodel.AlignedCodonFrame; +import jalview.datamodel.Alignment; +import jalview.datamodel.AlignmentI; +import jalview.datamodel.DBRefSource; +import jalview.datamodel.DBRefEntry; +import jalview.datamodel.Sequence; +import jalview.datamodel.SequenceI; +import jalview.ws.SequenceFetcher; +import jalview.ws.seqfetcher.ASequenceFetcher; + +/** + * Functions for cross-referencing sequence databases. user must first specify + * if cross-referencing from protein or dna (set dna==true) + * + * @author JimP + * + */ +public class CrossRef +{ + /** + * get the DNA or protein references for a protein or dna sequence + * + * @param dna + * @param rfs + * @return + */ + public static DBRefEntry[] findXDbRefs(boolean dna, DBRefEntry[] rfs) + { + if (dna) + { + rfs = jalview.util.DBRefUtils.selectRefs(rfs, DBRefSource.PROTEINDBS); + } + else + { + rfs = jalview.util.DBRefUtils.selectRefs(rfs, + DBRefSource.DNACODINGDBS); // could attempt to find other cross + // refs and return here - ie PDB xrefs + // (not dna, not protein seq) + } + return rfs; + } + + public static Hashtable classifyDbRefs(DBRefEntry[] rfs) + { + Hashtable classes = new Hashtable(); + classes.put(DBRefSource.PROTEINDBS, + jalview.util.DBRefUtils.selectRefs(rfs, DBRefSource.PROTEINDBS)); + classes.put(DBRefSource.DNACODINGDBS, jalview.util.DBRefUtils + .selectRefs(rfs, DBRefSource.DNACODINGDBS)); + classes.put(DBRefSource.DOMAINDBS, + jalview.util.DBRefUtils.selectRefs(rfs, DBRefSource.DOMAINDBS)); + // classes.put(OTHER, ) + return classes; + } + + /** + * @param dna + * true if seqs are DNA seqs + * @param seqs + * @return a list of sequence database cross reference source types + */ + public static String[] findSequenceXrefTypes(boolean dna, SequenceI[] seqs) + { + return findSequenceXrefTypes(dna, seqs, null); + } + + /** + * Indirect references are references from other sequences from the dataset to + * any of the direct DBRefEntrys on the given sequences. + * + * @param dna + * true if seqs are DNA seqs + * @param seqs + * @return a list of sequence database cross reference source types + */ + public static String[] findSequenceXrefTypes(boolean dna, + SequenceI[] seqs, AlignmentI dataset) + { + String[] dbrefs = null; + Vector refs = new Vector(); + for (int s = 0; s < seqs.length; s++) + { + if (seqs[s] != null) + { + + SequenceI dss = seqs[s]; + while (dss.getDatasetSequence() != null) + { + dss = dss.getDatasetSequence(); + } + DBRefEntry[] rfs = findXDbRefs(dna, dss.getDBRef()); + for (int r = 0; rfs != null && r < rfs.length; r++) + { + if (!refs.contains(rfs[r].getSource())) + { + refs.addElement(rfs[r].getSource()); + } + } + if (dataset != null) + { + // search for references to this sequence's direct references. + DBRefEntry[] lrfs = CrossRef + .findXDbRefs(!dna, seqs[s].getDBRef()); + Vector rseqs = new Vector(); + CrossRef.searchDatasetXrefs(seqs[s], !dna, lrfs, dataset, rseqs, + null); // don't need to specify codon frame for mapping here + Enumeration lr = rseqs.elements(); + while (lr.hasMoreElements()) + { + SequenceI rs = (SequenceI) lr.nextElement(); + DBRefEntry[] xrs = findXDbRefs(dna, rs.getDBRef()); + for (int r = 0; rfs != null && r < rfs.length; r++) + { + if (!refs.contains(rfs[r].getSource())) + { + refs.addElement(rfs[r].getSource()); + } + } + } + } + } + } + if (refs.size() > 0) + { + dbrefs = new String[refs.size()]; + refs.copyInto(dbrefs); + } + return dbrefs; + } + + /* + * if (dna) { if (rfs[r].hasMap()) { // most likely this is a protein cross + * reference if (!refs.contains(rfs[r].getSource())) { + * refs.addElement(rfs[r].getSource()); } } } + */ + public static boolean hasCdnaMap(SequenceI[] seqs) + { + String[] reftypes = findSequenceXrefTypes(false, seqs); + for (int s = 0; s < reftypes.length; s++) + { + if (reftypes.equals(DBRefSource.EMBLCDS)) + { + return true; + // no map + } + } + return false; + } + + public static SequenceI[] getCdnaMap(SequenceI[] seqs) + { + Vector cseqs = new Vector(); + for (int s = 0; s < seqs.length; s++) + { + DBRefEntry[] cdna = findXDbRefs(true, seqs[s].getDBRef()); + for (int c = 0; c < cdna.length; c++) + { + if (cdna[c].getSource().equals(DBRefSource.EMBLCDS)) + { + System.err + .println("TODO: unimplemented sequence retrieval for coding region sequence."); + // TODO: retrieve CDS dataset sequences + // need global dataset sequence retriever/resolver to reuse refs + // and construct Mapping entry. + // insert gaps in CDS according to peptide gaps. + // add gapped sequence to cseqs + } + } + } + if (cseqs.size() > 0) + { + SequenceI[] rsqs = new SequenceI[cseqs.size()]; + cseqs.copyInto(rsqs); + return rsqs; + } + return null; + + } + + /** + * + * @param dna + * @param seqs + * @return + */ + public static Alignment findXrefSequences(SequenceI[] seqs, boolean dna, + String source) + { + return findXrefSequences(seqs, dna, source, null); + } + + /** + * + * @param seqs + * @param dna + * @param source + * @param dataset + * alignment to search for product sequences. + * @return products (as dataset sequences) + */ + public static Alignment findXrefSequences(SequenceI[] seqs, boolean dna, + String source, AlignmentI dataset) + { + Vector rseqs = new Vector(); + Alignment ral = null; + AlignedCodonFrame cf = new AlignedCodonFrame(0); // nominal width + for (int s = 0; s < seqs.length; s++) + { + SequenceI dss = seqs[s]; + while (dss.getDatasetSequence() != null) + { + dss = dss.getDatasetSequence(); + } + boolean found = false; + DBRefEntry[] xrfs = CrossRef.findXDbRefs(dna, dss.getDBRef()); + if ((xrfs == null || xrfs.length == 0) && dataset != null) + { + System.out.println("Attempting to find ds Xrefs refs."); + DBRefEntry[] lrfs = CrossRef.findXDbRefs(!dna, seqs[s].getDBRef()); // less + // ambiguous + // would + // be a + // 'find + // primary + // dbRefEntry' + // method. + // filter for desired source xref here + found = CrossRef.searchDatasetXrefs(dss, !dna, lrfs, dataset, + rseqs, cf); + } + for (int r = 0; xrfs != null && r < xrfs.length; r++) + { + if (source != null && !source.equals(xrfs[r].getSource())) + continue; + if (xrfs[r].hasMap()) + { + if (xrfs[r].getMap().getTo() != null) + { + Sequence rsq = new Sequence(xrfs[r].getMap().getTo()); + rseqs.addElement(rsq); + if (xrfs[r].getMap().getMap().getFromRatio() != xrfs[r] + .getMap().getMap().getToRatio()) + { + // get sense of map correct for adding to product alignment. + if (dna) + { + // map is from dna seq to a protein product + cf.addMap(dss, rsq, xrfs[r].getMap().getMap()); + } + else + { + // map should be from protein seq to its coding dna + cf.addMap(rsq, dss, xrfs[r].getMap().getMap().getInverse()); + } + } + found = true; + } + } + if (!found) + { + // do a bit more work - search for sequences with references matching + // xrefs on this sequence. + if (dataset != null) + { + found |= searchDataset(dss, xrfs[r], dataset, rseqs, cf); // ,false,!dna); + if (found) + xrfs[r] = null; // we've recovered seqs for this one. + } + } + } + if (!found) + { + if (xrfs != null && xrfs.length > 0) + { + // Try and get the sequence reference... + /* + * Ideal world - we ask for a sequence fetcher implementation here if + * (jalview.io.RunTimeEnvironment.getSequenceFetcher()) ( + */ + ASequenceFetcher sftch = new SequenceFetcher(); + SequenceI[] retrieved = null; + int l = xrfs.length; + for (int r = 0; r < xrfs.length; r++) + { + // filter out any irrelevant or irretrievable references + if (xrfs[r] == null + || ((source != null && !source.equals(xrfs[r] + .getSource())) || !sftch.isFetchable(xrfs[r] + .getSource()))) + { + l--; + xrfs[r] = null; + } + } + if (l > 0) + { + System.out + .println("Attempting to retrieve cross referenced sequences."); + DBRefEntry[] t = new DBRefEntry[l]; + l = 0; + for (int r = 0; r < xrfs.length; r++) + { + if (xrfs[r] != null) + t[l++] = xrfs[r]; + } + xrfs = t; + try + { + retrieved = sftch.getSequences(xrfs); // problem here is we don't + // know which of xrfs + // resulted in which + // retrieved element + } catch (Exception e) + { + System.err + .println("Problem whilst retrieving cross references for Sequence : " + + seqs[s].getName()); + e.printStackTrace(); + } + if (retrieved != null) + { + for (int rs = 0; rs < retrieved.length; rs++) + { + // TODO: examine each sequence for 'redundancy' + jalview.datamodel.DBRefEntry[] dbr = retrieved[rs] + .getDBRef(); + if (dbr != null && dbr.length > 0) + { + for (int di = 0; di < dbr.length; di++) + { + // find any entry where we should put in the sequence being + // cross-referenced into the map + jalview.datamodel.Mapping map = dbr[di].getMap(); + if (map != null) + { + if (map.getTo() != null && map.getMap() != null) + { + // should search the local dataset to find any existing + // candidates for To ! + try + { + // compare ms with dss and replace with dss in mapping + // if map is congruent + SequenceI ms = map.getTo(); + int sf = map.getMap().getToLowest(); + int st = map.getMap().getToHighest(); + SequenceI mappedrg = ms.getSubSequence(sf, st); + SequenceI loc = dss.getSubSequence(sf, st); + if (mappedrg.getLength() > 0 + && mappedrg.getSequenceAsString().equals( + loc.getSequenceAsString())) + { + System.err + .println("Mapping updated for retrieved crossreference"); + // method to update all refs of existing To on + // retrieved sequence with dss and merge any props + // on To onto dss. + map.setTo(dss); + } + } catch (Exception e) + { + System.err + .println("Exception when consolidating Mapped sequence set..."); + e.printStackTrace(System.err); + } + } + } + } + } + retrieved[rs].updatePDBIds(); + rseqs.addElement(retrieved[rs]); + } + } + } + } + } + } + if (rseqs.size() > 0) + { + SequenceI[] rsqs = new SequenceI[rseqs.size()]; + rseqs.copyInto(rsqs); + ral = new Alignment(rsqs); + if (cf != null && cf.getProtMappings() != null) + { + ral.addCodonFrame(cf); + } + } + return ral; + } + + /** + * find references to lrfs in the cross-reference set of each sequence in + * dataset (that is not equal to sequenceI) Identifies matching DBRefEntry + * based on source and accession string only - Map and Version are nulled. + * + * @param sequenceI + * @param lrfs + * @param dataset + * @param rseqs + * @return true if matches were found. + */ + private static boolean searchDatasetXrefs(SequenceI sequenceI, + boolean dna, DBRefEntry[] lrfs, AlignmentI dataset, Vector rseqs, + AlignedCodonFrame cf) + { + boolean found = false; + if (lrfs == null) + return false; + for (int i = 0; i < lrfs.length; i++) + { + DBRefEntry xref = new DBRefEntry(lrfs[i]); + // add in wildcards + xref.setVersion(null); + xref.setMap(null); + found = searchDataset(sequenceI, xref, dataset, rseqs, cf, false, dna); + } + return found; + } + + /** + * search a given sequence dataset for references matching cross-references to + * the given sequence + * + * @param sequenceI + * @param xrf + * @param dataset + * @param rseqs + * set of unique sequences + * @param cf + * @return true if one or more unique sequences were found and added + */ + public static boolean searchDataset(SequenceI sequenceI, DBRefEntry xrf, + AlignmentI dataset, Vector rseqs, AlignedCodonFrame cf) + { + return searchDataset(sequenceI, xrf, dataset, rseqs, cf, true, false); + } + + /** + * TODO: generalise to different protein classifications Search dataset for + * DBRefEntrys matching the given one (xrf) and add the associated sequence to + * rseq. + * + * @param sequenceI + * @param xrf + * @param dataset + * @param rseqs + * @param direct + * - search all references or only subset + * @param dna + * search dna or protein xrefs (if direct=false) + * @return true if relationship found and sequence added. + */ + public static boolean searchDataset(SequenceI sequenceI, DBRefEntry xrf, + AlignmentI dataset, Vector rseqs, AlignedCodonFrame cf, + boolean direct, boolean dna) + { + boolean found = false; + SequenceI[] typer = new SequenceI[1]; + if (dataset == null) + return false; + if (dataset.getSequences() == null) + { + System.err.println("Empty dataset sequence set - NO VECTOR"); + return false; + } + List ds; + synchronized (ds = dataset.getSequences()) + { + for (SequenceI nxt : ds) + if (nxt != null) + { + if (nxt.getDatasetSequence() != null) + { + System.err + .println("Implementation warning: getProducts passed a dataset alignment without dataset sequences in it!"); + } + if (nxt != sequenceI && nxt != sequenceI.getDatasetSequence()) + { + // check if this is the correct sequence type + { + typer[0] = nxt; + boolean isDna = jalview.util.Comparison.isNucleotide(typer); + if ((direct && isDna == dna) || (!direct && isDna != dna)) + { + // skip this sequence because it is same molecule type + continue; + } + } + + // look for direct or indirect references in common + DBRefEntry[] poss = nxt.getDBRef(), cands = null; + if (direct) + { + cands = jalview.util.DBRefUtils.searchRefs(poss, xrf); + } + else + { + poss = CrossRef.findXDbRefs(dna, poss); // + cands = jalview.util.DBRefUtils.searchRefs(poss, xrf); + } + if (cands != null) + { + if (!rseqs.contains(nxt)) + { + rseqs.addElement(nxt); + boolean foundmap = cf != null; // don't search if we aren't + // given + // a codon map object + for (int r = 0; foundmap && r < cands.length; r++) + { + if (cands[r].hasMap()) + { + if (cands[r].getMap().getTo() != null + && cands[r].getMap().getMap().getFromRatio() != cands[r] + .getMap().getMap().getToRatio()) + { + foundmap = true; + // get sense of map correct for adding to product + // alignment. + if (dna) + { + // map is from dna seq to a protein product + cf.addMap(sequenceI, nxt, cands[r].getMap() + .getMap()); + } + else + { + // map should be from protein seq to its coding dna + cf.addMap(nxt, sequenceI, cands[r].getMap() + .getMap().getInverse()); + } + } + } + } + // TODO: add mapping between sequences if necessary + found = true; + } + } + + } + } + } + return found; + } + + /** + * precalculate different products that can be found for seqs in dataset and + * return them. + * + * @param dna + * @param seqs + * @param dataset + * @param fake + * - don't actually build lists - just get types + * @return public static Object[] buildXProductsList(boolean dna, SequenceI[] + * seqs, AlignmentI dataset, boolean fake) { String types[] = + * jalview.analysis.CrossRef.findSequenceXrefTypes( dna, seqs, + * dataset); if (types != null) { System.out.println("Xref Types for: + * "+(dna ? "dna" : "prot")); for (int t = 0; t < types.length; t++) { + * System.out.println("Type: " + types[t]); SequenceI[] prod = + * jalview.analysis.CrossRef.findXrefSequences(seqs, dna, types[t]); + * System.out.println("Found " + ((prod == null) ? "no" : "" + + * prod.length) + " products"); if (prod!=null) { for (int p=0; + * p