X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FSeqsetUtils.java;h=891e29523260abfa21b0091368fd532b61f658ce;hb=26816cdcb7617e74fad006d2c675efb298e0d9b1;hp=691b905fe282f389be490f5d7ddffbc0a4dec258;hpb=173a7ca81c8d8c00f889fd4e3583cc8733d3d179;p=jalview.git diff --git a/src/jalview/analysis/SeqsetUtils.java b/src/jalview/analysis/SeqsetUtils.java index 691b905..891e295 100755 --- a/src/jalview/analysis/SeqsetUtils.java +++ b/src/jalview/analysis/SeqsetUtils.java @@ -1,222 +1,327 @@ -/* - * Jalview - A Sequence Alignment Editor and Viewer - * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle - * - * This program 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 2 - * of the License, or (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA - */ -package jalview.analysis; - -import java.util.*; - -import jalview.datamodel.*; - -/** - *

Title:

- * - *

Description:

- * - *

Copyright: Copyright (c) 2004

- * - *

Company: Dundee University

- * - * @author not attributable - * @version 1.0 - */ -public class SeqsetUtils -{ - - /** - * Store essential properties of a sequence in a hashtable for later recovery - * Keys are Name, Start, End, SeqFeatures, PdbId - * @param seq SequenceI - * @return Hashtable - */ - public static Hashtable SeqCharacterHash(SequenceI seq) - { - Hashtable sqinfo = new Hashtable(); - sqinfo.put("Name", seq.getName()); - sqinfo.put("Start", new Integer(seq.getStart())); - sqinfo.put("End", new Integer(seq.getEnd())); - Vector sfeat = new Vector(); - jalview.datamodel.SequenceFeature[] sfarray=seq.getSequenceFeatures(); - if (sfarray!=null && sfarray.length>0) { - for (int i=0;i0) - { - sq.setPDBId(pdbid); - } - - if ( (start != null) && (end != null)) - { - sq.setStart(start.intValue()); - sq.setEnd(end.intValue()); - } - - if ((sfeatures != null) && (sfeatures.size()>0)) - { - SequenceFeature[] sfarray = (SequenceFeature[]) sfeatures.toArray(); - sq.setSequenceFeatures(sfarray); - } - - if ((seqds!=null) && !(seqds.getName().equals("THISISAPLACEHOLDER") && seqds.getLength()==0)) { - sq.setDatasetSequence(seqds); - } - - return namePresent; - } - - /** - * Form of the unique name used in uniquify for the i'th sequence in an ordered vector of sequences. - * @param i int - * @return String - */ - public static String unique_name(int i) - { - return new String("Sequence" + i); - } - - /** - * Generates a hash of SeqCharacterHash properties for each sequence - * in a sequence set, and optionally renames the sequences to an - * unambiguous 'safe' name. - * @param sequences SequenceI[] - * @param write_names boolean set this to rename each of the sequences to its unique_name(index) name - * @return Hashtable to be passed to @see deuniquify to recover original names (and properties) for renamed sequences - */ - public static Hashtable uniquify(SequenceI[] sequences, boolean write_names) - { - // Generate a safely named sequence set and a hash to recover the sequence names - Hashtable map = new Hashtable(); - //String[] un_names = new String[sequences.length]; - - for (int i = 0; i < sequences.length; i++) - { - String safename = unique_name(i); - map.put(safename, SeqCharacterHash(sequences[i])); - - if (write_names) - { - sequences[i].setName(safename); - } - } - - - return map; - } - /** - * recover unsafe sequence names and original properties for a sequence - * set using a map generated by @see uniquify(sequences,true) - * @param map Hashtable - * @param sequences SequenceI[] - * @return boolean - */ - public static boolean deuniquify(Hashtable map, SequenceI[] sequences) - { - jalview.analysis.SequenceIdMatcher matcher = new SequenceIdMatcher(sequences); - SequenceI msq = null; - Enumeration keys = map.keys(); - Vector unmatched = new Vector(); - for (int i=0, j=sequences.length; i0) { - System.err.println("Did not find matches for :"); - for (Enumeration i = unmatched.elements(); i.hasMoreElements(); System.out.println(((SequenceI) i.nextElement()).getName())) - ; - return false; - } - - return true; - } - /** - * returns a subset of the sequenceI seuqences, - * including only those that contain at least one residue. - * @param sequences SequenceI[] - * @return SequenceI[] - */ - public static SequenceI[] getNonEmptySequenceSet(SequenceI[] sequences) { - // Identify first row of alignment with residues for prediction - boolean ungapped[] = new boolean[sequences.length]; - int msflen=0; - for (int i=0,j=sequences.length; i. + * The Jalview Authors are detailed in the 'AUTHORS' file. + */ +package jalview.analysis; + +import jalview.datamodel.PDBEntry; +import jalview.datamodel.Sequence; +import jalview.datamodel.SequenceFeature; +import jalview.datamodel.SequenceI; + +import java.util.Enumeration; +import java.util.Hashtable; +import java.util.List; +import java.util.Vector; + +public class SeqsetUtils +{ + + /** + * Store essential properties of a sequence in a hashtable for later recovery + * Keys are Name, Start, End, SeqFeatures, PdbId + * + * @param seq + * SequenceI + * @return Hashtable + */ + public static Hashtable SeqCharacterHash(SequenceI seq) + { + Hashtable sqinfo = new Hashtable(); + sqinfo.put("Name", seq.getName()); + sqinfo.put("Start", Integer.valueOf(seq.getStart())); + sqinfo.put("End", Integer.valueOf(seq.getEnd())); + if (seq.getDescription() != null) + { + sqinfo.put("Description", seq.getDescription()); + } + + Vector sfeat = new Vector(); + List sfs = seq.getFeatures().getAllFeatures(); + sfeat.addAll(sfs); + + if (seq.getDatasetSequence() == null) + { + sqinfo.put("SeqFeatures", sfeat); + sqinfo.put("PdbId", + (seq.getAllPDBEntries() != null) ? seq.getAllPDBEntries() + : new Vector()); + } + else + { + sqinfo.put("datasetSequence", + (seq.getDatasetSequence() != null) ? seq.getDatasetSequence() + : new Sequence("THISISAPLACEHOLDER", "")); + } + return sqinfo; + } + + /** + * Recover essential properties of a sequence from a hashtable TODO: replace + * these methods with something more elegant. + * + * @param sq + * SequenceI + * @param sqinfo + * Hashtable + * @return boolean true if name was not updated from sqinfo Name entry + */ + public static boolean SeqCharacterUnhash(SequenceI sq, Hashtable sqinfo) + { + return SeqCharacterUnhash(sq, sqinfo, false, false); + } + + /** + * restore some characteristics for a sequence from its hash + * @param sq + * @param sqinfo + * @param excludeLimits - when true, start/end is left unmodified + * @param excludeFeatures - when true, features are not restored from stashed vector + * @return true if sequence's name was modified + */ + + public static boolean SeqCharacterUnhash(SequenceI sq, Hashtable sqinfo, boolean excludeLimits,boolean excludeFeatures) + { + boolean namePresent = true; + if (sqinfo == null) + { + return false; + } + String oldname = (String) sqinfo.get("Name"); + Integer start = (Integer) sqinfo.get("Start"); + Integer end = (Integer) sqinfo.get("End"); + Vector sfeatures = (Vector) sqinfo + .get("SeqFeatures"); + Vector pdbid = (Vector) sqinfo.get("PdbId"); + String description = (String) sqinfo.get("Description"); + Sequence seqds = (Sequence) sqinfo.get("datasetSequence"); + if (oldname == null) + { + namePresent = false; + } + else + { + sq.setName(oldname); + } + if (pdbid != null && pdbid.size() > 0) + { + sq.setPDBId(pdbid); + } + + if (!excludeLimits && (start != null) && (end != null)) + { + sq.setStart(start.intValue()); + sq.setEnd(end.intValue()); + } + // TODO: drop this completely since we should not manipulate sequenceFeatures as a vector any more + if (!excludeFeatures && sfeatures != null && !sfeatures.isEmpty()) + { + sq.setSequenceFeatures(sfeatures); + } + if (description != null) + { + sq.setDescription(description); + } + if ((seqds != null) && !(seqds.getName().equals("THISISAPLACEHOLDER") + && seqds.getLength() == 0)) + { + if (sfeatures != null) + { + System.err.println( + "Implementation error: setting dataset sequence for a sequence which has sequence features.\n\tDataset sequence features will not be visible."); + } + sq.setDatasetSequence(seqds); + } + + return namePresent; + } + + /** + * Form of the unique name used in uniquify for the i'th sequence in an + * ordered vector of sequences. + * + * @param i + * int + * @return String + */ + public static String unique_name(int i) + { + return new String("Sequence" + i); + } + + /** + * Generates a hash of SeqCharacterHash properties for each sequence in a + * sequence set, and optionally renames the sequences to an unambiguous 'safe' + * name. + * + * @param sequences + * SequenceI[] + * @param write_names + * boolean set this to rename each of the sequences to its + * unique_name(index) name + * @return Hashtable to be passed to + * @see deuniquify to recover original names (and properties) for renamed + * sequences + */ + public static Hashtable uniquify(SequenceI[] sequences, + boolean write_names) + { + // Generate a safely named sequence set and a hash to recover the sequence + // names + Hashtable map = new Hashtable(); + // String[] un_names = new String[sequences.length]; + + for (int i = 0; i < sequences.length; i++) + { + String safename = unique_name(i); + map.put(safename, SeqCharacterHash(sequences[i])); + + if (write_names) + { + sequences[i].setName(safename); + } + } + + return map; + } + + /** + * recover unsafe sequence names and original properties for a sequence set + * using a map generated by + * + * @see uniquify(sequences,true) + * @param map + * Hashtable + * @param sequences + * SequenceI[] + * @return boolean + */ + public static boolean deuniquify(Hashtable map, SequenceI[] sequences) + { + return deuniquify(map, sequences, true); + } + + /** + * recover unsafe sequence names and original properties for a sequence set + * using a map generated by + * + * @see uniquify(sequences,true) + * @param map + * Hashtable + * @param sequences + * SequenceI[] + * @param quiet + * when false, don't complain about sequences without any data in the + * map. + * @return boolean + */ + public static boolean deuniquify(Hashtable map, SequenceI[] sequences, + boolean quiet) + { + jalview.analysis.SequenceIdMatcher matcher = new SequenceIdMatcher( + sequences); + SequenceI msq = null; + Enumeration keys = map.keys(); + Vector unmatched = new Vector(); + for (int i = 0, j = sequences.length; i < j; i++) + { + unmatched.addElement(sequences[i]); + } + while (keys.hasMoreElements()) + { + Object key = keys.nextElement(); + if (key instanceof String) + { + if ((msq = matcher.findIdMatch((String) key)) != null) + { + Hashtable sqinfo = (Hashtable) map.get(key); + unmatched.removeElement(msq); + SeqCharacterUnhash(msq, sqinfo); + } + else + { + if (!quiet) + { + System.err.println("Can't find '" + ((String) key) + + "' in uniquified alignment"); + } + } + } + } + if (unmatched.size() > 0 && !quiet) + { + System.err.println("Did not find matches for :"); + for (Enumeration i = unmatched.elements(); i + .hasMoreElements(); System.out + .println(((SequenceI) i.nextElement()).getName())) + { + ; + } + return false; + } + + return true; + } + + /** + * returns a subset of the sequenceI seuqences, including only those that + * contain at least one residue. + * + * @param sequences + * SequenceI[] + * @return SequenceI[] + */ + public static SequenceI[] getNonEmptySequenceSet(SequenceI[] sequences) + { + // Identify first row of alignment with residues for prediction + boolean ungapped[] = new boolean[sequences.length]; + int msflen = 0; + for (int i = 0, j = sequences.length; i < j; i++) + { + String tempseq = jalview.analysis.AlignSeq.extractGaps( + jalview.util.Comparison.GapChars, + sequences[i].getSequenceAsString()); + + if (tempseq.length() == 0) + { + ungapped[i] = false; + } + else + { + ungapped[i] = true; + msflen++; + } + } + if (msflen == 0) + { + return null; // no minimal set + } + // compose minimal set + SequenceI[] mset = new SequenceI[msflen]; + for (int i = 0, j = sequences.length, k = 0; i < j; i++) + { + if (ungapped[i]) + { + mset[k++] = sequences[i]; + } + } + ungapped = null; + return mset; + } +}