+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ * 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;
-/**
- * <p>Title: </p>
- *
- * <p>Description: </p>
- *
- * <p>Copyright: Copyright (c) 2004</p>
- *
- * <p>Company: Dundee University</p>
- *
- * @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) {
+
+ /**
+ * 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()));
- sqinfo.put("SeqFeatures", seq.getSequenceFeatures());
- sqinfo.put("PdbId", (seq.getPDBId()!=null) ? seq.getPDBId() : new String("") );
+ if (seq.getDescription() != null)
+ {
+ sqinfo.put("Description", seq.getDescription());
+ }
+
+ Vector<SequenceFeature> sfeat = new Vector<SequenceFeature>();
+ List<SequenceFeature> 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<PDBEntry>());
+ }
+ 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
+ * 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) {
+ public static boolean SeqCharacterUnhash(SequenceI sq, Hashtable sqinfo)
+ {
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");
- java.util.Vector sfeatures = (java.util.Vector) sqinfo.get("SeqFeatures");
- String pdbid = (String) sqinfo.get("PdbId");
- if (oldname==null)
+ Vector<SequenceFeature> sfeatures = (Vector<SequenceFeature>) sqinfo
+ .get("SeqFeatures");
+ Vector<PDBEntry> pdbid = (Vector<PDBEntry>) 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.equals(""))
+ }
+ if (pdbid != null && pdbid.size() > 0)
+ {
sq.setPDBId(pdbid);
+ }
- if ((start!=null) && (end!=null)) {
+ if ((start != null) && (end != null))
+ {
sq.setStart(start.intValue());
sq.setEnd(end.intValue());
}
- if (sfeatures!=null)
+
+ if (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
+ * 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);
+ public static String unique_name(int i)
+ {
+ return new String("Sequence" + i);
}
- public static Hashtable uniquify(SequenceI[] sequences, boolean write_names)
+ /**
+ * 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
+ // 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];
- if (!write_names)
+ // String[] un_names = new String[sequences.length];
for (int i = 0; i < sequences.length; i++)
{
- String safename = new String("Sequence" + 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)
{
- // recover unsafe sequence names for a sequence set
- boolean allfound = true;
- for (int i = 0; i < sequences.length; i++)
+ 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++)
{
- if (map.containsKey(sequences[i].getName()))
+ unmatched.addElement(sequences[i]);
+ }
+ while (keys.hasMoreElements())
+ {
+ Object key = keys.nextElement();
+ if (key instanceof String)
{
- Hashtable sqinfo = (Hashtable) map.get(sequences[i].getName());
- SeqCharacterUnhash(sequences[i], sqinfo);
+ 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");
+ }
+ }
}
- else
+ }
+ 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()))
{
- allfound = false;
+ ;
}
+ return false;
}
- return allfound;
+
+ 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;
+ }
}