2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.datamodel;
23 import java.util.ArrayList;
24 import java.util.BitSet;
25 import java.util.List;
28 * Holds a list of search result matches, where each match is a contiguous
29 * stretch of a single sequence.
31 * @author gmcarstairs amwaterhouse
34 public class SearchResults implements SearchResultsI
37 private List<SearchResultMatchI> matches = new ArrayList<>();
40 * One match consists of a sequence reference, start and end positions.
41 * Discontiguous ranges in a sequence require two or more Match objects.
43 public class Match implements SearchResultMatchI
45 final SequenceI sequence;
48 * Start position of match in sequence (base 1)
53 * End position (inclusive) (base 1)
58 * create a Match on a range of sequence. Match always holds region in
59 * forwards order, even if given in reverse order (such as from a mapping to
60 * a reverse strand); this avoids trouble for routines that highlight search
66 * start position of matched range (base 1)
68 * end of matched range (inclusive, base 1)
70 public Match(SequenceI seq, int start, int end)
75 * always hold in forwards order, even if given in reverse order
76 * (such as from a mapping to a reverse strand); this avoids
77 * trouble for routines that highlight search results etc
86 // TODO: JBP could mark match as being specified in reverse direction
88 // by caller ? e.g. visualizing reverse strand highlight
95 public SequenceI getSequence()
101 public int getStart()
113 * Returns a representation as "seqid/start-end"
116 public String toString()
118 StringBuilder sb = new StringBuilder();
119 if (sequence != null)
121 sb.append(sequence.getName()).append("/");
123 sb.append(start).append("-").append(end);
124 return sb.toString();
128 * Hashcode is the hashcode of the matched sequence plus a hash of start and
129 * end positions. Match objects that pass the test for equals are guaranteed
130 * to have the same hashcode.
133 public int hashCode()
135 int hash = sequence == null ? 0 : sequence.hashCode();
142 * Two Match objects are equal if they are for the same sequence, start and
146 public boolean equals(Object obj)
148 if (obj == null || !(obj instanceof SearchResultMatchI))
152 SearchResultMatchI m = (SearchResultMatchI) obj;
153 return (sequence == m.getSequence() && start == m.getStart()
154 && end == m.getEnd());
158 public boolean contains(SequenceI seq, int from, int to)
160 return (sequence == seq && start <= from && end >= to);
165 public SearchResultMatchI addResult(SequenceI seq, int start, int end)
167 Match m = new Match(seq, start, end);
168 if (!matches.contains(m))
176 public boolean involvesSequence(SequenceI sequence)
178 SequenceI ds = sequence.getDatasetSequence();
179 for (SearchResultMatchI _m : matches)
181 SequenceI matched = _m.getSequence();
182 if (matched != null && (matched == sequence || matched == ds))
191 public int[] getResults(SequenceI sequence, int start, int end)
193 if (matches.isEmpty())
200 int resultLength, matchStart = 0, matchEnd = 0;
203 for (SearchResultMatchI _m : matches)
208 if (m.sequence == sequence
209 || m.sequence == sequence.getDatasetSequence())
212 matchStart = sequence.findIndex(m.start) - 1;
213 matchEnd = m.start == m.end ? matchStart : sequence
214 .findIndex(m.end) - 1;
219 if (matchStart <= end && matchEnd >= start)
221 if (matchStart < start)
233 result = new int[] { matchStart, matchEnd };
237 resultLength = result.length;
238 tmp = new int[resultLength + 2];
239 System.arraycopy(result, 0, tmp, 0, resultLength);
241 result[resultLength] = matchStart;
242 result[resultLength + 1] = matchEnd;
248 // System.err.println("Outwith bounds!" + matchStart+">"+end +" or "
249 // + matchEnd+"<"+start);
257 public int markColumns(SequenceCollectionI sqcol, BitSet bs)
260 BitSet mask = new BitSet();
261 int startRes = sqcol.getStartRes();
262 int endRes = sqcol.getEndRes();
264 for (SequenceI s : sqcol.getSequences())
266 int[] cols = getResults(s, startRes, endRes);
269 for (int pair = 0; pair < cols.length; pair += 2)
271 mask.set(cols[pair], cols[pair + 1] + 1);
275 // compute columns that were newly selected
276 BitSet original = (BitSet) bs.clone();
278 count = mask.cardinality() - original.cardinality();
279 // and mark ranges not already marked
287 return matches.size();
291 public boolean isEmpty()
293 return matches.isEmpty();
297 public List<SearchResultMatchI> getResults()
303 * Return the results as a list of matches [seq1/from-to, seq2/from-to, ...]
308 public String toString()
310 return matches == null ? "" : matches.toString();
314 * Hashcode is derived from the list of matches. This ensures that when two
315 * SearchResults objects satisfy the test for equals(), then they have the
318 * @see Match#hashCode()
319 * @see java.util.AbstractList#hashCode()
322 public int hashCode()
324 return matches.hashCode();
328 * Two SearchResults are considered equal if they contain the same matches in
332 public boolean equals(Object obj)
334 if (obj == null || !(obj instanceof SearchResultsI))
338 SearchResultsI sr = (SearchResultsI) obj;
339 return matches.equals(sr.getResults());
343 public void addSearchResults(SearchResultsI toAdd)
345 matches.addAll(toAdd.getResults());