X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSearchResults.java;h=629edb74e4d084cd9f8cd2db0cbb6865b31c1daa;hb=838e4f91d4a53dd315640dbc9ff6ef7a815ee576;hp=240052464ef1842fa1686be892d3af4cbe89f8b7;hpb=2de8acfae59aced665e4c37ad0f7dcc2ed68818e;p=jalview.git diff --git a/src/jalview/datamodel/SearchResults.java b/src/jalview/datamodel/SearchResults.java index 2400524..629edb7 100755 --- a/src/jalview/datamodel/SearchResults.java +++ b/src/jalview/datamodel/SearchResults.java @@ -1,85 +1,188 @@ /* - * Jalview - A Sequence Alignment Editor and Viewer (Development Version 2.4.1) - * Copyright (C) 2009 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle + * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b1) + * Copyright (C) 2015 The Jalview Authors * - * 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 file is part of Jalview. * - * 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. + * 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 this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + * along with Jalview. If not, see . + * The Jalview Authors are detailed in the 'AUTHORS' file. */ package jalview.datamodel; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; + +/** + * Holds a list of search result matches, where each match is a contiguous + * stretch of a single sequence. + * + * @author gmcarstairs + * + */ public class SearchResults { - Match[] matches; + private List matches = new ArrayList(); /** - * This method replaces the old search results which merely held an alignment - * index of search matches. This broke when sequences were moved around the - * alignment - * - * @param seq - * Sequence - * @param start - * int - * @param end - * int + * One match consists of a sequence reference, start and end positions. + * Discontiguous ranges in a sequence require two or more Match objects. */ - public void addResult(SequenceI seq, int start, int end) + public class Match { - if (matches == null) + SequenceI sequence; + + /** + * Start position of match in sequence (base 1) + */ + int start; + + /** + * End position (inclusive) (base 1) + */ + int end; + + /** + * Constructor + * + * @param seq + * a sequence + * @param start + * start position of matched range (base 1) + * @param end + * end of matched range (inclusive, base 1) + */ + public Match(SequenceI seq, int start, int end) { - matches = new Match[] - { new Match(seq, start, end) }; - return; + sequence = seq; + this.start = start; + this.end = end; } - int mSize = matches.length; + public SequenceI getSequence() + { + return sequence; + } - Match[] tmp = new Match[mSize + 1]; - int m; - for (m = 0; m < mSize; m++) + public int getStart() { - tmp[m] = matches[m]; + return start; } - tmp[m] = new Match(seq, start, end); + public int getEnd() + { + return end; + } - matches = tmp; + /** + * Returns the string of characters in the matched region, prefixed by the + * start position, e.g. "12CGT" or "208K" + */ + @Override + public String toString() + { + final int from = Math.max(start - 1, 0); + String startPosition = String.valueOf(from); + return startPosition + getCharacters(); + } + + /** + * Returns the string of characters in the matched region. + */ + public String getCharacters() + { + char[] chars = sequence.getSequence(); + // convert start/end to base 0 (with bounds check) + final int from = Math.max(start - 1, 0); + final int to = Math.min(end, chars.length + 1); + return String.valueOf(Arrays.copyOfRange(chars, from, to)); + } + + public void setSequence(SequenceI seq) + { + this.sequence = seq; + } + + /** + * Hashcode is the hashcode of the matched sequence plus a hash of start and + * end positions. Match objects that pass the test for equals are guaranteed + * to have the same hashcode. + */ + @Override + public int hashCode() + { + int hash = sequence == null ? 0 : sequence.hashCode(); + hash += 31 * start; + hash += 67 * end; + return hash; + } + + /** + * Two Match objects are equal if they are for the same sequence, start and + * end positions + */ + @Override + public boolean equals(Object obj) + { + if (obj == null || !(obj instanceof Match)) + { + return false; + } + Match m = (Match) obj; + return (this.sequence == m.sequence && this.start == m.start && this.end == m.end); + } + } + + /** + * This method replaces the old search results which merely held an alignment + * index of search matches. This broke when sequences were moved around the + * alignment + * + * @param seq + * Sequence + * @param start + * int + * @param end + * int + */ + public void addResult(SequenceI seq, int start, int end) + { + matches.add(new Match(seq, start, end)); } + /** * Quickly check if the given sequence is referred to in the search results - * @param sequence (specific alignment sequence or a dataset sequence) + * + * @param sequence + * (specific alignment sequence or a dataset sequence) * @return true if the results involve sequence */ public boolean involvesSequence(SequenceI sequence) { - if (matches==null || matches.length==0) - { - return false; - } SequenceI ds = sequence.getDatasetSequence(); - for (int m=0; m"+end +" or " + // + matchEnd+"<"+start); + } } } return result; @@ -149,37 +257,114 @@ public class SearchResults public int getSize() { - return matches == null ? 0 : matches.length; + return matches.size(); } public SequenceI getResultSequence(int index) { - return matches[index].sequence; + return matches.get(index).sequence; } - public int getResultStart(int index) + /** + * Returns the start position of the i'th match in the search results. + * + * @param i + * @return + */ + public int getResultStart(int i) { - return matches[index].start; + return matches.get(i).start; } - public int getResultEnd(int index) + /** + * Returns the end position of the i'th match in the search results. + * + * @param i + * @return + */ + public int getResultEnd(int i) { - return matches[index].end; + return matches.get(i).end; } - class Match + /** + * Returns true if no search result matches are held. + * + * @return + */ + public boolean isEmpty() { - SequenceI sequence; + return matches.isEmpty(); + } - int start; + /** + * Returns the list of matches. + * + * @return + */ + public List getResults() + { + return matches; + } - int end; + /** + * Return the results as a string of characters (bases) prefixed by start + * position(s). Meant for use when the context ensures that all matches are to + * regions of the same sequence (otherwise the result is meaningless). + * + * @return + */ + @Override + public String toString() + { + StringBuilder result = new StringBuilder(256); + for (Match m : matches) + { + result.append(m.toString()); + } + return result.toString(); + } - public Match(SequenceI seq, int start, int end) + /** + * Return the results as a string of characters (bases). Meant for use when + * the context ensures that all matches are to regions of the same sequence + * (otherwise the result is meaningless). + * + * @return + */ + public String getCharacters() + { + StringBuilder result = new StringBuilder(256); + for (Match m : matches) { - sequence = seq; - this.start = start; - this.end = end; + result.append(m.getCharacters()); + } + return result.toString(); + } + + /** + * Hashcode is has derived from the list of matches. This ensures that when + * two SearchResults objects satisfy the test for equals(), then they have the + * same hashcode. + */ + @Override + public int hashCode() + { + return matches.hashCode(); + } + + /** + * Two SearchResults are considered equal if they contain the same matches in + * the same order. + */ + @Override + public boolean equals(Object obj) + { + if (obj == null || !(obj instanceof SearchResults)) + { + return false; } + SearchResults sr = (SearchResults) obj; + return ((ArrayList) this.matches).equals(sr.matches); } }