示例#1
0
文件: FTAnd.java 项目: BaseXdb/basex
 /**
  * Merges two matches.
  *
  * @param i1 first item
  * @param i2 second item
  */
 private static void and(final FTNode i1, final FTNode i2) {
   final FTMatches all = new FTMatches((byte) Math.max(i1.matches().pos, i2.matches().pos));
   for (final FTMatch s1 : i1.matches()) {
     for (final FTMatch s2 : i2.matches()) {
       all.add(new FTMatch(s1.size() + s2.size()).add(s1).add(s2));
     }
   }
   i1.score(Scoring.avg(i1.score() + i2.score(), 2));
   i1.matches(all);
 }
示例#2
0
  @Override
  public FTNode item(final QueryContext qc, final InputInfo ii) throws QueryException {
    if (pos == 0) pos = ++qc.ftPos;
    matches.reset(pos);

    final int c = contains(qc);
    if (c == 0) matches.size(0);

    // scoring: include number of tokens for calculations
    return new FTNode(matches, c == 0 ? 0 : Scoring.word(c, qc.ftToken.count()));
  }
示例#3
0
 /**
  * Adds a match.
  *
  * @param s start position
  * @param e end position
  */
 void add(final int s, final int e) {
   if (!first && (mode == FTMode.ALL || mode == FTMode.ALL_WORDS)) matches.and(s, e);
   else matches.or(s, e);
 }