Esempio n. 1
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 /**
  * test does not imply that skipTo(doc+1) should work exactly the same as next -- it's only
  * applicable in this case since we know doc does not contain more than one span
  */
 public void testNearSpansSkipToLikeNext() throws Exception {
   SpanNearQuery q = makeQuery();
   Spans span = q.getSpans(searcher.getIndexReader());
   assertEquals(true, span.skipTo(0));
   assertEquals(s(0, 0, 3), s(span));
   assertEquals(true, span.skipTo(1));
   assertEquals(s(1, 0, 4), s(span));
   assertEquals(false, span.skipTo(2));
 }
Esempio n. 2
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 @Override
 public int advance(int target) throws IOException {
   if (!more) {
     return doc = NO_MORE_DOCS;
   }
   if (spans.doc() < target) { // setFreqCurrentDoc() leaves spans.doc() ahead
     more = spans.skipTo(target);
   }
   if (!setFreqCurrentDoc()) {
     doc = NO_MORE_DOCS;
   }
   return doc;
 }
 protected boolean doNext() throws IOException {
   for (; ; ) {
     switch (acceptPosition(this)) {
       case YES:
         return true;
       case NO:
         if (!spans.next()) return false;
         break;
       case NO_AND_ADVANCE:
         if (!spans.skipTo(spans.doc() + 1)) return false;
         break;
     }
   }
 }
Esempio n. 4
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  public boolean skipTo(int target) throws IOException {
    more = spans.skipTo(target);

    if (!more) return false;

    freq = 0.0f;
    doc = spans.doc();

    while (more && spans.doc() == target) {
      freq += getSimilarity().sloppyFreq(spans.end() - spans.start());
      more = spans.next();
    }

    return more || freq != 0.0f;
  }
Esempio n. 5
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    public boolean skipTo(int target) throws IOException {
      if (length != -1) // subtract old length
      totalLength -= length;

      boolean more = spans.skipTo(target); // skip

      if (more) {
        length = end() - start(); // compute new length
        totalLength += length; // add new length to total

        if (max == null
            || doc() > max.doc()
            || // maintain max
            (doc() == max.doc() && end() > max.end())) max = this;
      }

      return more;
    }
Esempio n. 6
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 public void testNearSpansSkipPast() throws Exception {
   SpanNearQuery q = makeQuery();
   Spans span = q.getSpans(searcher.getIndexReader());
   assertEquals(false, span.skipTo(2));
 }
    @Override
    public boolean skipTo(int target) throws IOException {
      if (!spans.skipTo(target)) return false;

      return doNext();
    }