Examples of org.apache.lucene.search.DocIdSetIterator.nextDoc()

Class org.apache.lucene.search.DocIdSetIterator

Examples of org.apache.lucene.search.DocIdSetIterator.nextDoc()

org.apache.lucene.search.DocIdSetIterator.nextDoc()
Advances to the next document in the set and returns the doc it is currently on, or {@link #NO_MORE_DOCS} if there are no more docs in theset.
NOTE: after the iterator has exhausted you should not call this method, as it may result in unpredicted behavior. @since 2.9

          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Expected doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
          System.out.println("actual cardinality:" + actualResult.cardinality());
          iterator = actualResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Actual doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
        }
        assertEquals(expectedResult, actualResult);

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      DocIdSet docIDs = all.getDocIDs();
      assertTrue("should be cacheable", docIDs.isCacheable());
      DocIdSetIterator docIDsIter = docIDs.iterator();
      assertEquals("nextDoc() hasn't been called yet", -1, docIDsIter.docID());
      assertEquals(0, docIDsIter.nextDoc());
      assertEquals(1, docIDsIter.advance(1));
      // if advance is smaller than current doc, advance to cur+1.
      assertEquals(2, docIDsIter.advance(0));
    } finally {
      reader.close();

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        final DocIdSetIterator iter = getDocIDs().iterator();
        return new ScoredDocIDsIterator() {
          @Override
          public boolean next() {
            try {
              return iter.nextDoc() != DocIdSetIterator.NO_MORE_DOCS;
            } catch (IOException e) {
              // cannot happen
              return false;
            }
          }

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        final DocIdSetIterator iter = getDocIDs().iterator();
        return new ScoredDocIDsIterator() {
          @Override
          public boolean next() {
            try {
              return iter.nextDoc() != DocIdSetIterator.NO_MORE_DOCS;
            } catch (IOException e) {
              // cannot happen
              return false;
            }
          }

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      final DocIdSet docs = new QueryWrapperFilter(query).getDocIdSet(readerContext, reader.getLiveDocs());
      if (docs != null) {
        final DocIdSetIterator it = docs.iterator();
        if (it != null) {
          while(true)  {
            int doc = it.nextDoc();
            if (doc >= limit) {
              break;
            }


            if (!any) {

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    boolean allIteratorsShareSameFirstTarget = true;


    //iterator initialize, just one "next" for each DocIdSetIterator
    for ( int i = 1; i < iterators.length; i++ ) {
      final DocIdSetIterator iterator = iterators[i];
      final int position = iterator.nextDoc();
      if ( position == DocIdSetIterator.NO_MORE_DOCS ) {
        //current iterator has no values, so skip all
        return DocIdSetIterator.NO_MORE_DOCS;
      }
      if ( targetPosition != position ) {

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      BytesRef scratch = new BytesRef();
      DocIdSetIterator docs = hits.bits.iterator();
      
      int doc;
      while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
        //System.out.println("  doc=" + doc);
        // TODO: use OrdinalsReader?  we'd need to add a
        // BytesRef getAssociation()?
        dv.get(doc, scratch);
        byte[] bytes = scratch.bytes;

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      BytesRef scratch = new BytesRef();
      DocIdSetIterator docs = hits.bits.iterator();
      
      int doc;
      while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
        //System.out.println("  doc=" + doc);
        // TODO: use OrdinalsReader?  we'd need to add a
        // BytesRef getAssociation()?
        dv.get(doc, scratch);
        byte[] bytes = scratch.bytes;

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        if (hits.totalHits < numSegOrds/10) {
          //System.out.println("    remap as-we-go");
          // Remap every ord to global ord as we iterate:
          int doc;
          while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
            //System.out.println("    doc=" + doc);
            segValues.setDocument(doc);
            int term = (int) segValues.nextOrd();
            while (term != SortedSetDocValues.NO_MORE_ORDS) {
              //System.out.println("      segOrd=" + segOrd + " ord=" + term + " globalOrd=" + ordinalMap.getGlobalOrd(segOrd, term));

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          //System.out.println("    count in seg ord first");


          // First count in seg-ord space:
          final int[] segCounts = new int[numSegOrds];
          int doc;
          while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
            //System.out.println("    doc=" + doc);
            segValues.setDocument(doc);
            int term = (int) segValues.nextOrd();
            while (term != SortedSetDocValues.NO_MORE_ORDS) {
              //System.out.println("      ord=" + term);

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