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

  void doIterate2(BitSet a, FixedBitSet b) throws IOException {
    int aa=-1,bb=-1;
    DocIdSetIterator iterator = b.iterator();
    do {
      aa = a.nextSetBit(aa+1);
      bb = random().nextBoolean() ? iterator.nextDoc() : iterator.advance(bb + 1);
      assertEquals(aa == -1 ? DocIdSetIterator.NO_MORE_DOCS : aa, bb);
    } while (aa>=0);
  }


  void doRandomSets(int maxSize, int iter, int mode) throws IOException {

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            //  System.out.println("      set docID=" + docID + " count=2");
            //}
            missingDims[slot] = 1;
            counts[slot] = 2;
          }
          docID = disi.nextDoc();
        }
      }


      for (int dim=1;dim<numDims;dim++) {
        //if (DEBUG) {

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                //  System.out.println("      set docID=" + docID + " missing count=" + (dim+1));
                //}
                counts[slot] = dim+1;
              }
            }
            docID = disi.nextDoc();
          }
        }
      }


      // Collect:

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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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    DocIdSetIterator ib = b.iterator();


    // test for next() equivalence
    for(;;) {
      int da = ia.nextDoc();
      int db = ib.nextDoc();
      assertEquals(da, db);
      assertEquals(ia.docID(), ib.docID());
      if (da==DocIdSetIterator.NO_MORE_DOCS) break;
    }

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      int doc = -1;
      for (;;) {
        int da,db;
        if (rand.nextBoolean()) {
          da = ia.nextDoc();
          db = ib.nextDoc();
        } else {
          int target = doc + rand.nextInt(10) + 1;  // keep in mind future edge cases like probing (increase if necessary)
          da = ia.advance(target);
          db = ib.advance(target);
        }

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      return; // return immediately
    }


    DocIdSetIterator it = set.iterator();
    int doc = DocIdSetIterator.NO_MORE_DOCS;
    while ((doc = it.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
      if (reader.isDeleted(doc)) {
        set.fastClear(doc);
      }
    }
  }

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      public ScoredDocIDsIterator iterator() throws IOException {
        final DocIdSetIterator docIterator = docIdSet.iterator();
        return new ScoredDocIDsIterator() {
          public boolean next() {
            try {
              return docIterator.nextDoc() != DocIdSetIterator.NO_MORE_DOCS;
            } catch (IOException e) {
              throw new RuntimeException(e);
            }
          }

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

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

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