Package org.apache.lucene.index

Examples of org.apache.lucene.index.DocsEnum.nextDoc()

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    memory.addField("foo", "bar", analyzer);
    AtomicReader reader = (AtomicReader) memory.createSearcher().getIndexReader();
    DocsEnum disi = TestUtil.docs(random(), reader, "foo", new BytesRef("bar"), null, null, DocsEnum.FLAG_NONE);
    int docid = disi.docID();
    assertEquals(-1, docid);
    assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
   
    // now reuse and check again
    TermsEnum te = reader.terms("foo").iterator(null);
    assertTrue(te.seekExact(new BytesRef("bar")));
    disi = te.docs(null, disi, DocsEnum.FLAG_NONE);
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    TermsEnum te = reader.terms("foo").iterator(null);
    assertTrue(te.seekExact(new BytesRef("bar")));
    disi = te.docs(null, disi, DocsEnum.FLAG_NONE);
    docid = disi.docID();
    assertEquals(-1, docid);
    assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    reader.close();
  }
 
  private Allocator randomByteBlockAllocator() {
    if (random().nextBoolean()) {
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          termsEnum = terms.iterator(termsEnum);
          if (termsEnum.seekExact(catTerm)) {
            // liveDocs=null because the taxonomy has no deletes
            docs = termsEnum.docs(null, docs, 0 /* freqs not required */);
            // if the term was found, we know it has exactly one document.
            doc = docs.nextDoc() + ctx.docBase;
            break;
          }
        }
      }
    } finally {
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              // hence documents), there are no deletions in the index. Therefore, it
              // is sufficient to call next(), and then doc(), exactly once with no
              // 'validation' checks.
              FacetLabel cp = new FacetLabel(FacetsConfig.stringToPath(t.utf8ToString()));
              docsEnum = termsEnum.docs(null, docsEnum, DocsEnum.FLAG_NONE);
              boolean res = cache.put(cp, docsEnum.nextDoc() + ctx.docBase);
              assert !res : "entries should not have been evicted from the cache";
            } else {
              // the cache is full and the next put() will evict entries from it, therefore abort the iteration.
              aborted = true;
              break;
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        te = terms.iterator(te);
        while (te.next() != null) {
          FacetLabel cp = new FacetLabel(FacetsConfig.stringToPath(te.term().utf8ToString()));
          final int ordinal = addCategory(cp);
          docs = te.docs(null, docs, DocsEnum.FLAG_NONE);
          ordinalMap.addMapping(docs.nextDoc() + base, ordinal);
        }
        base += ar.maxDoc(); // no deletions, so we're ok
      }
      ordinalMap.addDone();
    } finally {
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        if (docFreq <= lowFreqCutoff) {

          ros.reset();

          // Pack postings for low-freq terms into a single int[]:
          while ((docID = docsEnum2.nextDoc()) != DocsEnum.NO_MORE_DOCS) {
            scratch.add(docID);
            if (hasFreq) {
              final int freq = docsEnum2.freq();
              scratch.add(freq);
              if (hasPos) {
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          }

          // Use separate int[] for the postings for high-freq
          // terms:
          int upto = 0;
          while ((docID = docsEnum2.nextDoc()) != DocsEnum.NO_MORE_DOCS) {
            docs[upto] = docID;
            if (hasFreq) {
              final int freq = docsEnum2.freq();
              freqs[upto] = freq;
              if (hasPos) {
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    assertEquals(SeekStatus.FOUND, termsEnum.seekCeil(new BytesRef(DOCS_ENUM_TERM)));
    DocsEnum docs = termsEnum.docs(mappedLiveDocs, null);

    int doc;
    int prev = -1;
    while ((doc = docs.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
      assertTrue("document " + doc + " marked as deleted", mappedLiveDocs == null || mappedLiveDocs.get(doc));
      assertEquals("incorrect value; doc " + doc, sortedValues[doc].intValue(), Integer.parseInt(reader.document(doc).get(ID_FIELD)));
      while (++prev < doc) {
        assertFalse("document " + prev + " not marked as deleted", mappedLiveDocs == null || mappedLiveDocs.get(prev));
      }
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    BytesRef term;
    while ((term = te.next()) != null) {
      OpenBitSet termBitset = new OpenBitSet(reader.maxDoc());
      DocsEnum docsEnum = MultiFields.getTermDocsEnum(reader, null, contentField, term);
      int docID;
      while ((docID = docsEnum.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
        //check to see if we don't have an deletions (null) or if document is live
        if (liveDocs != null && !liveDocs.get(docID)) {
          // document is deleted...
          termBitset.set(docsEnum.docID());
        }
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            break;
          }
          visitTerm(term);
          docs = termsEnum.docs(null, docs, DocsEnum.FLAG_NONE);
          while (true) {
            final int docID = docs.nextDoc();
            if (docID == DocIdSetIterator.NO_MORE_DOCS) {
              break;
            }
            visitDoc(docID);
            if (setDocsWithField) {
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