Examples of Bits

com.badlogic.gdx.utils.Bits
A bitset, without size limitation, allows comparison via bitwise operators to other bitfields. @author mzechner @author jshapcott
ivory.lsh.data.Bits
Bits is a bit-packet abstraction, containing a number of bits inside a byte array
org.apache.lucene.util.Bits
Interface for Bitset-like structures. @lucene.experimental
tv.porst.splib.binaryparser.Bits

Examples of org.apache.lucene.util.Bits

          try {
            startingGun.await();
            for (AtomicReaderContext context : ir.leaves()) {
              AtomicReader r = context.reader();
              BinaryDocValues binaries = r.getBinaryDocValues("dvBin");
              Bits binaryBits = r.getDocsWithField("dvBin");
              SortedDocValues sorted = r.getSortedDocValues("dvSorted");
              Bits sortedBits = r.getDocsWithField("dvSorted");
              NumericDocValues numerics = r.getNumericDocValues("dvNum");
              Bits numericBits = r.getDocsWithField("dvNum");
              SortedSetDocValues sortedSet = r.getSortedSetDocValues("dvSortedSet");
              Bits sortedSetBits = r.getDocsWithField("dvSortedSet");
              for (int j = 0; j < r.maxDoc(); j++) {
                BytesRef binaryValue = r.document(j).getBinaryValue("storedBin");
                if (binaryValue != null) {
                  if (binaries != null) {
                    BytesRef scratch = new BytesRef();
                    binaries.get(j, scratch);
                    assertEquals(binaryValue, scratch);
                    sorted.get(j, scratch);
                    assertEquals(binaryValue, scratch);
                    assertTrue(binaryBits.get(j));
                    assertTrue(sortedBits.get(j));
                  }
                } else if (binaries != null) {
                  assertFalse(binaryBits.get(j));
                  assertFalse(sortedBits.get(j));
                  assertEquals(-1, sorted.getOrd(j));
                }
               
                String number = r.document(j).get("storedNum");
                if (number != null) {
                  if (numerics != null) {
                    assertEquals(Long.parseLong(number), numerics.get(j));
                  }
                } else if (numerics != null) {
                  assertFalse(numericBits.get(j));
                  assertEquals(0, numerics.get(j));
                }
                
                String values[] = r.document(j).getValues("storedSortedSet");
                if (values.length > 0) {
                  assertNotNull(sortedSet);
                  sortedSet.setDocument(j);
                  for (int k = 0; k < values.length; k++) {
                    long ord = sortedSet.nextOrd();
                    assertTrue(ord != SortedSetDocValues.NO_MORE_ORDS);
                    BytesRef value = new BytesRef();
                    sortedSet.lookupOrd(ord, value);
                    assertEquals(values[k], value.utf8ToString());
                  }
                  assertEquals(SortedSetDocValues.NO_MORE_ORDS, sortedSet.nextOrd());
                  assertTrue(sortedSetBits.get(j));
                } else if (sortedSet != null) {
                  sortedSet.setDocument(j);
                  assertEquals(SortedSetDocValues.NO_MORE_ORDS, sortedSet.nextOrd());
                  assertFalse(sortedSetBits.get(j));
                }
              }
            }
            _TestUtil.checkReader(ir);
          } catch (Exception e) {

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Examples of org.apache.lucene.util.Bits

      final int firstFilterDoc = filterIter.nextDoc();
      if (firstFilterDoc == DocIdSetIterator.NO_MORE_DOCS) {
        return null;
      }
      
      final Bits filterAcceptDocs = docIdSet.bits();
      // force if RA is requested
      final boolean useRandomAccess = (filterAcceptDocs != null && (useRandomAccess(filterAcceptDocs, firstFilterDoc)));
      if (useRandomAccess) {
        // if we are using random access, we return the inner scorer, just with other acceptDocs
        return weight.scorer(context, scoreDocsInOrder, topScorer, filterAcceptDocs);

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Examples of org.apache.lucene.util.Bits

  private static final class QueryFirstFilterStrategy extends FilterStrategy {
    @Override
    public Scorer filteredScorer(final AtomicReaderContext context,
        boolean scoreDocsInOrder, boolean topScorer, Weight weight,
        DocIdSet docIdSet) throws IOException {
      Bits filterAcceptDocs = docIdSet.bits();
      if (filterAcceptDocs == null) {
        return LEAP_FROG_QUERY_FIRST_STRATEGY.filteredScorer(context, scoreDocsInOrder, topScorer, weight, docIdSet);
      }
      final Scorer scorer = weight.scorer(context, true, false, null);
      return scorer == null ? null : new QueryFirstScorer(weight,

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Examples of org.apache.lucene.util.Bits


    // The double[] takes two slots (one w/ null parser, one
    // w/ real parser), and docsWithField should also
    // have been populated:
    assertEquals(3, cache.getCacheEntries().length);
    Bits bits = cache.getDocsWithField(reader, "theDouble");


    // No new entries should appear:
    assertEquals(3, cache.getCacheEntries().length);
    assertTrue(bits instanceof Bits.MatchAllBits);


    FieldCache.Ints ints = cache.getInts(reader, "sparse", true);
    assertEquals(6, cache.getCacheEntries().length);
    Bits docsWithField = cache.getDocsWithField(reader, "sparse");
    assertEquals(6, cache.getCacheEntries().length);
    for (int i = 0; i < docsWithField.length(); i++) {
      if (i%2 == 0) {
        assertTrue(docsWithField.get(i));
        assertEquals(i, ints.get(i));
      } else {
        assertFalse(docsWithField.get(i));
      }
    }


    FieldCache.Ints numInts = cache.getInts(reader, "numInt", random().nextBoolean());
    docsWithField = cache.getDocsWithField(reader, "numInt");
    for (int i = 0; i < docsWithField.length(); i++) {
      if (i%2 == 0) {
        assertTrue(docsWithField.get(i));
        assertEquals(i, numInts.get(i));
      } else {
        assertFalse(docsWithField.get(i));
      }
    }
  }

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Examples of org.apache.lucene.util.Bits

                  restart.await();
                  if (iters.get() >= NUM_ITER) {
                    break;
                  }
                } else if (op == 1) {
                  Bits docsWithField = cache.getDocsWithField(reader, "sparse");
                  for (int i = 0; i < docsWithField.length(); i++) {
                    assertEquals(i%2 == 0, docsWithField.get(i));
                  }
                } else {
                  FieldCache.Ints ints = cache.getInts(reader, "sparse", true);
                  Bits docsWithField = cache.getDocsWithField(reader, "sparse");
                  for (int i = 0; i < docsWithField.length(); i++) {
                    if (i%2 == 0) {
                      assertTrue(docsWithField.get(i));
                      assertEquals(i, ints.get(i));
                    } else {
                      assertFalse(docsWithField.get(i));
                    }
                  }
                }
              }
            } catch (Throwable t) {

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Examples of org.apache.lucene.util.Bits

    try {
      new DocTermOrds(ar, null, "binary");
      fail();
    } catch (IllegalStateException expected) {}
    
    Bits bits = FieldCache.DEFAULT.getDocsWithField(ar, "binary");
    assertTrue(bits.get(0));
    
    // Sorted type: can be retrieved via getTerms(), getTermsIndex(), getDocTermOrds()
    try {
      FieldCache.DEFAULT.getInts(ar, "sorted", false);
      fail();
    } catch (IllegalStateException expected) {}
    
    try {
      new DocTermOrds(ar, null, "sorted");
      fail();
    } catch (IllegalStateException expected) {}
    
    binary = FieldCache.DEFAULT.getTerms(ar, "sorted", true);
    binary.get(0, scratch);
    assertEquals("sorted value", scratch.utf8ToString());
    
    SortedDocValues sorted = FieldCache.DEFAULT.getTermsIndex(ar, "sorted");
    assertEquals(0, sorted.getOrd(0));
    assertEquals(1, sorted.getValueCount());
    sorted.get(0, scratch);
    assertEquals("sorted value", scratch.utf8ToString());
    
    SortedSetDocValues sortedSet = FieldCache.DEFAULT.getDocTermOrds(ar, "sorted");
    sortedSet.setDocument(0);
    assertEquals(0, sortedSet.nextOrd());
    assertEquals(SortedSetDocValues.NO_MORE_ORDS, sortedSet.nextOrd());
    assertEquals(1, sortedSet.getValueCount());
    
    bits = FieldCache.DEFAULT.getDocsWithField(ar, "sorted");
    assertTrue(bits.get(0));
    
    // Numeric type: can be retrieved via getInts() and so on
    Ints numeric = FieldCache.DEFAULT.getInts(ar, "numeric", false);
    assertEquals(42, numeric.get(0));
    
    try {
      FieldCache.DEFAULT.getTerms(ar, "numeric", true);
      fail();
    } catch (IllegalStateException expected) {}
    
    try {
      FieldCache.DEFAULT.getTermsIndex(ar, "numeric");
      fail();
    } catch (IllegalStateException expected) {}
    
    try {
      FieldCache.DEFAULT.getDocTermOrds(ar, "numeric");
      fail();
    } catch (IllegalStateException expected) {}
    
    try {
      new DocTermOrds(ar, null, "numeric");
      fail();
    } catch (IllegalStateException expected) {}
    
    bits = FieldCache.DEFAULT.getDocsWithField(ar, "numeric");
    assertTrue(bits.get(0));
    
    // SortedSet type: can be retrieved via getDocTermOrds() 
    if (defaultCodecSupportsSortedSet()) {
      try {
        FieldCache.DEFAULT.getInts(ar, "sortedset", false);
        fail();
      } catch (IllegalStateException expected) {}
    
      try {
        FieldCache.DEFAULT.getTerms(ar, "sortedset", true);
        fail();
      } catch (IllegalStateException expected) {}
    
      try {
        FieldCache.DEFAULT.getTermsIndex(ar, "sortedset");
        fail();
      } catch (IllegalStateException expected) {}
      
      try {
        new DocTermOrds(ar, null, "sortedset");
        fail();
      } catch (IllegalStateException expected) {}
    
      sortedSet = FieldCache.DEFAULT.getDocTermOrds(ar, "sortedset");
      sortedSet.setDocument(0);
      assertEquals(0, sortedSet.nextOrd());
      assertEquals(1, sortedSet.nextOrd());
      assertEquals(SortedSetDocValues.NO_MORE_ORDS, sortedSet.nextOrd());
      assertEquals(2, sortedSet.getValueCount());
    
      bits = FieldCache.DEFAULT.getDocsWithField(ar, "sortedset");
      assertTrue(bits.get(0));
    }
    
    ir.close();
    dir.close();
  }

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Examples of org.apache.lucene.util.Bits

    
    SortedSetDocValues sortedSet = cache.getDocTermOrds(ar, "bogusmultivalued");
    sortedSet.setDocument(0);
    assertEquals(SortedSetDocValues.NO_MORE_ORDS, sortedSet.nextOrd());
    
    Bits bits = cache.getDocsWithField(ar, "bogusbits");
    assertFalse(bits.get(0));
    
    // check that we cached nothing
    assertEquals(0, cache.getCacheEntries().length);
    ir.close();
    dir.close();

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Examples of org.apache.lucene.util.Bits

    
    SortedSetDocValues sortedSet = cache.getDocTermOrds(ar, "bogusmultivalued");
    sortedSet.setDocument(0);
    assertEquals(SortedSetDocValues.NO_MORE_ORDS, sortedSet.nextOrd());
    
    Bits bits = cache.getDocsWithField(ar, "bogusbits");
    assertFalse(bits.get(0));
    
    // check that we cached nothing
    assertEquals(0, cache.getCacheEntries().length);
    ir.close();
    dir.close();

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Examples of org.apache.lucene.util.Bits

    // step 1: iterate thru each sub and mark terms still in use
    TermsEnum liveTerms[] = new TermsEnum[dvs.length];
    for (int sub = 0; sub < liveTerms.length; sub++) {
      AtomicReader reader = readers[sub];
      SortedDocValues dv = dvs[sub];
      Bits liveDocs = reader.getLiveDocs();
      if (liveDocs == null) {
        liveTerms[sub] = dv.termsEnum();
      } else {
        OpenBitSet bitset = new OpenBitSet(dv.getValueCount());
        for (int i = 0; i < reader.maxDoc(); i++) {
          if (liveDocs.get(i)) {
            int ord = dv.getOrd(i);
            if (ord >= 0) {
              bitset.set(ord);
            }
          }

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Examples of org.apache.lucene.util.Bits

    // step 1: iterate thru each sub and mark terms still in use
    TermsEnum liveTerms[] = new TermsEnum[dvs.length];
    for (int sub = 0; sub < liveTerms.length; sub++) {
      AtomicReader reader = readers[sub];
      SortedSetDocValues dv = dvs[sub];
      Bits liveDocs = reader.getLiveDocs();
      if (liveDocs == null) {
        liveTerms[sub] = dv.termsEnum();
      } else {
        OpenBitSet bitset = new OpenBitSet(dv.getValueCount());
        for (int i = 0; i < reader.maxDoc(); i++) {
          if (liveDocs.get(i)) {
            dv.setDocument(i);
            long ord;
            while ((ord = dv.nextOrd()) != SortedSetDocValues.NO_MORE_ORDS) {
              bitset.set(ord);
            }

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