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

    boolean anyMissing = false;
    final Bits[] values = new Bits[size];
    final int[] starts = new int[size+1];
    for (int i = 0; i < size; i++) {
      AtomicReaderContext context = leaves.get(i);
      Bits v = context.reader().getDocsWithField(field);
      if (v == null) {
        v = new Bits.MatchNoBits(context.reader().maxDoc());
        anyMissing = true;
      } else {
        anyReal = true;

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Examples of org.apache.lucene.util.Bits

          if (type == DocValuesType.NUMERIC) {
            List<NumericDocValues> toMerge = new ArrayList<NumericDocValues>();
            List<Bits> docsWithField = new ArrayList<Bits>();
            for (AtomicReader reader : mergeState.readers) {
              NumericDocValues values = reader.getNumericDocValues(field.name);
              Bits bits = reader.getDocsWithField(field.name);
              if (values == null) {
                values = NumericDocValues.EMPTY;
                bits = new Bits.MatchNoBits(reader.maxDoc());
              }
              toMerge.add(values);
              docsWithField.add(bits);
            }
            consumer.mergeNumericField(field, mergeState, toMerge, docsWithField);
          } else if (type == DocValuesType.BINARY) {
            List<BinaryDocValues> toMerge = new ArrayList<BinaryDocValues>();
            List<Bits> docsWithField = new ArrayList<Bits>();
            for (AtomicReader reader : mergeState.readers) {
              BinaryDocValues values = reader.getBinaryDocValues(field.name);
              Bits bits = reader.getDocsWithField(field.name);
              if (values == null) {
                values = BinaryDocValues.EMPTY;
                bits = new Bits.MatchNoBits(reader.maxDoc());
              }
              toMerge.add(values);

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Examples of org.apache.lucene.util.Bits

    assertSame("Second request with explicit parser return same array", floats, cache.getFloats(reader, "theFloat", FieldCache.DEFAULT_FLOAT_PARSER, random().nextBoolean()));
    for (int i = 0; i < NUM_DOCS; i++) {
      assertTrue(floats.get(i) + " does not equal: " + (Float.MAX_VALUE - i), floats.get(i) == (Float.MAX_VALUE - i));
    }


    Bits docsWithField = cache.getDocsWithField(reader, "theLong");
    assertSame("Second request to cache return same array", docsWithField, cache.getDocsWithField(reader, "theLong"));
    assertTrue("docsWithField(theLong) must be class Bits.MatchAllBits", docsWithField instanceof Bits.MatchAllBits);
    assertTrue("docsWithField(theLong) Size: " + docsWithField.length() + " is not: " + NUM_DOCS, docsWithField.length() == NUM_DOCS);
    for (int i = 0; i < docsWithField.length(); i++) {
      assertTrue(docsWithField.get(i));
    }
    
    docsWithField = cache.getDocsWithField(reader, "sparse");
    assertSame("Second request to cache return same array", docsWithField, cache.getDocsWithField(reader, "sparse"));
    assertFalse("docsWithField(sparse) must not be class Bits.MatchAllBits", docsWithField instanceof Bits.MatchAllBits);
    assertTrue("docsWithField(sparse) Size: " + docsWithField.length() + " is not: " + NUM_DOCS, docsWithField.length() == NUM_DOCS);
    for (int i = 0; i < docsWithField.length(); i++) {
      assertEquals(i%2 == 0, docsWithField.get(i));
    }


    // getTermsIndex
    SortedDocValues termsIndex = cache.getTermsIndex(reader, "theRandomUnicodeString");
    assertSame("Second request to cache return same array", termsIndex, cache.getTermsIndex(reader, "theRandomUnicodeString"));
    final BytesRef br = new BytesRef();
    for (int i = 0; i < NUM_DOCS; i++) {
      final BytesRef term;
      final int ord = termsIndex.getOrd(i);
      if (ord == -1) {
        term = null;
      } else {
        termsIndex.lookupOrd(ord, br);
        term = br;
      }
      final String s = term == null ? null : term.utf8ToString();
      assertTrue("for doc " + i + ": " + s + " does not equal: " + unicodeStrings[i], unicodeStrings[i] == null || unicodeStrings[i].equals(s));
    }


    int nTerms = termsIndex.getValueCount();


    TermsEnum tenum = termsIndex.termsEnum();
    BytesRef val = new BytesRef();
    for (int i=0; i<nTerms; i++) {
      BytesRef val1 = tenum.next();
      termsIndex.lookupOrd(i, val);
      // System.out.println("i="+i);
      assertEquals(val, val1);
    }


    // seek the enum around (note this isn't a great test here)
    int num = atLeast(100);
    for (int i = 0; i < num; i++) {
      int k = random().nextInt(nTerms);
      termsIndex.lookupOrd(k, val);
      assertEquals(TermsEnum.SeekStatus.FOUND, tenum.seekCeil(val));
      assertEquals(val, tenum.term());
    }


    for(int i=0;i<nTerms;i++) {
      termsIndex.lookupOrd(i, val);
      assertEquals(TermsEnum.SeekStatus.FOUND, tenum.seekCeil(val));
      assertEquals(val, tenum.term());
    }


    // test bad field
    termsIndex = cache.getTermsIndex(reader, "bogusfield");


    // getTerms
    BinaryDocValues terms = cache.getTerms(reader, "theRandomUnicodeString", true);
    assertSame("Second request to cache return same array", terms, cache.getTerms(reader, "theRandomUnicodeString", true));
    Bits bits = cache.getDocsWithField(reader, "theRandomUnicodeString");
    for (int i = 0; i < NUM_DOCS; i++) {
      terms.get(i, br);
      final BytesRef term;
      if (!bits.get(i)) {
        term = null;
      } else {
        term = br;
      }
      final String s = term == null ? null : term.utf8ToString();

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Examples of org.apache.lucene.util.Bits

    @Override
    public Scorer scorer(AtomicReaderContext context, boolean scoreDocsInOrder,
        boolean topScorer, Bits acceptDocs) throws IOException {
      assert !termArrays.isEmpty();
      final AtomicReader reader = context.reader();
      final Bits liveDocs = acceptDocs;
      
      PhraseQuery.PostingsAndFreq[] postingsFreqs = new PhraseQuery.PostingsAndFreq[termArrays.size()];


      final Terms fieldTerms = reader.terms(field);
      if (fieldTerms == null) {

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Examples of org.apache.lucene.util.Bits

    private MonotonicAppendingLongBuffer getDeletes(List<AtomicReader> readers) {
      MonotonicAppendingLongBuffer deletes = new MonotonicAppendingLongBuffer();
      int deleteCount = 0;
      for (AtomicReader reader : readers) {
        final int maxDoc = reader.maxDoc();
        final Bits liveDocs = reader.getLiveDocs();
        for (int i = 0; i < maxDoc; ++i) {
          if (liveDocs != null && !liveDocs.get(i)) {
            ++deleteCount;
          } else {
            deletes.add(deleteCount);
          }
        }

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Examples of org.apache.lucene.util.Bits

    }
  }
  
  @Override
  public Bits getLiveDocs() {
    final Bits inLiveDocs = in.getLiveDocs();
    if (inLiveDocs == null) {
      return null;
    } else {
      return new SortingBits(inLiveDocs, docMap);
    }

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Examples of org.apache.lucene.util.Bits

    }  
  }


  @Override
  public Bits getDocsWithField(String field) throws IOException {
    Bits bits = in.getDocsWithField(field);
    if (bits == null || bits instanceof Bits.MatchAllBits || bits instanceof Bits.MatchNoBits) {
      return bits;
    } else {
      return new SortingBits(bits, docMap);
    }

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Examples of org.apache.lucene.util.Bits


    Bits newToOld(final Bits liveDocs) {
      if (liveDocs == null) {
        return null;
      }
      return new Bits() {


        @Override
        public boolean get(int index) {
          return liveDocs.get(docMap.oldToNew(index));
        }

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Examples of org.apache.lucene.util.Bits

   * checks the terms enum sequentially
   * if deep is false, it does a 'shallow' test that doesnt go down to the docsenums
   */
  public void assertTermsEnum(TermsEnum leftTermsEnum, TermsEnum rightTermsEnum, boolean deep) throws Exception {
    BytesRef term;
    Bits randomBits = new RandomBits(MAXDOC, random().nextDouble(), random());
    DocsAndPositionsEnum leftPositions = null;
    DocsAndPositionsEnum rightPositions = null;
    DocsEnum leftDocs = null;
    DocsEnum rightDocs = null;

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Examples of org.apache.lucene.util.Bits

      }
    });
    
    if (VERBOSE) {
      System.out.print("mapped-deleted-docs: ");
      Bits mappedLiveDocs = reader.getLiveDocs();
      for (int i = 0; i < mappedLiveDocs.length(); i++) {
        if (!mappedLiveDocs.get(i)) {
          System.out.print(i + " ");
        }
      }
      System.out.println();
    }

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