Examples of org.apache.lucene.index.NumericDocValues

org.apache.lucene.index.NumericDocValues
A per-document numeric value.

    }
  }
  
  @Test
  public void testNormValues() throws Exception {
    NumericDocValues dv = reader.getNormValues(NORMS_FIELD);
    int maxDoc = reader.maxDoc();
    for (int i = 0; i < maxDoc; i++) {
      assertEquals("incorrect norm value for doc " + i, sortedValues[i].intValue(), dv.get(i));
    }
  }

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    }
  }
  
  @Test
  public void testNumericDocValuesField() throws Exception {
    NumericDocValues dv = reader.getNumericDocValues(NUMERIC_DV_FIELD);
    int maxDoc = reader.maxDoc();
    for (int i = 0; i < maxDoc; i++) {
      assertEquals("incorrect numeric DocValues for doc " + i, sortedValues[i].intValue(), dv.get(i));
    }
  }

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    writer.add(1);
    writer.add(2);
    writer.finish();
    output.close();
    IndexInput input = dir.openInput("foo", IOContext.DEFAULT);
    NumericDocValues reader = DirectReader.getInstance(input.randomAccessSlice(0, input.length()), bitsPerValue);
    assertEquals(1, reader.get(0));
    assertEquals(0, reader.get(1));
    assertEquals(2, reader.get(2));
    assertEquals(1, reader.get(3));
    assertEquals(2, reader.get(4));
    input.close();
    dir.close();
  }

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        writer.add(original[j]);
      }
      writer.finish();
      output.close();
      IndexInput input = directory.openInput(name, IOContext.DEFAULT);
      NumericDocValues reader = DirectReader.getInstance(input.randomAccessSlice(0, input.length()), bitsRequired);
      for (int j = 0; j < original.length; j++) {
        assertEquals("bpv=" + bpv, original[j], reader.get(j));
      }
      input.close();
    }
  }

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    CodecUtil.checksumEntireFile(data);
  }


  @Override
  public synchronized NumericDocValues getNumeric(FieldInfo field) throws IOException {
    NumericDocValues instance = numericInstances.get(field.number);
    if (instance == null) {
      // Lazy load
      instance = loadNumeric(numerics.get(field.number));
      numericInstances.put(field.number, instance);
    }

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    case 1:
      {
        final byte[] values = new byte[entry.count];
        data.readBytes(values, 0, entry.count);
        ramBytesUsed.addAndGet(RamUsageEstimator.sizeOf(values));
        return new NumericDocValues() {
          @Override
          public long get(int idx) {
            return values[idx];
          }
        };
      }


    case 2:
      {
        final short[] values = new short[entry.count];
        for(int i=0;i<entry.count;i++) {
          values[i] = data.readShort();
        }
        ramBytesUsed.addAndGet(RamUsageEstimator.sizeOf(values));
        return new NumericDocValues() {
          @Override
          public long get(int idx) {
            return values[idx];
          }
        };
      }


    case 4:
      {
        final int[] values = new int[entry.count];
        for(int i=0;i<entry.count;i++) {
          values[i] = data.readInt();
        }
        ramBytesUsed.addAndGet(RamUsageEstimator.sizeOf(values));
        return new NumericDocValues() {
          @Override
          public long get(int idx) {
            return values[idx];
          }
        };
      }


    case 8:
      {
        final long[] values = new long[entry.count];
        for(int i=0;i<entry.count;i++) {
          values[i] = data.readLong();
        }
        ramBytesUsed.addAndGet(RamUsageEstimator.sizeOf(values));
        return new NumericDocValues() {
          @Override
          public long get(int idx) {
            return values[idx];
          }
        };

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    };
  }


  private SortedRawValues loadSorted(FieldInfo field) throws IOException {
    final SortedEntry entry = sorteds.get(field.number);
    final NumericDocValues docToOrd = loadNumeric(entry.docToOrd);
    final SortedRawValues values = new SortedRawValues();
    values.docToOrd = docToOrd;
    return values;
  }

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      instance = loadSortedNumeric(entry);
      sortedNumericInstances.put(field.number, instance);
    }
    
    if (entry.docToAddress == null) {
      final NumericDocValues single = instance.values;
      final Bits docsWithField = getMissingBits(field.number, entry.values.missingOffset, entry.values.missingBytes);
      return DocValues.singleton(single, docsWithField);
    } else {
      final NumericDocValues docToAddress = instance.docToAddress;
      final NumericDocValues values = instance.values;
      
      return new SortedNumericDocValues() {
        int valueStart;
        int valueLimit;
        
        @Override
        public void setDocument(int doc) {
          valueStart = (int) docToAddress.get(doc);
          valueLimit = (int) docToAddress.get(doc+1);
        }
        
        @Override
        public long valueAt(int index) {
          return values.get(valueStart + index);
        }
        
        @Override
        public int count() {
          return valueLimit - valueStart;

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    if (instance.docToOrdAddress == null) {
      SortedDocValues sorted = newSortedInstance(instance.ords, getBinary(field), entry.values.count);
      return DocValues.singleton(sorted);
    } else {
      final NumericDocValues docToOrdAddress = instance.docToOrdAddress;
      final NumericDocValues ords = instance.ords;
      final BinaryDocValues values = getBinary(field);
      
      // Must make a new instance since the iterator has state:
      return new RandomAccessOrds() {
        int ordStart;
        int ordUpto;
        int ordLimit;
        
        @Override
        public long nextOrd() {
          if (ordUpto == ordLimit) {
            return NO_MORE_ORDS;
          } else {
            return ords.get(ordUpto++);
          }
        }
        
        @Override
        public void setDocument(int docID) {
          ordStart = ordUpto = (int) docToOrdAddress.get(docID);
          ordLimit = (int) docToOrdAddress.get(docID+1);
        }
        
        @Override
        public BytesRef lookupOrd(long ord) {
          return values.get((int) ord);
        }
        
        @Override
        public long getValueCount() {
          return entry.values.count;
        }
        
        @Override
        public long ordAt(int index) {
          return ords.get(ordStart + index);
        }
        
        @Override
        public int cardinality() {
          return ordLimit - ordStart;

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    }
  }


  @Override
  public synchronized NumericDocValues getNumeric(FieldInfo field) throws IOException {
    NumericDocValues instance = numericInstances.get(field.number);
    if (instance == null) {
      instance = loadNumeric(field);
      numericInstances.put(field.number, instance);
    }
    return instance;

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