NumericDocValues

java.lang.Object
- org.apache.lucene.search.DocIdSetIterator
- - org.apache.lucene.index.DocValuesIterator
  - - org.apache.lucene.index.NumericDocValues

Direct Known Subclasses:

FilterNumericDocValues, LegacyNumericDocValuesWrapper, Lucene70DocValuesProducer.DenseNumericDocValues, Lucene70DocValuesProducer.SparseNumericDocValues, Lucene70NormsProducer.DenseNormsIterator, Lucene70NormsProducer.SparseNormsIterator, Lucene80DocValuesProducer.DenseNumericDocValues, Lucene80DocValuesProducer.SparseNumericDocValues, Lucene80NormsProducer.DenseNormsIterator, Lucene80NormsProducer.SparseNormsIterator, MultiNormsLeafSimScorer.MultiFieldNormValues, NormValuesWriter.BufferedNorms, NumericDocValuesWriter.BufferedNumericDocValues, NumericDocValuesWriter.SortingNumericDocValues, SortedNumericSelector.MaxValue, SortedNumericSelector.MinValue, ToParentDocValues.NumDV
```
public abstract class NumericDocValues
extends DocValuesIterator
```
A per-document numeric value.

- Field Summary
  - Fields inherited from class org.apache.lucene.search.DocIdSetIterator
    NO_MORE_DOCS
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  protected NumericDocValues()
  Sole constructor.
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  abstract long longValue()
  Returns the numeric value for the current document ID.
  - Methods inherited from class org.apache.lucene.index.DocValuesIterator
    advanceExact
  - Methods inherited from class org.apache.lucene.search.DocIdSetIterator
    advance, all, cost, docID, empty, nextDoc, range, slowAdvance
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - NumericDocValues
```
protected NumericDocValues()
```
    Sole constructor. (For invocation by subclass constructors, typically implicit.)
- Method Detail
  - longValue
```
public abstract long longValue()
                        throws java.io.IOException
```
    Returns the numeric value for the current document ID. It is illegal to call this method after DocValuesIterator.advanceExact(int) returned false.
    
    Returns:
    
    numeric value
    
    Throws:
    
    java.io.IOException