org.apache.lucene.index

Class SortedNumericDocValues

java.lang.Object

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.index.DocValuesIterator

org.apache.lucene.index.SortedNumericDocValues

Direct Known Subclasses:

FilterSortedNumericDocValues, LegacySortedNumericDocValuesWrapper, SingletonSortedNumericDocValues, SortedNumericDocValuesWriter.BufferedSortedNumericDocValues, SortingLeafReader.SortingSortedNumericDocValues

public abstract class SortedNumericDocValues
extends DocValuesIterator

A list of per-document numeric values, sorted according to Long.compare(long, long).

Field Summary

Fields inherited from class org.apache.lucene.search.DocIdSetIterator

NO_MORE_DOCS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SortedNumericDocValues() Sole constructor.

Method Summary

Modifier and Type	Method and Description
abstract int	docValueCount() Retrieves the number of values for the current document.
abstract long	nextValue() Iterates to the next value in the current document.

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

SortedNumericDocValues

protected SortedNumericDocValues()

Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Detail

nextValue

public abstract long nextValue()
                        throws java.io.IOException

Iterates to the next value in the current document. Do not call this more than docValueCount() times for the document.

Throws:

java.io.IOException

docValueCount

public abstract int docValueCount()

Retrieves the number of values for the current document. This must always be greater than zero. It is illegal to call this method after DocValuesIterator.advanceExact(int) returned false.