org.apache.lucene.index

Class NumericDocValues

java.lang.Object

org.apache.lucene.index.NumericDocValues

Direct Known Subclasses:

LongValues, PackedInts.Reader

public abstract class NumericDocValues
extends Object

A per-document numeric value.

Field Summary

Fields

Modifier and Type	Field and Description
static NumericDocValues	EMPTY An empty NumericDocValues which returns zero for every document

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NumericDocValues() Sole constructor.

Method Summary

Methods

Modifier and Type	Method and Description
abstract long	get(int docID) Returns the numeric value for the specified document ID.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY

public static final NumericDocValues EMPTY

An empty NumericDocValues which returns zero for every document

Constructor Detail

NumericDocValues

protected NumericDocValues()

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

Method Detail

get

public abstract long get(int docID)

Returns the numeric value for the specified document ID.

Parameters:

docID - document ID to lookup

Returns:

numeric value