org.apache.lucene.index
Class NumericDocValues

java.lang.Object
  extended by org.apache.lucene.index.NumericDocValues

public abstract class NumericDocValues
extends Object

A per-document numeric value.


Field Summary
static NumericDocValues EMPTY
          An empty NumericDocValues which returns zero for every document
 
Constructor Summary
protected NumericDocValues()
          Sole constructor.
 
Method Summary
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


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