org.apache.lucene.util

Class RoaringDocIdSet.ShortArrayDocIdSet

java.lang.Object

org.apache.lucene.search.DocIdSet

org.apache.lucene.util.RoaringDocIdSet.ShortArrayDocIdSet

All Implemented Interfaces:

Accountable

Enclosing class:

RoaringDocIdSet

private static class RoaringDocIdSet.ShortArrayDocIdSet
extends DocIdSet

DocIdSet implementation that can store documents up to 2^16-1 in a short[].

Field Summary

Fields

Modifier and Type	Field and Description
private static long	BASE_RAM_BYTES_USED
private short[]	docIDs

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

EMPTY

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ShortArrayDocIdSet(short[] docIDs)

Method Summary

Modifier and Type	Method and Description
DocIdSetIterator	iterator() Provides a DocIdSetIterator to access the set.
long	ramBytesUsed() Return the memory usage of this object in bytes.

Methods inherited from class org.apache.lucene.search.DocIdSet

bits

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources

Field Detail

BASE_RAM_BYTES_USED

private static final long BASE_RAM_BYTES_USED

docIDs

private final short[] docIDs

Constructor Detail

ShortArrayDocIdSet

private ShortArrayDocIdSet(short[] docIDs)

Method Detail

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Return the memory usage of this object in bytes. Negative values are illegal.

iterator

public DocIdSetIterator iterator()
                          throws java.io.IOException

Description copied from class: DocIdSet

Provides a DocIdSetIterator to access the set. This implementation can return null if there are no docs that match.

Specified by:

iterator in class DocIdSet

Throws:

java.io.IOException