org.apache.lucene.search.suggest
Class BufferingTermFreqIteratorWrapper

java.lang.Object
  org.apache.lucene.search.suggest.BufferingTermFreqIteratorWrapper

All Implemented Interfaces:

TermFreqIterator, BytesRefIterator

public class BufferingTermFreqIteratorWrapper
extends Object
implements TermFreqIterator

This wrapper buffers incoming elements.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.lucene.search.spell.TermFreqIterator

TermFreqIterator.TermFreqIteratorWrapper

Field Summary

protected int	curPos current buffer position
protected BytesRefArray	entries buffered term entries
protected long[]	freqs buffered weights, parallel with entries

Fields inherited from interface org.apache.lucene.util.BytesRefIterator

EMPTY

Constructor Summary

BufferingTermFreqIteratorWrapper(TermFreqIterator source)
Creates a new iterator, buffering entries from the specified iterator

Method Summary

Comparator<BytesRef>	getComparator()
BytesRef	next()
long	weight() A term's weight, higher numbers mean better suggestions.

Methods inherited from class java.lang.Object

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

Field Detail

entries

protected BytesRefArray entries

buffered term entries

curPos

protected int curPos

current buffer position

freqs

protected long[] freqs

buffered weights, parallel with entries

Constructor Detail

BufferingTermFreqIteratorWrapper

public BufferingTermFreqIteratorWrapper(TermFreqIterator source)
                                 throws IOException

Creates a new iterator, buffering entries from the specified iterator

Throws:

IOException

Method Detail

weight

public long weight()

Description copied from interface: TermFreqIterator

A term's weight, higher numbers mean better suggestions.

Specified by:

weight in interface TermFreqIterator

next

public BytesRef next()
              throws IOException

Specified by:

next in interface BytesRefIterator

Throws:

IOException

getComparator

public Comparator<BytesRef> getComparator()

Specified by:

getComparator in interface BytesRefIterator