org.elasticsearch.common.lucene.index

Class FreqTermsEnum

java.lang.Object

org.apache.lucene.index.TermsEnum

org.elasticsearch.common.lucene.index.FilterableTermsEnum

org.elasticsearch.common.lucene.index.FreqTermsEnum

All Implemented Interfaces:

AutoCloseable, org.apache.lucene.util.BytesRefIterator, Releasable

public class FreqTermsEnum
extends FilterableTermsEnum
implements Releasable

A frequency terms enum that maintains a cache of docFreq, totalTermFreq, or both for repeated term lookup.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.index.TermsEnum

org.apache.lucene.index.TermsEnum.SeekStatus

Field Summary

Fields inherited from class org.elasticsearch.common.lucene.index.FilterableTermsEnum

current, currentDocFreq, currentTotalTermFreq, docsEnumFlag, NOT_FOUND, numDocs

Fields inherited from class org.apache.lucene.index.TermsEnum

EMPTY

Constructor Summary

Constructors

Constructor and Description
FreqTermsEnum(org.apache.lucene.index.IndexReader reader, String field, boolean needDocFreq, boolean needTotalTermFreq, org.apache.lucene.search.Query filter, BigArrays bigArrays)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
boolean	seekExact(org.apache.lucene.util.BytesRef text)

Methods inherited from class org.elasticsearch.common.lucene.index.FilterableTermsEnum

docFreq, getNumDocs, next, ord, postings, seekCeil, seekExact, term, totalTermFreq

Methods inherited from class org.apache.lucene.index.TermsEnum

attributes, docs, docs, docsAndPositions, docsAndPositions, postings, seekExact, termState

Methods inherited from class java.lang.Object

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

Constructor Detail

FreqTermsEnum

public FreqTermsEnum(org.apache.lucene.index.IndexReader reader,
             String field,
             boolean needDocFreq,
             boolean needTotalTermFreq,
             @Nullable
             org.apache.lucene.search.Query filter,
             BigArrays bigArrays)
              throws IOException

Throws:

IOException

Method Detail

seekExact

public boolean seekExact(org.apache.lucene.util.BytesRef text)
                  throws IOException

Overrides:

seekExact in class FilterableTermsEnum

Throws:

IOException

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Releasable