org.apache.lucene.index

Class FieldFilterLeafReader

java.lang.Object

org.apache.lucene.index.IndexReader

org.apache.lucene.index.LeafReader

org.apache.lucene.index.FilterLeafReader

org.apache.lucene.index.FieldFilterLeafReader

All Implemented Interfaces:

Closeable, AutoCloseable

public final class FieldFilterLeafReader
extends FilterLeafReader

A FilterLeafReader that exposes only a subset of fields from the underlying wrapped reader.

Nested Class Summary

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

FilterLeafReader.FilterFields, FilterLeafReader.FilterPostingsEnum, FilterLeafReader.FilterTerms, FilterLeafReader.FilterTermsEnum

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

IndexReader.CacheHelper, IndexReader.CacheKey, IndexReader.ClosedListener

Field Summary

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

in

Constructor Summary

Constructors

Constructor and Description
FieldFilterLeafReader(LeafReader in, Set<String> fields, boolean negate)

Method Summary

Modifier and Type	Method and Description
void	document(int docID, StoredFieldVisitor visitor)
BinaryDocValues	getBinaryDocValues(String field)
IndexReader.CacheHelper	getCoreCacheHelper()
FieldInfos	getFieldInfos()
NumericDocValues	getNormValues(String field)
IndexReader.CacheHelper	getReaderCacheHelper()
SortedDocValues	getSortedDocValues(String field)
SortedNumericDocValues	getSortedNumericDocValues(String field)
SortedSetDocValues	getSortedSetDocValues(String field)
Fields	getTermVectors(int docID)
Terms	terms(String field)
String	toString()

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

checkIntegrity, doClose, getDelegate, getLiveDocs, getMetaData, getNumericDocValues, getPointValues, maxDoc, numDocs, unwrap

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

docFreq, getContext, getDocCount, getSumDocFreq, getSumTotalTermFreq, postings, postings, totalTermFreq

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

close, decRef, document, document, ensureOpen, equals, getRefCount, getTermVector, hasDeletions, hashCode, incRef, leaves, numDeletedDocs, registerParentReader, tryIncRef

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FieldFilterLeafReader

public FieldFilterLeafReader(LeafReader in,
                             Set<String> fields,
                             boolean negate)

Method Detail

getFieldInfos

public FieldInfos getFieldInfos()

Overrides:

getFieldInfos in class FilterLeafReader

getTermVectors

public Fields getTermVectors(int docID)
                      throws IOException

Overrides:

getTermVectors in class FilterLeafReader

Throws:

IOException

document

public void document(int docID,
                     StoredFieldVisitor visitor)
              throws IOException

Overrides:

document in class FilterLeafReader

Throws:

IOException

terms

public Terms terms(String field)
            throws IOException

Overrides:

terms in class FilterLeafReader

Throws:

IOException

getBinaryDocValues

public BinaryDocValues getBinaryDocValues(String field)
                                   throws IOException

Overrides:

getBinaryDocValues in class FilterLeafReader

Throws:

IOException

getSortedDocValues

public SortedDocValues getSortedDocValues(String field)
                                   throws IOException

Overrides:

getSortedDocValues in class FilterLeafReader

Throws:

IOException

getSortedNumericDocValues

public SortedNumericDocValues getSortedNumericDocValues(String field)
                                                 throws IOException

Overrides:

getSortedNumericDocValues in class FilterLeafReader

Throws:

IOException

getSortedSetDocValues

public SortedSetDocValues getSortedSetDocValues(String field)
                                         throws IOException

Overrides:

getSortedSetDocValues in class FilterLeafReader

Throws:

IOException

getNormValues

public NumericDocValues getNormValues(String field)
                               throws IOException

Overrides:

getNormValues in class FilterLeafReader

Throws:

IOException

toString

public String toString()

Overrides:

toString in class FilterLeafReader

getCoreCacheHelper

public IndexReader.CacheHelper getCoreCacheHelper()

Specified by:

getCoreCacheHelper in class LeafReader

getReaderCacheHelper

public IndexReader.CacheHelper getReaderCacheHelper()

Specified by:

getReaderCacheHelper in class IndexReader