org.apache.lucene.codecs.bloom

Class BloomFilteringPostingsFormat.BloomFilteredFieldsProducer

java.lang.Object

org.apache.lucene.index.Fields

org.apache.lucene.codecs.FieldsProducer

org.apache.lucene.codecs.bloom.BloomFilteringPostingsFormat.BloomFilteredFieldsProducer

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<String>

Enclosing class:

BloomFilteringPostingsFormat

public class BloomFilteringPostingsFormat.BloomFilteredFieldsProducer
extends FieldsProducer

Field Summary

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

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
BloomFilteringPostingsFormat.BloomFilteredFieldsProducer(SegmentReadState state)

Method Summary

Methods

Modifier and Type	Method and Description
void	checkIntegrity() Checks consistency of this reader.
void	close()
long	getUniqueTermCount() Returns the number of terms for all fields, or -1 if this measure isn't stored by the codec.
Iterator<String>	iterator() Returns an iterator that will step through all fields names.
long	ramBytesUsed() Returns approximate RAM bytes used
int	size() Returns the number of fields or -1 if the number of distinct field names is unknown.
Terms	terms(String field) Get the Terms for this field.

Methods inherited from class java.lang.Object

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

Constructor Detail

BloomFilteringPostingsFormat.BloomFilteredFieldsProducer

public BloomFilteringPostingsFormat.BloomFilteredFieldsProducer(SegmentReadState state)
                                                         throws IOException

Throws:

IOException

Method Detail

iterator

public Iterator<String> iterator()

Description copied from class: Fields

Returns an iterator that will step through all fields names. This will not return null.

Specified by:

iterator in interface Iterable<String>

Specified by:

iterator in class Fields

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class FieldsProducer

Throws:

IOException

terms

public Terms terms(String field)
            throws IOException

Description copied from class: Fields

Get the Terms for this field. This will return null if the field does not exist.

Specified by:

terms in class Fields

Throws:

IOException

size

public int size()

Description copied from class: Fields

Returns the number of fields or -1 if the number of distinct field names is unknown. If >= 0, Fields.iterator() will return as many field names.

Specified by:

size in class Fields

getUniqueTermCount

public long getUniqueTermCount()
                        throws IOException

Description copied from class: Fields

Returns the number of terms for all fields, or -1 if this measure isn't stored by the codec. Note that, just like other term measures, this measure does not take deleted documents into account.

Overrides:

getUniqueTermCount in class Fields

Throws:

IOException

See Also:

Terms.size()

ramBytesUsed

public long ramBytesUsed()

Description copied from class: FieldsProducer

Returns approximate RAM bytes used

Specified by:

ramBytesUsed in class FieldsProducer

checkIntegrity

public void checkIntegrity()
                    throws IOException

Description copied from class: FieldsProducer

Checks consistency of this reader.

Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.

Specified by:

checkIntegrity in class FieldsProducer

Throws:

IOException