org.apache.lucene.index

Class MappedMultiFields

java.lang.Object

org.apache.lucene.index.Fields

org.apache.lucene.index.FilterLeafReader.FilterFields

org.apache.lucene.index.MappedMultiFields

All Implemented Interfaces:

java.lang.Iterable<java.lang.String>

public class MappedMultiFields
extends FilterLeafReader.FilterFields

A Fields implementation that merges multiple Fields into one, and maps around deleted documents. This is used for merging.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	MappedMultiFields.MappedMultiTerms
private static class	MappedMultiFields.MappedMultiTermsEnum

Field Summary

Fields

Modifier and Type	Field and Description
(package private) MergeState	mergeState

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

in

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

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
MappedMultiFields(MergeState mergeState, MultiFields multiFields) Create a new MappedMultiFields for merging, based on the supplied mergestate and merged view of terms.

Method Summary

Modifier and Type	Method and Description
Terms	terms(java.lang.String field) Get the Terms for this field.

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

iterator, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

mergeState

final MergeState mergeState

Constructor Detail

MappedMultiFields

public MappedMultiFields(MergeState mergeState,
                         MultiFields multiFields)

Create a new MappedMultiFields for merging, based on the supplied mergestate and merged view of terms.

Method Detail

terms

public Terms terms(java.lang.String field)
            throws java.io.IOException

Description copied from class: Fields

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

Overrides:

terms in class FilterLeafReader.FilterFields

Throws:

java.io.IOException