Module org.apache.lucene.core

Package org.apache.lucene.codecs.perfield

Class PerFieldMergeState

java.lang.Object

org.apache.lucene.codecs.perfield.PerFieldMergeState

final class PerFieldMergeState
extends Object

Utility class creating a new MergeState to be restricted to a set of fields.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	PerFieldMergeState.FilterFieldInfos
private static class	PerFieldMergeState.FilterFieldsProducer

Constructor Summary

Constructors

Constructor	Description
PerFieldMergeState()

Method Summary

Modifier and Type	Method	Description
(package private) static MergeState	restrictFields(MergeState in, Collection<String> fields)	Create a new MergeState from the given MergeState instance with restricted fields.

Methods inherited from class java.lang.Object

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

Constructor Details

PerFieldMergeState

PerFieldMergeState()

Method Details

restrictFields

static MergeState restrictFields(MergeState in,
 Collection<String> fields)

Create a new MergeState from the given MergeState instance with restricted fields.

Parameters:

fields - The fields to keep in the new instance.

Returns:

The new MergeState with restricted fields