Module org.apache.lucene.analysis.common

Package org.apache.lucene.analysis.util

Class ElisionFilterFactory

java.lang.Object

org.apache.lucene.analysis.AbstractAnalysisFactory

org.apache.lucene.analysis.TokenFilterFactory

org.apache.lucene.analysis.util.ElisionFilterFactory

All Implemented Interfaces:

ResourceLoaderAware

public class ElisionFilterFactory
extends TokenFilterFactory
implements ResourceLoaderAware

Factory for ElisionFilter.

 <fieldType name="text_elsn" class="solr.TextField" positionIncrementGap="100">
   <analyzer>
     <tokenizer class="solr.StandardTokenizerFactory"/>
     <filter class="solr.LowerCaseFilterFactory"/>
     <filter class="solr.ElisionFilterFactory"
       articles="stopwordarticles.txt" ignoreCase="true"/>
   </analyzer>
 </fieldType>

Since:

3.1

Field Summary

Fields

Modifier and Type	Field	Description
private CharArraySet	articles
private final String	articlesFile
private final boolean	ignoreCase
static final String	NAME	SPI name

Fields inherited from class org.apache.lucene.analysis.AbstractAnalysisFactory

LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors

Constructor	Description
ElisionFilterFactory()	Default ctor for compatibility with SPI
ElisionFilterFactory(Map<String,String> args)	Creates a new ElisionFilterFactory

Method Summary

Modifier and Type	Method	Description
TokenStream	create(TokenStream input)	Transform the specified input TokenStream
void	inform(ResourceLoader loader)	Initializes this component with the provided ResourceLoader (used for loading classes, files, etc).
TokenStream	normalize(TokenStream input)	Normalize the specified input TokenStream While the default implementation returns input unchanged, filters that should be applied at normalization time can delegate to create method.

Methods inherited from class org.apache.lucene.analysis.TokenFilterFactory

availableTokenFilters, findSPIName, forName, lookupClass, reloadTokenFilters

Methods inherited from class org.apache.lucene.analysis.AbstractAnalysisFactory

defaultCtorException, get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitAt, splitFileNames

Methods inherited from class java.lang.Object

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

Field Details

NAME

public static final String NAME

SPI name

See Also:

• Constant Field Values

articlesFile

private final String articlesFile

ignoreCase

private final boolean ignoreCase

articles

private CharArraySet articles

Constructor Details

ElisionFilterFactory

public ElisionFilterFactory(Map<String,String> args)

Creates a new ElisionFilterFactory

ElisionFilterFactory

public ElisionFilterFactory()

Default ctor for compatibility with SPI

Method Details

inform

public void inform(ResourceLoader loader)
            throws IOException

Description copied from interface: ResourceLoaderAware

Initializes this component with the provided ResourceLoader (used for loading classes, files, etc).

Specified by:

inform in interface ResourceLoaderAware

Throws:

IOException

create

public TokenStream create(TokenStream input)

Description copied from class: TokenFilterFactory

Transform the specified input TokenStream

Specified by:

create in class TokenFilterFactory

normalize

public TokenStream normalize(TokenStream input)

Description copied from class: TokenFilterFactory

Normalize the specified input TokenStream While the default implementation returns input unchanged, filters that should be applied at normalization time can delegate to create method.

Overrides:

normalize in class TokenFilterFactory