Package org.apache.lucene.analysis.br

Class BrazilianAnalyzer

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.apache.lucene.analysis.util.StopwordAnalyzerBase

org.apache.lucene.analysis.br.BrazilianAnalyzer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public final class BrazilianAnalyzer
extends StopwordAnalyzerBase

Analyzer for Brazilian Portuguese language.

Supports an external list of stopwords (words that will not be indexed at all) and an external list of exclusions (words that will not be stemmed, but indexed).

NOTE: This class uses the same Version dependent settings as StandardAnalyzer.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer

Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	DEFAULT_STOPWORD_FILE	File containing default Brazilian Portuguese stopwords.

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

GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY

Constructor Summary

Constructors

Constructor	Description
BrazilianAnalyzer(Version matchVersion)	Builds an analyzer with the default stop words (getDefaultStopSet()).
BrazilianAnalyzer(Version matchVersion, CharArraySet stopwords)	Builds an analyzer with the given stop words
BrazilianAnalyzer(Version matchVersion, CharArraySet stopwords, CharArraySet stemExclusionSet)	Builds an analyzer with the given stop words and stemming exclusion words

Method Summary

Modifier and Type	Method	Description
static CharArraySet	getDefaultStopSet()	Returns an unmodifiable instance of the default stop-words set.

Methods inherited from class org.apache.lucene.analysis.util.StopwordAnalyzerBase

getStopwordSet

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

close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, tokenStream, tokenStream

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_STOPWORD_FILE

public static final java.lang.String DEFAULT_STOPWORD_FILE

File containing default Brazilian Portuguese stopwords.

See Also:

Constant Field Values

Constructor Detail

BrazilianAnalyzer

public BrazilianAnalyzer(Version matchVersion)

Builds an analyzer with the default stop words (getDefaultStopSet()).

BrazilianAnalyzer

public BrazilianAnalyzer(Version matchVersion,
                         CharArraySet stopwords)

Builds an analyzer with the given stop words

Parameters:

matchVersion - lucene compatibility version

stopwords - a stopword set

BrazilianAnalyzer

public BrazilianAnalyzer(Version matchVersion,
                         CharArraySet stopwords,
                         CharArraySet stemExclusionSet)

Builds an analyzer with the given stop words and stemming exclusion words

Parameters:

matchVersion - lucene compatibility version

stopwords - a stopword set

Method Detail

getDefaultStopSet

public static CharArraySet getDefaultStopSet()

Returns an unmodifiable instance of the default stop-words set.

Returns:

an unmodifiable instance of the default stop-words set.