Package org.apache.lucene.analysis.lv

Class LatvianAnalyzer

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.apache.lucene.analysis.util.StopwordAnalyzerBase

org.apache.lucene.analysis.lv.LatvianAnalyzer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public final class LatvianAnalyzer
extends StopwordAnalyzerBase

Analyzer for Latvian.

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 Latvian stopwords.

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

GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY

Constructor Summary

Constructors

Constructor	Description
LatvianAnalyzer(Version matchVersion)	Builds an analyzer with the default stop words: DEFAULT_STOPWORD_FILE.
LatvianAnalyzer(Version matchVersion, CharArraySet stopwords)	Builds an analyzer with the given stop words.
LatvianAnalyzer(Version matchVersion, CharArraySet stopwords, CharArraySet stemExclusionSet)	Builds an analyzer with the given stop 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 Latvian stopwords.

See Also:

Constant Field Values

Constructor Detail

LatvianAnalyzer

public LatvianAnalyzer(Version matchVersion)

Builds an analyzer with the default stop words: DEFAULT_STOPWORD_FILE.

LatvianAnalyzer

public LatvianAnalyzer(Version matchVersion,
                       CharArraySet stopwords)

Builds an analyzer with the given stop words.

Parameters:

matchVersion - lucene compatibility version

stopwords - a stopword set

LatvianAnalyzer

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

Builds an analyzer with the given stop words. If a non-empty stem exclusion set is provided this analyzer will add a SetKeywordMarkerFilter before stemming.

Parameters:

matchVersion - lucene compatibility version

stopwords - a stopword set

stemExclusionSet - a set of terms not to be stemmed

Method Detail

getDefaultStopSet

public static CharArraySet getDefaultStopSet()

Returns an unmodifiable instance of the default stop words set.

Returns:

default stop words set.