Package org.apache.lucene.analysis.ne
Class NepaliAnalyzer
- java.lang.Object
-
- org.apache.lucene.analysis.Analyzer
-
- org.apache.lucene.analysis.StopwordAnalyzerBase
-
- org.apache.lucene.analysis.ne.NepaliAnalyzer
-
- All Implemented Interfaces:
Closeable,AutoCloseable
public final class NepaliAnalyzer extends StopwordAnalyzerBase
Analyzer for Nepali.- Since:
- 9.0
-
-
Nested Class Summary
-
Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer
Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
-
-
Field Summary
Fields Modifier and Type Field Description static StringDEFAULT_STOPWORD_FILEFile containing default Nepali stopwords.-
Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
stopwords
-
Fields inherited from class org.apache.lucene.analysis.Analyzer
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
-
-
Constructor Summary
Constructors Constructor Description NepaliAnalyzer()Builds an analyzer with the default stop words:DEFAULT_STOPWORD_FILE.NepaliAnalyzer(CharArraySet stopwords)Builds an analyzer with the given stop wordsNepaliAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet)Builds an analyzer with the given stop words
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description protected Analyzer.TokenStreamComponentscreateComponents(String fieldName)CreatesAnalyzer.TokenStreamComponentsused to tokenize all the text in the providedReader.static CharArraySetgetDefaultStopSet()Returns an unmodifiable instance of the default stop-words set.protected TokenStreamnormalize(String fieldName, TokenStream in)-
Methods inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
-
Methods inherited from class org.apache.lucene.analysis.Analyzer
attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, initReaderForNormalization, normalize, tokenStream, tokenStream
-
-
-
-
Field Detail
-
DEFAULT_STOPWORD_FILE
public static final String DEFAULT_STOPWORD_FILE
File containing default Nepali stopwords.Default stopword list is from the Apache2 python project NLTK: https://github.com/nltk/nltk_data
- See Also:
- Constant Field Values
-
-
Constructor Detail
-
NepaliAnalyzer
public NepaliAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet)
Builds an analyzer with the given stop words- Parameters:
stopwords- a stopword setstemExclusionSet- a stemming exclusion set
-
NepaliAnalyzer
public NepaliAnalyzer(CharArraySet stopwords)
Builds an analyzer with the given stop words- Parameters:
stopwords- a stopword set
-
NepaliAnalyzer
public NepaliAnalyzer()
Builds an analyzer with the default stop words:DEFAULT_STOPWORD_FILE.
-
-
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.
-
createComponents
protected Analyzer.TokenStreamComponents createComponents(String fieldName)
CreatesAnalyzer.TokenStreamComponentsused to tokenize all the text in the providedReader.- Specified by:
createComponentsin classAnalyzer- Returns:
Analyzer.TokenStreamComponentsbuilt from aStandardTokenizerfiltered withLowerCaseFilter,DecimalDigitFilter,IndicNormalizationFilter,SetKeywordMarkerFilterif a stem exclusion set is provided,SnowballFilter, and Nepali Stop words
-
normalize
protected TokenStream normalize(String fieldName, TokenStream in)
-
-