Package org.apache.lucene.analysis.ga

Class IrishAnalyzer

  • All Implemented Interfaces:
    Closeable, AutoCloseable
    public final class IrishAnalyzer
extends org.apache.lucene.analysis.StopwordAnalyzerBase
    Analyzer for Irish.

    • Nested Class Summary

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

        org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static String DEFAULT_STOPWORD_FILE
      File containing default Irish stopwords.

      • Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase

        matchVersion, stopwords

    • Constructor Summary

      Constructors 
      Constructor Description
      IrishAnalyzer​(org.apache.lucene.util.Version matchVersion)
      Builds an analyzer with the default stop words: DEFAULT_STOPWORD_FILE.
      IrishAnalyzer​(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.CharArraySet stopwords)
      Builds an analyzer with the given stop words.
      IrishAnalyzer​(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.CharArraySet stopwords, org.apache.lucene.analysis.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 org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents​(String fieldName, Reader reader)
      Creates a ReusableAnalyzerBase.TokenStreamComponents which tokenizes all the text in the provided Reader.
      static org.apache.lucene.analysis.CharArraySet getDefaultStopSet()
      Returns an unmodifiable instance of the default stop words set.

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

        getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet

      • Methods inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase

        initReader, reusableTokenStream, tokenStream

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

        close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream

    • Field Detail

      • DEFAULT_STOPWORD_FILE

        public static final String DEFAULT_STOPWORD_FILE
        File containing default Irish stopwords.
        See Also:
        Constant Field Values

    • Constructor Detail

      • IrishAnalyzer

        public IrishAnalyzer​(org.apache.lucene.util.Version matchVersion)
        Builds an analyzer with the default stop words: DEFAULT_STOPWORD_FILE.

      • IrishAnalyzer

        public IrishAnalyzer​(org.apache.lucene.util.Version matchVersion,
                     org.apache.lucene.analysis.CharArraySet stopwords)
        Builds an analyzer with the given stop words.
        Parameters:
        matchVersion - lucene compatibility version
        stopwords - a stopword set

      • IrishAnalyzer

        public IrishAnalyzer​(org.apache.lucene.util.Version matchVersion,
                     org.apache.lucene.analysis.CharArraySet stopwords,
                     org.apache.lucene.analysis.CharArraySet stemExclusionSet)
        Builds an analyzer with the given stop words. If a non-empty stem exclusion set is provided this analyzer will add a KeywordMarkerFilter 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 org.apache.lucene.analysis.CharArraySet getDefaultStopSet()
        Returns an unmodifiable instance of the default stop words set.
        Returns:
        default stop words set.

      • createComponents

        protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents​(String fieldName,
                                                                                                 Reader reader)
        Creates a ReusableAnalyzerBase.TokenStreamComponents which tokenizes all the text in the provided Reader.
        Specified by:
        createComponents in class org.apache.lucene.analysis.ReusableAnalyzerBase
        Returns:
        A ReusableAnalyzerBase.TokenStreamComponents built from an StandardTokenizer filtered with StandardFilter, IrishLowerCaseFilter, StopFilter , KeywordMarkerFilter if a stem exclusion set is provided and SnowballFilter.