public final class EnglishAnalyzer extends StopwordAnalyzerBase
Analyzer for English.Analyzer.ReuseStrategy, Analyzer.TokenStreamComponentsstopwordsGLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY| Constructor and Description |
|---|
EnglishAnalyzer()
Builds an analyzer with the default stop words:
getDefaultStopSet(). |
EnglishAnalyzer(CharArraySet stopwords)
Builds an analyzer with the given stop words.
|
EnglishAnalyzer(CharArraySet stopwords,
CharArraySet stemExclusionSet)
Builds an analyzer with the given stop words.
|
| Modifier and Type | Method and Description |
|---|---|
protected Analyzer.TokenStreamComponents |
createComponents(String fieldName)
Creates a
Analyzer.TokenStreamComponents
which tokenizes all the text in the provided Reader. |
static CharArraySet |
getDefaultStopSet()
Returns an unmodifiable instance of the default stop words set.
|
protected TokenStream |
normalize(String fieldName,
TokenStream in)
Wrap the given
TokenStream in order to apply normalization filters. |
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSetattributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, getVersion, initReader, initReaderForNormalization, normalize, setVersion, tokenStream, tokenStreampublic EnglishAnalyzer()
getDefaultStopSet().public EnglishAnalyzer(CharArraySet stopwords)
stopwords - a stopword setpublic EnglishAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet)
SetKeywordMarkerFilter before
stemming.stopwords - a stopword setstemExclusionSet - a set of terms not to be stemmedpublic static CharArraySet getDefaultStopSet()
protected Analyzer.TokenStreamComponents createComponents(String fieldName)
Analyzer.TokenStreamComponents
which tokenizes all the text in the provided Reader.createComponents in class AnalyzerfieldName - the name of the fields content passed to the
Analyzer.TokenStreamComponents sink as a readerAnalyzer.TokenStreamComponents
built from an StandardTokenizer filtered with
StandardFilter, EnglishPossessiveFilter,
LowerCaseFilter, StopFilter
, SetKeywordMarkerFilter if a stem exclusion set is
provided and PorterStemFilter.protected TokenStream normalize(String fieldName, TokenStream in)
AnalyzerTokenStream in order to apply normalization filters.
The default implementation returns the TokenStream as-is. This is
used by Analyzer.normalize(String, String).