public final class EnglishAnalyzer extends StopwordAnalyzerBase
Analyzer
for English.Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
stopwords
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
Constructor and Description |
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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 |
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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.
|
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, getVersion, initReader, setVersion, tokenStream, tokenStream
public 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 Analyzer
fieldName
- 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
.Copyright © 2000–2015 The Apache Software Foundation. All rights reserved.