public final class StopAnalyzer extends StopwordAnalyzerBase
LetterTokenizer
with LowerCaseFilter
and StopFilter
.
You must specify the required Version
compatibility when creating StopAnalyzer:
Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
Modifier and Type | Field and Description |
---|---|
static CharArraySet |
ENGLISH_STOP_WORDS_SET
An unmodifiable set containing some common English words that are not usually useful
for searching.
|
matchVersion, stopwords
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
Constructor and Description |
---|
StopAnalyzer(Version matchVersion)
Builds an analyzer which removes words in
ENGLISH_STOP_WORDS_SET . |
StopAnalyzer(Version matchVersion,
CharArraySet stopWords)
Builds an analyzer with the stop words from the given set.
|
StopAnalyzer(Version matchVersion,
File stopwordsFile)
Builds an analyzer with the stop words from the given file.
|
StopAnalyzer(Version matchVersion,
Reader stopwords)
Builds an analyzer with the stop words from the given reader.
|
Modifier and Type | Method and Description |
---|---|
protected Analyzer.TokenStreamComponents |
createComponents(String fieldName,
Reader reader)
Creates
Analyzer.TokenStreamComponents
used to tokenize all the text in the provided Reader . |
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, tokenStream, tokenStream
public static final CharArraySet ENGLISH_STOP_WORDS_SET
public StopAnalyzer(Version matchVersion)
ENGLISH_STOP_WORDS_SET
.matchVersion
- See abovepublic StopAnalyzer(Version matchVersion, CharArraySet stopWords)
matchVersion
- See abovestopWords
- Set of stop wordspublic StopAnalyzer(Version matchVersion, File stopwordsFile) throws IOException
matchVersion
- See abovestopwordsFile
- File to load stop words fromIOException
WordlistLoader.getWordSet(Reader, Version)
public StopAnalyzer(Version matchVersion, Reader stopwords) throws IOException
matchVersion
- See abovestopwords
- Reader to load stop words fromIOException
WordlistLoader.getWordSet(Reader, Version)
protected Analyzer.TokenStreamComponents createComponents(String fieldName, Reader reader)
Analyzer.TokenStreamComponents
used to tokenize 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 readerreader
- the reader passed to the Tokenizer
constructorAnalyzer.TokenStreamComponents
built from a LowerCaseTokenizer
filtered with
StopFilter
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