Closeable
, AutoCloseable
public final class StopAnalyzer extends StopwordAnalyzerBase
LetterTokenizer
with LowerCaseFilter
and StopFilter
.
You must specify the required Version
compatibility when creating StopAnalyzer:
ReusableAnalyzerBase.TokenStreamComponents
Modifier and Type | Field | Description |
---|---|---|
static Set<?> |
ENGLISH_STOP_WORDS_SET |
An unmodifiable set containing some common English words that are not usually useful
for searching.
|
matchVersion, stopwords
Constructor | Description |
---|---|
StopAnalyzer(Version matchVersion) |
Builds an analyzer which removes words in
ENGLISH_STOP_WORDS_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.
|
StopAnalyzer(Version matchVersion,
Set<?> stopWords) |
Builds an analyzer with the stop words from the given set.
|
Modifier and Type | Method | Description |
---|---|---|
protected ReusableAnalyzerBase.TokenStreamComponents |
createComponents(String fieldName,
Reader reader) |
Creates
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader . |
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
initReader, reusableTokenStream, tokenStream
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
public static final Set<?> ENGLISH_STOP_WORDS_SET
public StopAnalyzer(Version matchVersion)
ENGLISH_STOP_WORDS_SET
.matchVersion
- See abovepublic StopAnalyzer(Version matchVersion, Set<?> 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 ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader
.createComponents
in class ReusableAnalyzerBase
fieldName
- the name of the fields content passed to the
ReusableAnalyzerBase.TokenStreamComponents
sink as a readerreader
- the reader passed to the Tokenizer
constructorReusableAnalyzerBase.TokenStreamComponents
built from a LowerCaseTokenizer
filtered with
StopFilter
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