public final class ClassicAnalyzer extends StopwordAnalyzerBase
ClassicTokenizer
with ClassicFilter
, LowerCaseFilter
and StopFilter
, using a list of
English stop words.
You must specify the required Version
compatibility when creating ClassicAnalyzer:
StandardAnalyzer
implements Unicode text segmentation,
as specified by UAX#29.Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
Modifier and Type | Field and Description |
---|---|
static int |
DEFAULT_MAX_TOKEN_LENGTH
Default maximum allowed token length
|
static CharArraySet |
STOP_WORDS_SET
An unmodifiable set containing some common English words that are usually not
useful for searching.
|
matchVersion, stopwords
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
Constructor and Description |
---|
ClassicAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words (
STOP_WORDS_SET ). |
ClassicAnalyzer(Version matchVersion,
CharArraySet stopWords)
Builds an analyzer with the given stop words.
|
ClassicAnalyzer(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 a new
Analyzer.TokenStreamComponents instance for this analyzer. |
int |
getMaxTokenLength() |
void |
setMaxTokenLength(int length)
Set maximum allowed token length.
|
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, tokenStream, tokenStream
public static final int DEFAULT_MAX_TOKEN_LENGTH
public static final CharArraySet STOP_WORDS_SET
public ClassicAnalyzer(Version matchVersion, CharArraySet stopWords)
matchVersion
- Lucene version to match See abovestopWords
- stop wordspublic ClassicAnalyzer(Version matchVersion)
STOP_WORDS_SET
).matchVersion
- Lucene version to match See abovepublic ClassicAnalyzer(Version matchVersion, Reader stopwords) throws IOException
matchVersion
- Lucene version to match See abovestopwords
- Reader to read stop words fromIOException
WordlistLoader.getWordSet(Reader, Version)
public void setMaxTokenLength(int length)
public int getMaxTokenLength()
setMaxTokenLength(int)
protected Analyzer.TokenStreamComponents createComponents(String fieldName, Reader reader)
Analyzer
Analyzer.TokenStreamComponents
instance for this analyzer.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
for this analyzer.Copyright © 2000-2016 The Apache Software Foundation. All Rights Reserved.