org.apache.lucene.analysis
Class WhitespaceAnalyzer

java.lang.Object
  org.apache.lucene.analysis.Analyzer
      org.apache.lucene.analysis.ReusableAnalyzerBase
          org.apache.lucene.analysis.WhitespaceAnalyzer

All Implemented Interfaces:

Closeable

public final class WhitespaceAnalyzer
extends ReusableAnalyzerBase

An Analyzer that uses WhitespaceTokenizer.

You must specify the required Version compatibility when creating CharTokenizer:

• As of 3.1, WhitespaceTokenizer uses an int based API to normalize and detect token codepoints. See CharTokenizer.isTokenChar(int) and CharTokenizer.normalize(int) for details.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase

ReusableAnalyzerBase.TokenStreamComponents

Constructor Summary

WhitespaceAnalyzer()
Deprecated. use WhitespaceAnalyzer(Version) instead

WhitespaceAnalyzer(Version matchVersion)
Creates a new WhitespaceAnalyzer

Method Summary

protected ReusableAnalyzerBase.TokenStreamComponents

createComponents(String fieldName, Reader reader) Creates a new ReusableAnalyzerBase.TokenStreamComponents instance for this analyzer.

Methods inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase

initReader, reusableTokenStream, tokenStream

Methods inherited from class org.apache.lucene.analysis.Analyzer

close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WhitespaceAnalyzer

public WhitespaceAnalyzer(Version matchVersion)

Creates a new WhitespaceAnalyzer

Parameters:

matchVersion - Lucene version to match See above

WhitespaceAnalyzer

@Deprecated
public WhitespaceAnalyzer()

Deprecated. use WhitespaceAnalyzer(Version) instead

Creates a new WhitespaceAnalyzer

Method Detail

createComponents

protected ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName,
                                                                      Reader reader)

Description copied from class: ReusableAnalyzerBase

Creates a new ReusableAnalyzerBase.TokenStreamComponents instance for this analyzer.

Specified by:

createComponents in class ReusableAnalyzerBase

Parameters:

fieldName - the name of the fields content passed to the ReusableAnalyzerBase.TokenStreamComponents sink as a reader

reader - the reader passed to the Tokenizer constructor

Returns:

the ReusableAnalyzerBase.TokenStreamComponents for this analyzer.