org.apache.lucene.analysis.shingle
Class ShingleAnalyzerWrapper
java.lang.Object
org.apache.lucene.analysis.Analyzer
org.apache.lucene.analysis.shingle.ShingleAnalyzerWrapper
public class ShingleAnalyzerWrapper
- extends Analyzer
A ShingleAnalyzerWrapper wraps a ShingleFilter around another analyzer. A
shingle is another namefor a token based n-gram.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
defaultAnalyzer
protected Analyzer defaultAnalyzer
maxShingleSize
protected int maxShingleSize
outputUnigrams
protected boolean outputUnigrams
ShingleAnalyzerWrapper
public ShingleAnalyzerWrapper(Analyzer defaultAnalyzer)
ShingleAnalyzerWrapper
public ShingleAnalyzerWrapper(Analyzer defaultAnalyzer,
int maxShingleSize)
ShingleAnalyzerWrapper
public ShingleAnalyzerWrapper()
- Wraps
StandardAnalyzer
.
ShingleAnalyzerWrapper
public ShingleAnalyzerWrapper(int nGramSize)
getMaxShingleSize
public int getMaxShingleSize()
- The max shingle (ngram) size
- Returns:
- The max shingle (ngram) size
setMaxShingleSize
public void setMaxShingleSize(int maxShingleSize)
- Set the maximum size of output shingles
- Parameters:
maxShingleSize
- max shingle size
isOutputUnigrams
public boolean isOutputUnigrams()
setOutputUnigrams
public void setOutputUnigrams(boolean outputUnigrams)
- Shall the filter pass the original tokens (the "unigrams") to the output
stream?
- Parameters:
outputUnigrams
- Whether or not the filter shall pass the original
tokens to the output stream
tokenStream
public TokenStream tokenStream(String fieldName,
Reader reader)
- Specified by:
tokenStream
in class Analyzer
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