Package com.apple.foundationdb.record.lucene.ngram

Class NgramAnalyzer

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.apache.lucene.analysis.StopwordAnalyzerBase

com.apple.foundationdb.record.lucene.ngram.NgramAnalyzer

All Implemented Interfaces:

Closeable, AutoCloseable

public class NgramAnalyzer
extends org.apache.lucene.analysis.StopwordAnalyzerBase

An NGRAM analyzer.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NgramAnalyzer.NgramAnalyzerFactory	Factory for NgramAnalyzer.

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

org.apache.lucene.analysis.Analyzer.ReuseStrategy, org.apache.lucene.analysis.Analyzer.TokenStreamComponents

Field Summary

Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase

stopwords

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

GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY

Constructor Summary

Constructors

Constructor	Description
NgramAnalyzer(org.apache.lucene.analysis.CharArraySet stopwords, int minTokenLength, int maxTokenLength, boolean edgesOnly)

Method Summary

Modifier and Type	Method	Description
protected org.apache.lucene.analysis.Analyzer.TokenStreamComponents	createComponents(String fieldName)
protected org.apache.lucene.analysis.TokenStream	normalize(String fieldName, org.apache.lucene.analysis.TokenStream in)

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

getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet

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

attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, getVersion, initReader, initReaderForNormalization, normalize, setVersion, tokenStream, tokenStream

Methods inherited from class java.lang.Object

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

Constructor Details

NgramAnalyzer

public NgramAnalyzer(@Nullable
 org.apache.lucene.analysis.CharArraySet stopwords,
 int minTokenLength,
 int maxTokenLength,
 boolean edgesOnly)

Method Details

createComponents

protected org.apache.lucene.analysis.Analyzer.TokenStreamComponents createComponents(String fieldName)

Specified by:

createComponents in class org.apache.lucene.analysis.Analyzer

normalize

protected org.apache.lucene.analysis.TokenStream normalize(String fieldName,
 org.apache.lucene.analysis.TokenStream in)

Overrides:

normalize in class org.apache.lucene.analysis.Analyzer