org.dspace.search
Class DSNonStemmingAnalyzer

java.lang.Object
  org.apache.lucene.analysis.Analyzer
      org.apache.lucene.analysis.ReusableAnalyzerBase
          org.apache.lucene.analysis.StopwordAnalyzerBase
              org.dspace.search.DSAnalyzer
                  org.dspace.search.DSNonStemmingAnalyzer

All Implemented Interfaces:

Closeable

public class DSNonStemmingAnalyzer
extends DSAnalyzer

Custom Lucene Analyzer that combines the standard filter, lowercase filter and stopword filter. Intentionally omits the stemming filter (which is used by DSAnalyzer)

Nested Class Summary

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

org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents

Field Summary

Fields inherited from class org.dspace.search.DSAnalyzer

matchVersion, STOP_WORDS, stopSet

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

stopwords

Constructor Summary

DSNonStemmingAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer

Method Summary

protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents

createComponents(String fieldName, Reader reader) Create a token stream for this analyzer.

Methods inherited from class org.dspace.search.DSAnalyzer

getPositionIncrementGap

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

getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet

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

initReader, reusableTokenStream, tokenStream

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

close, getOffsetGap, getPreviousTokenStream, setPreviousTokenStream

Methods inherited from class java.lang.Object

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

Constructor Detail

DSNonStemmingAnalyzer

public DSNonStemmingAnalyzer(org.apache.lucene.util.Version matchVersion)

Builds an analyzer

Parameters:

matchVersion - Lucene version to match

Method Detail

createComponents

protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName,
                                                                                                 Reader reader)

Create a token stream for this analyzer. This is identical to DSAnalyzer, except it omits the stemming filter

Overrides:

createComponents in class DSAnalyzer