org.apache.lucene.analysis.el
Class GreekAnalyzer

java.lang.Object
  extended by org.apache.lucene.analysis.Analyzer
      extended by org.apache.lucene.analysis.util.StopwordAnalyzerBase
          extended by org.apache.lucene.analysis.el.GreekAnalyzer
All Implemented Interfaces:
Closeable

public final class GreekAnalyzer
extends StopwordAnalyzerBase

Analyzer for the Greek language.

Supports an external list of stopwords (words that will not be indexed at all). A default set of stopwords is used unless an alternative list is specified.

You must specify the required Version compatibility when creating GreekAnalyzer:

NOTE: This class uses the same Version dependent settings as StandardAnalyzer.


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer
Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
 
Field Summary
static String DEFAULT_STOPWORD_FILE
          File containing default Greek stopwords.
 
Fields inherited from class org.apache.lucene.analysis.util.StopwordAnalyzerBase
matchVersion, stopwords
 
Fields inherited from class org.apache.lucene.analysis.Analyzer
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
 
Constructor Summary
GreekAnalyzer(Version matchVersion)
          Builds an analyzer with the default stop words.
GreekAnalyzer(Version matchVersion, CharArraySet stopwords)
          Builds an analyzer with the given stop words.
 
Method Summary
protected  Analyzer.TokenStreamComponents createComponents(String fieldName, Reader reader)
          Creates Analyzer.TokenStreamComponents used to tokenize all the text in the provided Reader.
static CharArraySet getDefaultStopSet()
          Returns a set of default Greek-stopwords
 
Methods inherited from class org.apache.lucene.analysis.util.StopwordAnalyzerBase
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
 
Methods inherited from class org.apache.lucene.analysis.Analyzer
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, tokenStream, tokenStream
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DEFAULT_STOPWORD_FILE

public static final String DEFAULT_STOPWORD_FILE
File containing default Greek stopwords.

See Also:
Constant Field Values
Constructor Detail

GreekAnalyzer

public GreekAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words.

Parameters:
matchVersion - Lucene compatibility version, See above

GreekAnalyzer

public GreekAnalyzer(Version matchVersion,
                     CharArraySet stopwords)
Builds an analyzer with the given stop words.

NOTE: The stopwords set should be pre-processed with the logic of GreekLowerCaseFilter for best results.

Parameters:
matchVersion - Lucene compatibility version, See above
stopwords - a stopword set
Method Detail

getDefaultStopSet

public static final CharArraySet getDefaultStopSet()
Returns a set of default Greek-stopwords

Returns:
a set of default Greek-stopwords

createComponents

protected Analyzer.TokenStreamComponents createComponents(String fieldName,
                                                          Reader reader)
Creates Analyzer.TokenStreamComponents used to tokenize all the text in the provided Reader.

Specified by:
createComponents in class Analyzer
Returns:
Analyzer.TokenStreamComponents built from a StandardTokenizer filtered with GreekLowerCaseFilter, StandardFilter, StopFilter, and GreekStemFilter


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