org.apache.lucene.analysis.ar
Class ArabicLetterTokenizer

java.lang.Object
  extended by org.apache.lucene.util.AttributeSource
      extended by org.apache.lucene.analysis.TokenStream
          extended by org.apache.lucene.analysis.Tokenizer
              extended by org.apache.lucene.analysis.util.CharTokenizer
                  extended by org.apache.lucene.analysis.core.LetterTokenizer
                      extended by org.apache.lucene.analysis.ar.ArabicLetterTokenizer
All Implemented Interfaces:
Closeable

Deprecated. (3.1) Use StandardTokenizer instead.

@Deprecated
public class ArabicLetterTokenizer
extends LetterTokenizer

Tokenizer that breaks text into runs of letters and diacritics.

The problem with the standard Letter tokenizer is that it fails on diacritics. Handling similar to this is necessary for Indic Scripts, Hebrew, Thaana, etc.

You must specify the required Version compatibility when creating ArabicLetterTokenizer:


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.AttributeFactory, AttributeSource.State
 
Field Summary
 
Fields inherited from class org.apache.lucene.analysis.Tokenizer
input
 
Constructor Summary
ArabicLetterTokenizer(Version matchVersion, AttributeSource.AttributeFactory factory, Reader in)
          Deprecated. Construct a new ArabicLetterTokenizer using a given AttributeSource.AttributeFactory.
ArabicLetterTokenizer(Version matchVersion, AttributeSource source, Reader in)
          Deprecated. Construct a new ArabicLetterTokenizer using a given AttributeSource.
ArabicLetterTokenizer(Version matchVersion, Reader in)
          Deprecated. Construct a new ArabicLetterTokenizer.
 
Method Summary
protected  boolean isTokenChar(int c)
          Deprecated. Allows for Letter category or NonspacingMark category
 
Methods inherited from class org.apache.lucene.analysis.util.CharTokenizer
end, incrementToken, normalize, reset
 
Methods inherited from class org.apache.lucene.analysis.Tokenizer
close, correctOffset, setReader
 
Methods inherited from class org.apache.lucene.util.AttributeSource
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ArabicLetterTokenizer

public ArabicLetterTokenizer(Version matchVersion,
                             Reader in)
Deprecated. 
Construct a new ArabicLetterTokenizer.

Parameters:
matchVersion - Lucene version to match See above
in - the input to split up into tokens

ArabicLetterTokenizer

public ArabicLetterTokenizer(Version matchVersion,
                             AttributeSource source,
                             Reader in)
Deprecated. 
Construct a new ArabicLetterTokenizer using a given AttributeSource.

Parameters:
matchVersion - Lucene version to match See above
source - the attribute source to use for this Tokenizer
in - the input to split up into tokens

ArabicLetterTokenizer

public ArabicLetterTokenizer(Version matchVersion,
                             AttributeSource.AttributeFactory factory,
                             Reader in)
Deprecated. 
Construct a new ArabicLetterTokenizer using a given AttributeSource.AttributeFactory. * @param matchVersion Lucene version to match See above

Parameters:
factory - the attribute factory to use for this Tokenizer
in - the input to split up into tokens
Method Detail

isTokenChar

protected boolean isTokenChar(int c)
Deprecated. 
Allows for Letter category or NonspacingMark category

Overrides:
isTokenChar in class LetterTokenizer
See Also:
LetterTokenizer.isTokenChar(int)


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