org.apache.lucene.analysis
Class KeywordAnalyzer

java.lang.Object
  extended by org.apache.lucene.analysis.Analyzer
      extended by org.apache.lucene.analysis.KeywordAnalyzer
All Implemented Interfaces:
Closeable

public class KeywordAnalyzer
extends Analyzer

"Tokenizes" the entire stream as a single token. This is useful for data like zip codes, ids, and some product names.


Field Summary
 
Fields inherited from class org.apache.lucene.analysis.Analyzer
overridesTokenStreamMethod
 
Constructor Summary
KeywordAnalyzer()
           
 
Method Summary
 TokenStream reusableTokenStream(String fieldName, Reader reader)
          Creates a TokenStream that is allowed to be re-used from the previous time that the same thread called this method.
 TokenStream tokenStream(String fieldName, Reader reader)
          Creates a TokenStream which tokenizes all the text in the provided Reader.
 
Methods inherited from class org.apache.lucene.analysis.Analyzer
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setOverridesTokenStreamMethod, setPreviousTokenStream
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

KeywordAnalyzer

public KeywordAnalyzer()
Method Detail

tokenStream

public TokenStream tokenStream(String fieldName,
                               Reader reader)
Description copied from class: Analyzer
Creates a TokenStream which tokenizes all the text in the provided Reader. Must be able to handle null field name for backward compatibility.

Specified by:
tokenStream in class Analyzer

reusableTokenStream

public TokenStream reusableTokenStream(String fieldName,
                                       Reader reader)
                                throws IOException
Description copied from class: Analyzer
Creates a TokenStream that is allowed to be re-used from the previous time that the same thread called this method. Callers that do not need to use more than one TokenStream at the same time from this analyzer should use this method for better performance.

Overrides:
reusableTokenStream in class Analyzer
Throws:
IOException


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