Class ElisionFilter

  extended by org.apache.lucene.util.AttributeSource
      extended by org.apache.lucene.analysis.TokenStream
          extended by org.apache.lucene.analysis.TokenFilter
              extended by org.apache.lucene.analysis.util.ElisionFilter
All Implemented Interfaces:

public final class ElisionFilter
extends TokenFilter

Removes elisions from a TokenStream. For example, "l'avion" (the plane) will be tokenized as "avion" (plane).

See Also:
Elision in Wikipedia

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.TokenFilter
Constructor Summary
ElisionFilter(TokenStream input, CharArraySet articles)
          Constructs an elision filter with a Set of stop words
Method Summary
 boolean incrementToken()
          Increments the TokenStream with a CharTermAttribute without elisioned start
Methods inherited from class org.apache.lucene.analysis.TokenFilter
close, end, reset
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


public ElisionFilter(TokenStream input,
                     CharArraySet articles)
Constructs an elision filter with a Set of stop words

input - the source TokenStream
articles - a set of stopword articles
Method Detail


public final boolean incrementToken()
                             throws IOException
Increments the TokenStream with a CharTermAttribute without elisioned start

Specified by:
incrementToken in class TokenStream

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