org.apache.uima.lucas.indexer.analysis
Class HypernymFilter

java.lang.Object
  org.apache.lucene.util.AttributeSource
      org.apache.lucene.analysis.TokenStream
          org.apache.lucene.analysis.TokenFilter
              org.apache.uima.lucas.indexer.analysis.HypernymFilter

public class HypernymFilter
extends org.apache.lucene.analysis.TokenFilter

TokenFilter subclass which adds hypernyms to a TokenStream based on a map.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State

Field Summary

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

input

Constructor Summary

HypernymFilter(org.apache.lucene.analysis.TokenStream input, Map<String,List<String>> hypernyms)
Constructor.

Method Summary

Map<String,List<String>>	getHypernyms()
org.apache.lucene.analysis.Token	next(org.apache.lucene.analysis.Token nextToken)
void	reset()

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

close, end

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

getOnlyUseNewAPI, incrementToken, next, setOnlyUseNewAPI

Methods inherited from class org.apache.lucene.util.AttributeSource

addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

HypernymFilter

public HypernymFilter(org.apache.lucene.analysis.TokenStream input,
                      Map<String,List<String>> hypernyms)

Constructor.

Parameters:

input - the input TokenStream

hypernyms - the hypernym map. key: token text, value: list of hypernyms

Method Detail

next

public org.apache.lucene.analysis.Token next(org.apache.lucene.analysis.Token nextToken)
                                      throws IOException

Overrides:

next in class org.apache.lucene.analysis.TokenStream

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class org.apache.lucene.analysis.TokenFilter

Throws:

IOException

getHypernyms

public Map<String,List<String>> getHypernyms()