org.apache.lucene.analysis.nl
Class DutchStemFilter
public final class DutchStemFilter
A filter that stems Dutch words. It supports a table of words that should
not be stemmed at all. The stemmer used can be changed at runtime after the
filter object is created (as long as it is a DutchStemmer).
Token | next()
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void | setExclusionTable(HashSet exclusiontable) - Set an alternative exclusion list for this filter.
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void | setStemDictionary(HashMap dict) - Set dictionary for stemming, this dictionary overrules the algorithm,
so you can correct for a particular unwanted word-stem pair.
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void | setStemmer(DutchStemmer stemmer) - Set a alternative/custom DutchStemmer for this filter.
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DutchStemFilter
public DutchStemFilter(TokenStream _in,
Set exclusiontable)
Builds a DutchStemFilter that uses an exclusiontable.
DutchStemFilter
public DutchStemFilter(TokenStream _in,
Set exclusiontable,
Map stemdictionary)
stemdictionary
- Dictionary of word stem pairs, that overrule the algorithm
next
public Token next()
throws IOException
- next in interface TokenStream
- Returns the next token in the stream, or null at EOS
setExclusionTable
public void setExclusionTable(HashSet exclusiontable)
Set an alternative exclusion list for this filter.
setStemDictionary
public void setStemDictionary(HashMap dict)
Set dictionary for stemming, this dictionary overrules the algorithm,
so you can correct for a particular unwanted word-stem pair.
setStemmer
public void setStemmer(DutchStemmer stemmer)
Set a alternative/custom DutchStemmer for this filter.
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