public final class DutchStemFilter
extends org.apache.lucene.analysis.TokenFilter
TokenFilter
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
).
Constructor and Description |
---|
DutchStemFilter(org.apache.lucene.analysis.TokenStream _in) |
DutchStemFilter(org.apache.lucene.analysis.TokenStream _in,
Set exclusiontable)
Builds a DutchStemFilter that uses an exclusion table.
|
DutchStemFilter(org.apache.lucene.analysis.TokenStream _in,
Set exclusiontable,
Map stemdictionary) |
Modifier and Type | Method and Description |
---|---|
boolean |
incrementToken()
Returns the next token in the stream, or null at EOS
|
void |
setExclusionTable(HashSet exclusiontable)
Set an alternative exclusion list for this filter.
|
void |
setStemDictionary(HashMap dict)
Set dictionary for stemming, this dictionary overrules the algorithm,
so you can correct for a particular unwanted word-stem pair.
|
void |
setStemmer(DutchStemmer stemmer)
Set a alternative/custom
DutchStemmer for this filter. |
getOnlyUseNewAPI, next, next, setOnlyUseNewAPI
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString
public DutchStemFilter(org.apache.lucene.analysis.TokenStream _in)
public DutchStemFilter(org.apache.lucene.analysis.TokenStream _in, Set exclusiontable)
public boolean incrementToken() throws IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
IOException
public void setStemmer(DutchStemmer stemmer)
DutchStemmer
for this filter.public void setExclusionTable(HashSet exclusiontable)
public void setStemDictionary(HashMap dict)
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