|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.nl.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).
Field Summary |
---|
Fields inherited from class org.apache.lucene.analysis.TokenFilter |
---|
input |
Constructor Summary | |
---|---|
DutchStemFilter(TokenStream _in)
|
|
DutchStemFilter(TokenStream _in,
java.util.Set exclusiontable)
Builds a DutchStemFilter that uses an exclusiontable. |
|
DutchStemFilter(TokenStream _in,
java.util.Set exclusiontable,
java.util.Map stemdictionary)
|
Method Summary | |
---|---|
Token |
next()
Returns the next token in the stream, or null at EOS. |
void |
setExclusionTable(java.util.HashSet exclusiontable)
Set an alternative exclusion list for this filter. |
void |
setStemDictionary(java.util.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. |
Methods inherited from class org.apache.lucene.analysis.TokenFilter |
---|
close |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public DutchStemFilter(TokenStream _in)
public DutchStemFilter(TokenStream _in, java.util.Set exclusiontable)
public DutchStemFilter(TokenStream _in, java.util.Set exclusiontable, java.util.Map stemdictionary)
stemdictionary
- Dictionary of word stem pairs, that overrule the algorithmMethod Detail |
---|
public Token next() throws java.io.IOException
TokenStream
next
in class TokenStream
java.io.IOException
public void setStemmer(DutchStemmer stemmer)
public void setExclusionTable(java.util.HashSet exclusiontable)
public void setStemDictionary(java.util.HashMap dict)
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |