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java.lang.Objectorg.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.de.GermanStemFilter
A filter that stems German 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 GermanStemmer).
Field Summary |
Fields inherited from class org.apache.lucene.analysis.TokenFilter |
input |
Constructor Summary | |
GermanStemFilter(TokenStream in)
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GermanStemFilter(TokenStream in,
Set exclusionSet)
Builds a GermanStemFilter that uses an exclusiontable. |
Method Summary | |
Token |
next()
Returns the next token in the stream, or null at EOS. |
void |
setExclusionSet(Set exclusionSet)
Set an alternative exclusion list for this filter. |
void |
setStemmer(GermanStemmer stemmer)
Set a alternative/custom GermanStemmer 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 GermanStemFilter(TokenStream in)
public GermanStemFilter(TokenStream in, Set exclusionSet)
Method Detail |
public final Token next() throws IOException
TokenStream
next
in class TokenStream
IOException
public void setStemmer(GermanStemmer stemmer)
public void setExclusionSet(Set exclusionSet)
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