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java.lang.Objectorg.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.de.GermanStemFilter
public final class 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 |
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Fields inherited from class org.apache.lucene.analysis.TokenFilter |
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input |
Constructor Summary | |
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GermanStemFilter(TokenStream in)
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GermanStemFilter(TokenStream in,
java.util.Hashtable exclusiontable)
Deprecated. Use GermanStemFilter(org.apache.lucene.analysis.TokenStream, java.util.Set) instead. |
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GermanStemFilter(TokenStream in,
java.util.Set exclusionSet)
Builds a GermanStemFilter that uses an exclusiontable. |
Method Summary | |
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Token |
next()
Returns the next token in the stream, or null at EOS. |
void |
setExclusionSet(java.util.Set exclusionSet)
Set an alternative exclusion list for this filter. |
void |
setExclusionTable(java.util.Hashtable exclusiontable)
Deprecated. Use setExclusionSet(java.util.Set) instead. |
void |
setStemmer(GermanStemmer stemmer)
Set a alternative/custom GermanStemmer for this filter. |
Methods inherited from class org.apache.lucene.analysis.TokenFilter |
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close |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GermanStemFilter(TokenStream in)
public GermanStemFilter(TokenStream in, java.util.Hashtable exclusiontable)
GermanStemFilter(org.apache.lucene.analysis.TokenStream, java.util.Set)
instead.
public GermanStemFilter(TokenStream in, java.util.Set exclusionSet)
Method Detail |
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public final Token next() throws java.io.IOException
TokenStream
next
in class TokenStream
java.io.IOException
public void setStemmer(GermanStemmer stemmer)
public void setExclusionTable(java.util.Hashtable exclusiontable)
setExclusionSet(java.util.Set)
instead.
public void setExclusionSet(java.util.Set exclusionSet)
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