org.apache.lucene.analysis.br: public final class: BrazilianStemFilter

org.apache.lucene.analysis.br
public final class: BrazilianStemFilter [javadoc | source]

java.lang.Object
   org.apache.lucene.analysis.TokenStream
      org.apache.lucene.analysis.TokenFilter
         org.apache.lucene.analysis.br.BrazilianStemFilter

Based on GermanStemFilter

author: Jo - ão Kramer

Fields inherited from org.apache.lucene.analysis.TokenFilter:
input

Constructor:
public BrazilianStemFilter(TokenStream in) { super(in); stemmer = new BrazilianStemmer(); }
public BrazilianStemFilter(TokenStream in, Set exclusiontable) { this(in); this.exclusions = exclusiontable; }

Constructor:

 public BrazilianStemFilter(TokenStream in) {
     
    super(in);
    stemmer = new BrazilianStemmer();
}

 public BrazilianStemFilter(TokenStream in,
    Set exclusiontable) {
    this(in);
    this.exclusions = exclusiontable;
}

Method from org.apache.lucene.analysis.br.BrazilianStemFilter Summary:
next

Methods from org.apache.lucene.analysis.TokenFilter:
close

Methods from org.apache.lucene.analysis.TokenStream:
close, next, next, reset

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.lucene.analysis.br.BrazilianStemFilter Detail:
public final Token next() throws IOException { if ((token = input.next()) == null) { return null; } // Check the exclusiontable. else if (exclusions != null && exclusions.contains(token.termText())) { return token; } else { String s = stemmer.stem(token.termText()); // If not stemmed, dont waste the time creating a new token. if ((s != null) && !s.equals(token.termText())) { return new Token(s, token.startOffset(), token.endOffset(), token.type()); } return token; } }

Method from org.apache.lucene.analysis.br.BrazilianStemFilter Detail:

 public final Token next() throws IOException {
    if ((token = input.next()) == null) {
      return null;
    }
    // Check the exclusiontable.
    else if (exclusions != null && exclusions.contains(token.termText())) {
      return token;
    } else {
      String s = stemmer.stem(token.termText());
      // If not stemmed, dont waste the time creating a new token.
      if ((s != null) && !s.equals(token.termText())) {
        return new Token(s, token.startOffset(), token.endOffset(), token.type());
      }
      return token;
    }
}