Field Detail

• GERMAN_STOP_WORDS

  @Deprecated
  public static final String[] GERMAN_STOP_WORDS

  Deprecated.

  use getDefaultStopSet() instead
  List of typical german stopwords.

• DEFAULT_STOPWORD_FILE

  public static final String DEFAULT_STOPWORD_FILE

  File containing default German stopwords.

  See Also:

  Constant Field Values

Constructor Detail

• GermanAnalyzer

  public GermanAnalyzer​(org.apache.lucene.util.Version matchVersion)

  Builds an analyzer with the default stop words: getDefaultStopSet().

• GermanAnalyzer

  public GermanAnalyzer​(org.apache.lucene.util.Version matchVersion,
                        Set<?> stopwords)

  Builds an analyzer with the given stop words

  Parameters:

  matchVersion - lucene compatibility version

  stopwords - a stopword set

• GermanAnalyzer

  public GermanAnalyzer​(org.apache.lucene.util.Version matchVersion,
                        Set<?> stopwords,
                        Set<?> stemExclusionSet)

  Builds an analyzer with the given stop words

  Parameters:

  matchVersion - lucene compatibility version

  stopwords - a stopword set

  stemExclusionSet - a stemming exclusion set

• GermanAnalyzer

  @Deprecated
  public GermanAnalyzer​(org.apache.lucene.util.Version matchVersion,
                        String... stopwords)

  Deprecated.

  use GermanAnalyzer(Version, Set)
  Builds an analyzer with the given stop words.

• GermanAnalyzer

  @Deprecated
  public GermanAnalyzer​(org.apache.lucene.util.Version matchVersion,
                        Map<?,​?> stopwords)

  Deprecated.

  use GermanAnalyzer(Version, Set)
  Builds an analyzer with the given stop words.

• GermanAnalyzer

  @Deprecated
  public GermanAnalyzer​(org.apache.lucene.util.Version matchVersion,
                        File stopwords)
                 throws IOException

  Deprecated.

  use GermanAnalyzer(Version, Set)
  Builds an analyzer with the given stop words.

  Throws:

  IOException

Method Detail

• getDefaultStopSet

  public static final Set<?> getDefaultStopSet()

  Returns a set of default German-stopwords

  Returns:

  a set of default German-stopwords

• setStemExclusionTable

  @Deprecated
  public void setStemExclusionTable​(String[] exclusionlist)

  Deprecated.

  use GermanAnalyzer(Version, Set, Set) instead
  Builds an exclusionlist from an array of Strings.

• setStemExclusionTable

  @Deprecated
  public void setStemExclusionTable​(Map<?,​?> exclusionlist)

  Deprecated.

  use GermanAnalyzer(Version, Set, Set) instead
  Builds an exclusionlist from a Map

• setStemExclusionTable

  @Deprecated
  public void setStemExclusionTable​(File exclusionlist)
                             throws IOException

  Deprecated.

  use GermanAnalyzer(Version, Set, Set) instead
  Builds an exclusionlist from the words contained in the given file.

  Throws:

  IOException

• createComponents

  protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents​(String fieldName,
                                                                                                   Reader reader)

  Creates ReusableAnalyzerBase.TokenStreamComponents used to tokenize all the text in the provided Reader.

  Specified by:

  createComponents in class org.apache.lucene.analysis.ReusableAnalyzerBase

  Returns:

  ReusableAnalyzerBase.TokenStreamComponents built from a StandardTokenizer filtered with StandardFilter, LowerCaseFilter, StopFilter , KeywordMarkerFilter if a stem exclusion set is provided, GermanNormalizationFilter and GermanLightStemFilter