org.apache.lucene.analysis.cjk.CJKAnalyzer Java Examples

/** Test that analyzer and tokenizerFactory is both specified */
public void testAnalyzer() throws Exception {
  final String analyzer = CJKAnalyzer.class.getName();
  final String tokenizerFactory = PatternTokenizerFactory.class.getName();
  TokenFilterFactory factory = null;

  factory = tokenFilterFactory("Synonym",
      "synonyms", "synonyms2.txt",
      "analyzer", analyzer);
  assertNotNull(factory);

  IllegalArgumentException expected = expectThrows(IllegalArgumentException.class, () -> {
    tokenFilterFactory("Synonym",
        "synonyms", "synonyms.txt",
        "analyzer", analyzer,
        "tokenizerFactory", tokenizerFactory);
  });
  assertTrue(expected.getMessage().contains("Analyzer and TokenizerFactory can't be specified both"));
}
 

@Inject
public CjkAnalyzerProvider(Index index, IndexSettingsService indexSettingsService, Environment env, @Assisted String name, @Assisted Settings settings) {
    super(index, indexSettingsService.getSettings(), name, settings);
    CharArraySet stopWords = Analysis.parseStopWords(env, settings, CJKAnalyzer.getDefaultStopSet());

    analyzer = new CJKAnalyzer(stopWords);
    analyzer.setVersion(version);
}
 

private Analyzer newAnalyzer() {
    switch (analyzer) {
        case "char":
            return new CharAnalyzer();
        case "simple":
            return new SimpleAnalyzer();
        case "standard":
            return new StandardAnalyzer();
        default:
            return new CJKAnalyzer();
    }
}
 

private Map<Pattern, Analyzer> createCJKAnalyzer() {
  Analyzer analyzer = new CJKAnalyzer();
  Map<Pattern, Analyzer> fieldAnalyzerMaps = new LinkedHashMap<Pattern, Analyzer>();
  Pattern fieldPattern = Pattern.compile("cjk");
  fieldAnalyzerMaps.put(fieldPattern, analyzer);
  return fieldAnalyzerMaps;
}
 

CjkAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    CharArraySet stopWords = Analysis.parseStopWords(
        env, settings, CJKAnalyzer.getDefaultStopSet());

    analyzer = new CJKAnalyzer(stopWords);
    analyzer.setVersion(version);
}
 

@Override
protected NlpTokenizer<? extends NlpToken> getTokenizer() {
    CJKAnalyzer analyzer = new CJKAnalyzer();
    return new LuceneTokenizer(analyzer);
}
 

@Override
public CJKAnalyzer get() {
    return this.analyzer;
}
 

@Override
public CJKAnalyzer get() {
    return this.analyzer;
}
 

@Override
public List<PreBuiltAnalyzerProviderFactory> getPreBuiltAnalyzerProviderFactories() {
    List<PreBuiltAnalyzerProviderFactory> analyzers = new ArrayList<>();
    analyzers.add(new PreBuiltAnalyzerProviderFactory("standard_html_strip", CachingStrategy.ELASTICSEARCH,
        () -> new StandardHtmlStripAnalyzer(CharArraySet.EMPTY_SET)));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("pattern", CachingStrategy.ELASTICSEARCH,
        () -> new PatternAnalyzer(Regex.compile("\\W+" /*PatternAnalyzer.NON_WORD_PATTERN*/, null), true,
        CharArraySet.EMPTY_SET)));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("snowball", CachingStrategy.LUCENE,
        () -> new SnowballAnalyzer("English", EnglishAnalyzer.ENGLISH_STOP_WORDS_SET)));

    // Language analyzers:
    analyzers.add(new PreBuiltAnalyzerProviderFactory("arabic", CachingStrategy.LUCENE, ArabicAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("armenian", CachingStrategy.LUCENE, ArmenianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("basque", CachingStrategy.LUCENE, BasqueAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("bengali", CachingStrategy.LUCENE, BengaliAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("brazilian", CachingStrategy.LUCENE, BrazilianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("bulgarian", CachingStrategy.LUCENE, BulgarianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("catalan", CachingStrategy.LUCENE, CatalanAnalyzer::new));
    // chinese analyzer: only for old indices, best effort
    analyzers.add(new PreBuiltAnalyzerProviderFactory("chinese", CachingStrategy.ONE, StandardAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("cjk", CachingStrategy.LUCENE, CJKAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("czech", CachingStrategy.LUCENE, CzechAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("danish", CachingStrategy.LUCENE, DanishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("dutch", CachingStrategy.LUCENE, DutchAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("english", CachingStrategy.LUCENE, EnglishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("finnish", CachingStrategy.LUCENE, FinnishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("french", CachingStrategy.LUCENE, FrenchAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("galician", CachingStrategy.LUCENE, GalicianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("german", CachingStrategy.LUCENE, GermanAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("greek", CachingStrategy.LUCENE, GreekAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("hindi", CachingStrategy.LUCENE, HindiAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("hungarian", CachingStrategy.LUCENE, HungarianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("indonesian", CachingStrategy.LUCENE, IndonesianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("irish", CachingStrategy.LUCENE, IrishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("italian", CachingStrategy.LUCENE, ItalianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("latvian", CachingStrategy.LUCENE, LatvianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("lithuanian", CachingStrategy.LUCENE, LithuanianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("norwegian", CachingStrategy.LUCENE, NorwegianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("persian", CachingStrategy.LUCENE, PersianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("portuguese", CachingStrategy.LUCENE, PortugueseAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("romanian", CachingStrategy.LUCENE, RomanianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("russian", CachingStrategy.LUCENE, RussianAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("sorani", CachingStrategy.LUCENE, SoraniAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("spanish", CachingStrategy.LUCENE, SpanishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("swedish", CachingStrategy.LUCENE, SwedishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("turkish", CachingStrategy.LUCENE, TurkishAnalyzer::new));
    analyzers.add(new PreBuiltAnalyzerProviderFactory("thai", CachingStrategy.LUCENE, ThaiAnalyzer::new));
    return analyzers;
}