private final Set<?> stopWords;

private final boolean ignoreCase;

@Inject public StopTokenFilterFactory(Index index, @IndexSettings Settings indexSettings, Environment env, @Assisted String name, @Assisted Settings settings) {
    super(index, indexSettings, name, settings);
    this.stopWords = Analysis.parseStopWords(env, settings, StopAnalyzer.ENGLISH_STOP_WORDS_SET);
    this.ignoreCase = settings.getAsBoolean("ignore_case", false);
  NEW LINE ****  this.enablePositionIncrements = settings.getAsBoolean("enable_position_increments", true);
}

@Override public TokenStream create(TokenStream tokenStream) {
NEW LINE ****   StopFilter stopFilter = new StopFilter(version, tokenStream, stopWords, ignoreCase);
NEW LINE ****   stopFilter.setEnablePositionIncrements(enablePositionIncrements);
    return stopFilter;
}

public Set<?> stopWords() {
    return stopWords;
}

public boolean ignoreCase() {
    return ignoreCase;
}