Examples with ShingleTokenFilterFactory org.elasticsearch.index.analysis.ShingleTokenFilterFactory used on opensource projects

Example 1 with ShingleTokenFilterFactory

use of org.elasticsearch.index.analysis.ShingleTokenFilterFactory in project elasticsearch by elastic.

the class PhraseSuggestionBuilder method getShingleFilterFactory.

private static ShingleTokenFilterFactory.Factory getShingleFilterFactory(Analyzer analyzer) {
    if (analyzer instanceof NamedAnalyzer) {
        analyzer = ((NamedAnalyzer) analyzer).analyzer();
    }
    if (analyzer instanceof CustomAnalyzer) {
        final CustomAnalyzer a = (CustomAnalyzer) analyzer;
        final TokenFilterFactory[] tokenFilters = a.tokenFilters();
        for (TokenFilterFactory tokenFilterFactory : tokenFilters) {
            if (tokenFilterFactory instanceof ShingleTokenFilterFactory) {
                return ((ShingleTokenFilterFactory) tokenFilterFactory).getInnerFactory();
            } else if (tokenFilterFactory instanceof ShingleTokenFilterFactory.Factory) {
                return (ShingleTokenFilterFactory.Factory) tokenFilterFactory;
            }
        }
    }
    return null;
}