public class JsonQueryParser extends QueryParserHelper {
public JsonQueryParser() {
super(new JsonQueryConfigHandler(), new JsonSyntaxParser(),
new JsonQueryNodeProcessorPipeline(null),
new JsonQueryTreeBuilder(null));
final KeywordQueryParser keywordParser = this.getKeywordQueryParser();
// ensure that the default operator of the keyword parser is in synch
keywordParser.setDefaultOperator(this.getDefaultOperator());
// configure builders with the keyword parser
final JsonQueryTreeBuilder builder = (JsonQueryTreeBuilder) this.getQueryBuilder();
builder.setBuilders(keywordParser);
}