Examples with UdfParameter io.confluent.ksql.function.udf.UdfParameter used on opensource projects

Example 1 with UdfParameter

use of io.confluent.ksql.function.udf.UdfParameter in project ksql by confluentinc.

the class JsonArrayContains method contains.

@Udf
public <T> Boolean contains(@UdfParameter final String jsonArray, @UdfParameter final T val) {
    try (JsonParser parser = PARSER_FACTORY.createParser(jsonArray)) {
        if (parser.nextToken() != START_ARRAY) {
            return false;
        }
        while (parser.nextToken() != null) {
            final JsonToken token = parser.currentToken();
            if (token == null) {
                return val == null;
            } else if (token == END_ARRAY) {
                return false;
            }
            parser.skipChildren();
            if (TOKEN_COMPAT.getOrDefault(token, foo -> false).test(val)) {
                if (token == VALUE_NULL || (val != null && Objects.equals(parser.readValueAs(val.getClass()), val))) {
                    return true;
                }
            }
        }
        return false;
    } catch (final IOException e) {
        return false;
    }
}