Page History

public class Joined {
   /**
	* Set the grace period on the stream side of the join. Records will enter a buffer before being processed. Out of order records in the grace period will be processed in timestamp order. Late records, out of the grace period, will be executed right as they come in, if it is past the table history retention this could result in joins on the wrong version or a null join. Long gaps in stream side arriving records will cause records to be delayed in processing, even resulting in be processed out of the grace period window.
	*  
	*
	* @param gracePeriod the duration of the grace period. If zero, no buffer will be used. Must be less than the joining table's history retention.
	* @return new {@code Joined} instance configured with the gracePeriod
	*/
	public Joined withGracePeriod(Duration gracePeriod);

   /**
     * Create an instance of {@code Joined} with key, value, and otherValue {@link Serde} instances.
     * {@code null} values are accepted and will be replaced by the default serdes as defined in
     * config.
     *
     * @param keySerde the key serde to use. If {@code null} the default key serde from config will be
     * used
     * @param valueSerde the value serde to use. If {@code null} the default value serde from config
     * will be used
     * @param otherValueSerde the otherValue serde to use. If {@code null} the default value serde
     * from config will be used
     * @param name the name used as the base for naming components of the join including any
     * repartition topics
	 * @param gracePeriod Duration of the stream side buffer
     * @param <K> key type
     * @param <V> value type
     * @param <VO> other value type
     * @return new {@code Joined} instance with the provided serdes
     */
    public static <K, V, VO> Joined<K, V, VO> with(final Serde<K> keySerde,
                                                   final Serde<V> valueSerde,
                                                   final Serde<VO> otherValueSerde,
                                                   final String name,
                                                   final Duration gracePeriod);

    public Duration gracePeriod() {
        return gracePeriod;
    }
}