Examples with KafkaStreamsNamedTopologyWrapper org.apache.kafka.streams.processor.internals.namedtopology.KafkaStreamsNamedTopologyWrapper used on opensource projects

Example 6 with KafkaStreamsNamedTopologyWrapper

use of org.apache.kafka.streams.processor.internals.namedtopology.KafkaStreamsNamedTopologyWrapper in project kafka by apache.

the class IntegrationTestUtils method getStateListener.

private static StateListener getStateListener(final KafkaStreams streams) {
    try {
        if (streams instanceof KafkaStreamsNamedTopologyWrapper) {
            final Field field = streams.getClass().getSuperclass().getDeclaredField("stateListener");
            field.setAccessible(true);
            return (StateListener) field.get(streams);
        } else {
            final Field field = streams.getClass().getDeclaredField("stateListener");
            field.setAccessible(true);
            return (StateListener) field.get(streams);
        }
    } catch (final IllegalAccessException | NoSuchFieldException e) {
        throw new RuntimeException("Failed to get StateListener through reflection", e);
    }
}