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

Example 1 with RemoveNamedTopologyResult

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

the class NamedTopologyIntegrationTest method shouldRemoveNamedTopologyToRunningApplicationWithMultipleNodesAndResetsOffsets.

@Test
public void shouldRemoveNamedTopologyToRunningApplicationWithMultipleNodesAndResetsOffsets() throws Exception {
    setupSecondKafkaStreams();
    topology1Builder.stream(INPUT_STREAM_1).groupBy((k, v) -> k).count(IN_MEMORY_STORE).toStream().to(OUTPUT_STREAM_1);
    topology1Builder2.stream(INPUT_STREAM_1).groupBy((k, v) -> k).count(IN_MEMORY_STORE).toStream().to(OUTPUT_STREAM_1);
    streams.start(topology1Builder.build());
    streams2.start(topology1Builder2.build());
    waitForApplicationState(asList(streams, streams2), State.RUNNING, Duration.ofSeconds(30));
    assertThat(waitUntilMinKeyValueRecordsReceived(consumerConfig, OUTPUT_STREAM_1, 3), equalTo(COUNT_OUTPUT_DATA));
    final RemoveNamedTopologyResult result = streams.removeNamedTopology(TOPOLOGY_1, true);
    streams2.removeNamedTopology(TOPOLOGY_1, true).all().get();
    result.all().get();
    assertThat(streams.getTopologyByName(TOPOLOGY_1), equalTo(Optional.empty()));
    assertThat(streams2.getTopologyByName(TOPOLOGY_1), equalTo(Optional.empty()));
    streams.cleanUpNamedTopology(TOPOLOGY_1);
    streams2.cleanUpNamedTopology(TOPOLOGY_1);
    CLUSTER.getAllTopicsInCluster().stream().filter(t -> t.contains("-changelog")).forEach(t -> {
        try {
            CLUSTER.deleteTopicAndWait(t);
        } catch (final InterruptedException e) {
            e.printStackTrace();
        }
    });
    topology2Builder.stream(INPUT_STREAM_1).groupBy((k, v) -> k).count(IN_MEMORY_STORE).toStream().to(OUTPUT_STREAM_2);
    topology2Builder2.stream(INPUT_STREAM_1).groupBy((k, v) -> k).count(IN_MEMORY_STORE).toStream().to(OUTPUT_STREAM_2);
    final AddNamedTopologyResult result1 = streams.addNamedTopology(topology2Builder.build());
    streams2.addNamedTopology(topology2Builder2.build()).all().get();
    result1.all().get();
    assertThat(waitUntilMinKeyValueRecordsReceived(consumerConfig, OUTPUT_STREAM_2, 3), equalTo(COUNT_OUTPUT_DATA));
}