Examples with TopologyDescription org.apache.kafka.streams.TopologyDescription used on opensource projects

Example 1 with TopologyDescription

use of org.apache.kafka.streams.TopologyDescription in project ksql by confluentinc.

the class AggregateNodeTest method shouldHaveTwoSubTopologies.

@Test
public void shouldHaveTwoSubTopologies() {
    buildRequireRekey();
    final TopologyDescription description = builder.build().describe();
    assertThat(description.subtopologies().size(), equalTo(2));
}

Example 2 with TopologyDescription

use of org.apache.kafka.streams.TopologyDescription in project ksql by confluentinc.

the class PlanTestUtil method getNodeByName.

static TopologyDescription.Node getNodeByName(final Topology topology, final String nodeName) {
    final TopologyDescription description = topology.describe();
    final Set<TopologyDescription.Subtopology> subtopologies = description.subtopologies();
    List<TopologyDescription.Node> nodes = subtopologies.stream().flatMap(subtopology -> subtopology.nodes().stream()).collect(Collectors.toList());
    final Map<String, List<TopologyDescription.Node>> nodesByName = nodes.stream().collect(Collectors.groupingBy(TopologyDescription.Node::name));
    return nodesByName.get(nodeName).get(0);
}

Example 3 with TopologyDescription

use of org.apache.kafka.streams.TopologyDescription in project ksql by confluentinc.

the class AggregateNodeTest method shouldHaveOneSubTopologyIfGroupByKey.

@Test
public void shouldHaveOneSubTopologyIfGroupByKey() {
    build();
    final TopologyDescription description = builder.build().describe();
    assertThat(description.subtopologies().size(), equalTo(1));
}