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

Example 86 with ProcessorTopology

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

the class StreamsBuilderTest method shouldUseSpecifiedNameForPrintOperation.

@Test
public void shouldUseSpecifiedNameForPrintOperation() {
    builder.stream(STREAM_TOPIC).print(Printed.toSysOut().withName("print-processor"));
    builder.build();
    final ProcessorTopology topology = builder.internalTopologyBuilder.rewriteTopology(new StreamsConfig(props)).buildTopology();
    assertNamesForOperation(topology, "KSTREAM-SOURCE-0000000000", "print-processor");
}

Example 87 with ProcessorTopology

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

the class StreamsBuilderTest method shouldUseSpecifiedNameForTransform.

@Test
public void shouldUseSpecifiedNameForTransform() {
    builder.stream(STREAM_TOPIC).transform(() -> null, Named.as(STREAM_OPERATION_NAME));
    builder.build();
    final ProcessorTopology topology = builder.internalTopologyBuilder.rewriteTopology(new StreamsConfig(props)).buildTopology();
    assertNamesForOperation(topology, "KSTREAM-SOURCE-0000000000", STREAM_OPERATION_NAME);
}

Example 88 with ProcessorTopology

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

the class StreamsBuilderTest method shouldUseSpecifiedNameForToStream.

@Test
public void shouldUseSpecifiedNameForToStream() {
    builder.table(STREAM_TOPIC).toStream(Named.as("to-stream"));
    builder.build();
    final ProcessorTopology topology = builder.internalTopologyBuilder.rewriteTopology(new StreamsConfig(props)).buildTopology();
    assertNamesForOperation(topology, "KSTREAM-SOURCE-0000000001", "KTABLE-SOURCE-0000000002", "to-stream");
}

Example 89 with ProcessorTopology

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

the class StreamsBuilderTest method shouldUseSpecifiedNameForAggregateOperationGivenTable.

@Test
public void shouldUseSpecifiedNameForAggregateOperationGivenTable() {
    builder.table(STREAM_TOPIC).groupBy(KeyValue::pair, Grouped.as("group-operation")).count(Named.as(STREAM_OPERATION_NAME));
    builder.build();
    final ProcessorTopology topology = builder.internalTopologyBuilder.rewriteTopology(new StreamsConfig(props)).buildTopology();
    assertNamesForStateStore(topology.stateStores(), STREAM_TOPIC + "-STATE-STORE-0000000000", "KTABLE-AGGREGATE-STATE-STORE-0000000004");
    assertNamesForOperation(topology, "KSTREAM-SOURCE-0000000001", "KTABLE-SOURCE-0000000002", "group-operation", STREAM_OPERATION_NAME + "-sink", STREAM_OPERATION_NAME + "-source", STREAM_OPERATION_NAME);
}

Example 90 with ProcessorTopology

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

the class StreamsBuilderTest method shouldAllowJoinUnmaterializedJoinedKTable.

@Test
public void shouldAllowJoinUnmaterializedJoinedKTable() {
    final KTable<Bytes, String> table1 = builder.table("table-topic1");
    final KTable<Bytes, String> table2 = builder.table("table-topic2");
    builder.<Bytes, String>stream(STREAM_TOPIC).join(table1.join(table2, MockValueJoiner.TOSTRING_JOINER), MockValueJoiner.TOSTRING_JOINER);
    builder.build();
    final ProcessorTopology topology = builder.internalTopologyBuilder.rewriteTopology(new StreamsConfig(props)).buildTopology();
    assertThat(topology.stateStores().size(), equalTo(2));
    assertThat(topology.processorConnectedStateStores("KSTREAM-JOIN-0000000010"), equalTo(Utils.mkSet(topology.stateStores().get(0).name(), topology.stateStores().get(1).name())));
    assertTrue(topology.processorConnectedStateStores("KTABLE-MERGE-0000000007").isEmpty());
}