Examples with WindowBytesStoreSupplier org.apache.kafka.streams.state.WindowBytesStoreSupplier used on opensource projects

Example 31 with WindowBytesStoreSupplier

use of org.apache.kafka.streams.state.WindowBytesStoreSupplier in project kafka by apache.

the class TopologyTest method streamStreamOuterJoinTopologyWithCustomStoresSuppliers.

@Test
public void streamStreamOuterJoinTopologyWithCustomStoresSuppliers() {
    final StreamsBuilder builder = new StreamsBuilder();
    final KStream<Integer, String> stream1;
    final KStream<Integer, String> stream2;
    stream1 = builder.stream("input-topic1");
    stream2 = builder.stream("input-topic2");
    final JoinWindows joinWindows = JoinWindows.ofTimeDifferenceWithNoGrace(ofMillis(100));
    final WindowBytesStoreSupplier thisStoreSupplier = Stores.inMemoryWindowStore("in-memory-join-store", Duration.ofMillis(joinWindows.size() + joinWindows.gracePeriodMs()), Duration.ofMillis(joinWindows.size()), true);
    final WindowBytesStoreSupplier otherStoreSupplier = Stores.inMemoryWindowStore("in-memory-join-store-other", Duration.ofMillis(joinWindows.size() + joinWindows.gracePeriodMs()), Duration.ofMillis(joinWindows.size()), true);
    stream1.outerJoin(stream2, MockValueJoiner.TOSTRING_JOINER, joinWindows, StreamJoined.with(Serdes.Integer(), Serdes.String(), Serdes.String()).withThisStoreSupplier(thisStoreSupplier).withOtherStoreSupplier(otherStoreSupplier));
    final TopologyDescription describe = builder.build().describe();
    assertEquals("Topologies:\n" + "   Sub-topology: 0\n" + "    Source: KSTREAM-SOURCE-0000000000 (topics: [input-topic1])\n" + "      --> KSTREAM-WINDOWED-0000000002\n" + "    Source: KSTREAM-SOURCE-0000000001 (topics: [input-topic2])\n" + "      --> KSTREAM-WINDOWED-0000000003\n" + "    Processor: KSTREAM-WINDOWED-0000000002 (stores: [in-memory-join-store])\n" + "      --> KSTREAM-OUTERTHIS-0000000004\n" + "      <-- KSTREAM-SOURCE-0000000000\n" + "    Processor: KSTREAM-WINDOWED-0000000003 (stores: [in-memory-join-store-other])\n" + "      --> KSTREAM-OUTEROTHER-0000000005\n" + "      <-- KSTREAM-SOURCE-0000000001\n" + "    Processor: KSTREAM-OUTEROTHER-0000000005 (stores: [in-memory-join-store-outer-shared-join-store, in-memory-join-store])\n" + "      --> KSTREAM-MERGE-0000000006\n" + "      <-- KSTREAM-WINDOWED-0000000003\n" + "    Processor: KSTREAM-OUTERTHIS-0000000004 (stores: [in-memory-join-store-other, in-memory-join-store-outer-shared-join-store])\n" + "      --> KSTREAM-MERGE-0000000006\n" + "      <-- KSTREAM-WINDOWED-0000000002\n" + "    Processor: KSTREAM-MERGE-0000000006 (stores: [])\n" + "      --> none\n" + "      <-- KSTREAM-OUTERTHIS-0000000004, KSTREAM-OUTEROTHER-0000000005\n\n", describe.toString());
}