Examples with NoOpTableReadFunction org.apache.samza.table.remote.NoOpTableReadFunction used on opensource projects

Example 6 with NoOpTableReadFunction

use of org.apache.samza.table.remote.NoOpTableReadFunction in project samza by apache.

the class TestRemoteTableEndToEnd method doTestStreamTableJoinRemoteTableWithFirstTimeUpdates.

private void doTestStreamTableJoinRemoteTableWithFirstTimeUpdates(String testName, boolean withDefaults, boolean failUpdatesAlways) throws IOException {
    final String profiles = Base64Serializer.serialize(generateProfiles(30));
    final RateLimiter readRateLimiter = mock(RateLimiter.class, withSettings().serializable());
    final TableRateLimiter.CreditFunction creditFunction = (k, v, args) -> 1;
    final StreamApplication app = appDesc -> {
        final RemoteTableDescriptor joinTableDesc = new RemoteTableDescriptor<Integer, TestTableData.Profile, Void>("profile-table-1").withReadFunction(InMemoryProfileReadFunction.getInMemoryReadFunction(profiles)).withRateLimiter(readRateLimiter, creditFunction, null);
        final RemoteTableDescriptor outputTableDesc = new RemoteTableDescriptor<Integer, EnrichedPageView, EnrichedPageView>("enriched-page-view-table-1").withReadFunction(new NoOpTableReadFunction<>()).withReadRateLimiterDisabled().withWriteFunction(new InMemoryEnrichedPageViewWriteFunction2(testName, failUpdatesAlways)).withWriteRateLimit(1000);
        // counters to count puts and updates
        COUNTERS.put(testName + "-put", new AtomicInteger());
        COUNTERS.put(testName + "-update", new AtomicInteger());
        final Table<KV<Integer, Profile>> outputTable = appDesc.getTable(outputTableDesc);
        final Table<KV<Integer, Profile>> joinTable = appDesc.getTable(joinTableDesc);
        final DelegatingSystemDescriptor ksd = new DelegatingSystemDescriptor("test");
        final GenericInputDescriptor<PageView> isd = ksd.getInputDescriptor("PageView", new NoOpSerde<>());
        if (withDefaults) {
            appDesc.getInputStream(isd).map(pv -> new KV<>(pv.getMemberId(), pv)).join(joinTable, new PageViewToProfileJoinFunction()).map(m -> new KV(m.getMemberId(), UpdateMessage.of(m, m))).sendTo(outputTable, UpdateOptions.UPDATE_WITH_DEFAULTS);
        } else {
            appDesc.getInputStream(isd).map(pv -> new KV<>(pv.getMemberId(), pv)).join(joinTable, new PageViewToProfileJoinFunction()).map(m -> new KV(m.getMemberId(), UpdateMessage.of(m))).sendTo(outputTable, UpdateOptions.UPDATE_ONLY);
        }
    };
    int numPageViews = 15;
    InMemorySystemDescriptor isd = new InMemorySystemDescriptor("test");
    InMemoryInputDescriptor<PageView> inputDescriptor = isd.getInputDescriptor("PageView", new NoOpSerde<>());
    Map<Integer, List<PageView>> integerListMap = TestTableData.generatePartitionedPageViews(numPageViews, 1);
    TestRunner.of(app).addInputStream(inputDescriptor, integerListMap).run(Duration.ofSeconds(10));
    if (withDefaults) {
        Assert.assertEquals(10, COUNTERS.get(testName + "-put").intValue());
        Assert.assertEquals(15, COUNTERS.get(testName + "-update").intValue());
    }
}