Examples with RemoteTableDescriptor org.apache.samza.table.descriptors.RemoteTableDescriptor used on opensource projects

Example 6 with RemoteTableDescriptor

use of org.apache.samza.table.descriptors.RemoteTableDescriptor in project samza by apache.

the class TestRemoteTableDescriptor method testSpecifyBothRateAndRateLimiter.

@Test(expected = IllegalArgumentException.class)
public void testSpecifyBothRateAndRateLimiter() {
    RemoteTableDescriptor desc = new RemoteTableDescriptor("1");
    desc.withReadFunction(createMockTableReadFunction());
    desc.withReadRateLimit(100);
    desc.withRateLimiter(createMockRateLimiter(), null, null);
    desc.toConfig(new MapConfig());
}

Example 7 with RemoteTableDescriptor

use of org.apache.samza.table.descriptors.RemoteTableDescriptor in project samza by apache.

the class TestCouchbaseRemoteTableEndToEnd method testEndToEnd.

@Test
public void testEndToEnd() {
    Bucket inputBucket = cluster.openBucket(inputBucketName);
    inputBucket.upsert(ByteArrayDocument.create("Alice", "20".getBytes()));
    inputBucket.upsert(ByteArrayDocument.create("Bob", "30".getBytes()));
    inputBucket.upsert(ByteArrayDocument.create("Chris", "40".getBytes()));
    inputBucket.upsert(ByteArrayDocument.create("David", "50".getBytes()));
    inputBucket.close();
    List<String> users = Arrays.asList("Alice", "Bob", "Chris", "David");
    final StreamApplication app = appDesc -> {
        DelegatingSystemDescriptor inputSystemDescriptor = new DelegatingSystemDescriptor("test");
        GenericInputDescriptor<String> inputDescriptor = inputSystemDescriptor.getInputDescriptor("User", new NoOpSerde<>());
        CouchbaseTableReadFunction<String> readFunction = new CouchbaseTableReadFunction<>(inputBucketName, String.class, "couchbase://127.0.0.1").withBootstrapCarrierDirectPort(couchbaseMock.getCarrierPort(inputBucketName)).withBootstrapHttpDirectPort(couchbaseMock.getHttpPort()).withSerde(new StringSerde());
        CouchbaseTableWriteFunction<JsonObject> writeFunction = new CouchbaseTableWriteFunction<>(outputBucketName, JsonObject.class, "couchbase://127.0.0.1").withBootstrapCarrierDirectPort(couchbaseMock.getCarrierPort(outputBucketName)).withBootstrapHttpDirectPort(couchbaseMock.getHttpPort());
        RemoteTableDescriptor inputTableDesc = new RemoteTableDescriptor<String, String, Void>("input-table").withReadFunction(readFunction).withRateLimiterDisabled();
        Table<KV<String, String>> inputTable = appDesc.getTable(inputTableDesc);
        RemoteTableDescriptor outputTableDesc = new RemoteTableDescriptor<String, JsonObject, Object>("output-table").withReadFunction(new NoOpTableReadFunction<>()).withWriteFunction(writeFunction).withRateLimiterDisabled();
        Table<KV<String, JsonObject>> outputTable = appDesc.getTable(outputTableDesc);
        appDesc.getInputStream(inputDescriptor).map(k -> KV.of(k, k)).join(inputTable, new JoinFunction()).sendTo(outputTable);
    };
    InMemorySystemDescriptor isd = new InMemorySystemDescriptor("test");
    InMemoryInputDescriptor<TestTableData.PageView> inputDescriptor = isd.getInputDescriptor("User", new NoOpSerde<>());
    TestRunner.of(app).addInputStream(inputDescriptor, users).run(Duration.ofSeconds(10));
    Bucket outputBucket = cluster.openBucket(outputBucketName);
    Assert.assertEquals("{\"name\":\"Alice\",\"age\":\"20\"}", outputBucket.get("Alice").content().toString());
    Assert.assertEquals("{\"name\":\"Bob\",\"age\":\"30\"}", outputBucket.get("Bob").content().toString());
    Assert.assertEquals("{\"name\":\"Chris\",\"age\":\"40\"}", outputBucket.get("Chris").content().toString());
    Assert.assertEquals("{\"name\":\"David\",\"age\":\"50\"}", outputBucket.get("David").content().toString());
    outputBucket.close();
}

Example 8 with RemoteTableDescriptor

use of org.apache.samza.table.descriptors.RemoteTableDescriptor in project samza by apache.

the class TestRemoteTableWithBatchEndToEnd method doTestStreamTableJoinRemoteTable.

private void doTestStreamTableJoinRemoteTable(String testName, boolean batchRead, boolean batchWrite) throws Exception {
    final InMemoryWriteFunction writer = new InMemoryWriteFunction(testName);
    BATCH_READS.put(testName, new AtomicInteger());
    BATCH_WRITES.put(testName, new AtomicInteger());
    WRITTEN_RECORDS.put(testName, new HashMap<>());
    int count = 16;
    int batchSize = 4;
    String profiles = Base64Serializer.serialize(generateProfiles(count));
    final RateLimiter readRateLimiter = mock(RateLimiter.class, withSettings().serializable());
    final RateLimiter writeRateLimiter = mock(RateLimiter.class, withSettings().serializable());
    final TableRateLimiter.CreditFunction creditFunction = (k, v, args) -> 1;
    final StreamApplication app = appDesc -> {
        RemoteTableDescriptor<Integer, Profile, Void> inputTableDesc = new RemoteTableDescriptor<>("profile-table-1");
        inputTableDesc.withReadFunction(InMemoryReadFunction.getInMemoryReadFunction(testName, profiles)).withRateLimiter(readRateLimiter, creditFunction, null);
        if (batchRead) {
            inputTableDesc.withBatchProvider(new CompactBatchProvider().withMaxBatchSize(batchSize).withMaxBatchDelay(Duration.ofHours(1)));
        }
        // dummy reader
        TableReadFunction readFn = new MyReadFunction();
        RemoteTableDescriptor<Integer, EnrichedPageView, EnrichedPageView> outputTableDesc = new RemoteTableDescriptor<>("enriched-page-view-table-1");
        outputTableDesc.withReadFunction(readFn).withWriteFunction(writer).withRateLimiter(writeRateLimiter, creditFunction, creditFunction);
        if (batchWrite) {
            outputTableDesc.withBatchProvider(new CompactBatchProvider().withMaxBatchSize(batchSize).withMaxBatchDelay(Duration.ofHours(1)));
        }
        Table outputTable = appDesc.getTable(outputTableDesc);
        Table<KV<Integer, Profile>> inputTable = appDesc.getTable(inputTableDesc);
        DelegatingSystemDescriptor ksd = new DelegatingSystemDescriptor("test");
        GenericInputDescriptor<PageView> isd = ksd.getInputDescriptor("PageView", new NoOpSerde<>());
        appDesc.getInputStream(isd).map(pv -> new KV<>(pv.getMemberId(), pv)).join(inputTable, new PageViewToProfileJoinFunction()).map(m -> new KV<>(m.getMemberId(), m)).sendTo(outputTable);
    };
    InMemorySystemDescriptor isd = new InMemorySystemDescriptor("test");
    InMemoryInputDescriptor<PageView> inputDescriptor = isd.getInputDescriptor("PageView", new NoOpSerde<>());
    TestRunner.of(app).addInputStream(inputDescriptor, Arrays.asList(generatePageViewsWithDistinctKeys(count))).addConfig("task.max.concurrency", String.valueOf(count)).addConfig("task.async.commit", String.valueOf(true)).run(Duration.ofSeconds(10));
    Assert.assertEquals(count, WRITTEN_RECORDS.get(testName).size());
    Assert.assertNotNull(WRITTEN_RECORDS.get(testName).get(0));
    if (batchWrite) {
        Assert.assertEquals(count / batchSize, BATCH_WRITES.get(testName).get());
    }
}

Example 9 with RemoteTableDescriptor

use of org.apache.samza.table.descriptors.RemoteTableDescriptor in project samza by apache.

the class TestRemoteTableEndToEnd method testSendToUpdatesWithoutUpdateOptions.

// Test will fail as we use sendTo with KV<K, UpdateMessage> stream without UpdateOptions
@Test(expected = SamzaException.class)
public void testSendToUpdatesWithoutUpdateOptions() throws Exception {
    // max member id for page views is 10
    final String profiles = Base64Serializer.serialize(generateProfiles(10));
    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("testUpdateWithoutUpdateOptions", false)).withWriteRateLimit(1000);
        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<>());
        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);
    };
    int numPageViews = 40;
    InMemorySystemDescriptor isd = new InMemorySystemDescriptor("test");
    InMemoryInputDescriptor<PageView> inputDescriptor = isd.getInputDescriptor("PageView", new NoOpSerde<>());
    TestRunner.of(app).addInputStream(inputDescriptor, TestTableData.generatePartitionedPageViews(numPageViews, 4)).run(Duration.ofSeconds(10));
}

Example 10 with RemoteTableDescriptor

use of org.apache.samza.table.descriptors.RemoteTableDescriptor in project samza by apache.

the class TestRemoteTableEndToEnd method testSendToUpdatesFailureAfterPutDefault.

// Test fails with the following exception:
// org.apache.samza.SamzaException: Update after Put default failed with exception.
@Test(expected = SamzaException.class)
public void testSendToUpdatesFailureAfterPutDefault() throws Exception {
    // the test checks for failure when update after put default fails
    String testName = "testSendToUpdatesFailureAfterPutDefault";
    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, false, true)).withWriteRateLimit(1000);
        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<>());
        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);
    };
    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));
}