Examples with SystemStreamPartition org.apache.samza.system.SystemStreamPartition used on opensource projects

Example 21 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TestMultiFileHdfsReader method testReconnect.

@Test
public void testReconnect() {
    SystemStreamPartition ssp = new SystemStreamPartition("hdfs", "testStream", new Partition(0));
    MultiFileHdfsReader multiReader = new MultiFileHdfsReader(HdfsReaderFactory.ReaderType.AVRO, ssp, Arrays.asList(descriptors), "0:0");
    // first read a few events, and then reconnect
    for (int i = 0; i < NUM_EVENTS / 2; i++) {
        multiReader.readNext();
    }
    IncomingMessageEnvelope envelope = multiReader.readNext();
    multiReader.reconnect();
    IncomingMessageEnvelope envelopeAfterReconnect = multiReader.readNext();
    Assert.assertEquals(envelope, envelopeAfterReconnect);
    multiReader.close();
}

Example 22 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TestMultiFileHdfsReader method testInvalidPartitionDescriptor.

@Test(expected = SamzaException.class)
public void testInvalidPartitionDescriptor() {
    SystemStreamPartition ssp = new SystemStreamPartition("hdfs", "testStream", new Partition(0));
    new MultiFileHdfsReader(HdfsReaderFactory.ReaderType.AVRO, ssp, new ArrayList<>(), "0:0");
    Assert.fail();
}

Example 23 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TestAsyncRunLoop method testEndOfStreamOffsetManagement.

// TODO: Add assertions.
//@Test
public void testEndOfStreamOffsetManagement() throws Exception {
    //explicitly configure to disable commits inside process or window calls and invoke commit from end of stream
    TestTask mockStreamTask1 = new TestTask(true, false, false, null);
    TestTask mockStreamTask2 = new TestTask(true, false, false, null);
    Partition p1 = new Partition(1);
    Partition p2 = new Partition(2);
    SystemStreamPartition ssp1 = new SystemStreamPartition("system1", "stream1", p1);
    SystemStreamPartition ssp2 = new SystemStreamPartition("system1", "stream2", p2);
    IncomingMessageEnvelope envelope1 = new IncomingMessageEnvelope(ssp2, "1", "key1", "message1");
    IncomingMessageEnvelope envelope2 = new IncomingMessageEnvelope(ssp2, "2", "key1", "message1");
    IncomingMessageEnvelope envelope3 = IncomingMessageEnvelope.buildEndOfStreamEnvelope(ssp2);
    Map<SystemStreamPartition, List<IncomingMessageEnvelope>> sspMap = new HashMap<>();
    List<IncomingMessageEnvelope> messageList = new ArrayList<>();
    messageList.add(envelope1);
    messageList.add(envelope2);
    messageList.add(envelope3);
    sspMap.put(ssp2, messageList);
    SystemConsumer mockConsumer = mock(SystemConsumer.class);
    when(mockConsumer.poll(anyObject(), anyLong())).thenReturn(sspMap);
    HashMap<String, SystemConsumer> systemConsumerMap = new HashMap<>();
    systemConsumerMap.put("system1", mockConsumer);
    SystemConsumers consumers = TestSystemConsumers.getSystemConsumers(systemConsumerMap);
    TaskName taskName1 = new TaskName("task1");
    TaskName taskName2 = new TaskName("task2");
    Set<TaskName> taskNames = new HashSet<>();
    taskNames.add(taskName1);
    taskNames.add(taskName2);
    OffsetManager offsetManager = mock(OffsetManager.class);
    when(offsetManager.getLastProcessedOffset(taskName1, ssp1)).thenReturn(Option.apply("3"));
    when(offsetManager.getLastProcessedOffset(taskName2, ssp2)).thenReturn(Option.apply("0"));
    when(offsetManager.getStartingOffset(taskName1, ssp1)).thenReturn(Option.apply(IncomingMessageEnvelope.END_OF_STREAM_OFFSET));
    when(offsetManager.getStartingOffset(taskName2, ssp2)).thenReturn(Option.apply("1"));
    TaskInstance taskInstance1 = createTaskInstance(mockStreamTask1, taskName1, ssp1, offsetManager, consumers);
    TaskInstance taskInstance2 = createTaskInstance(mockStreamTask2, taskName2, ssp2, offsetManager, consumers);
    Map<TaskName, TaskInstance> tasks = new HashMap<>();
    tasks.put(taskName1, taskInstance1);
    tasks.put(taskName2, taskInstance2);
    taskInstance1.registerConsumers();
    taskInstance2.registerConsumers();
    consumers.start();
    int maxMessagesInFlight = 1;
    AsyncRunLoop runLoop = new AsyncRunLoop(tasks, executor, consumers, maxMessagesInFlight, windowMs, commitMs, callbackTimeoutMs, maxThrottlingDelayMs, containerMetrics, () -> 0L, false);
    runLoop.run();
}

Example 24 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TestCoordinatorStreamSystemConsumer method testCoordinatorStreamSystemConsumer.

@Test
public void testCoordinatorStreamSystemConsumer() {
    Map<String, String> expectedConfig = new LinkedHashMap<String, String>();
    expectedConfig.put("job.id", "1234");
    SystemStream systemStream = new SystemStream("system", "stream");
    MockSystemConsumer systemConsumer = new MockSystemConsumer(new SystemStreamPartition(systemStream, new Partition(0)));
    CoordinatorStreamSystemConsumer consumer = new CoordinatorStreamSystemConsumer(systemStream, systemConsumer, new SinglePartitionWithoutOffsetsSystemAdmin());
    assertEquals(0, systemConsumer.getRegisterCount());
    consumer.register();
    assertEquals(1, systemConsumer.getRegisterCount());
    assertFalse(systemConsumer.isStarted());
    consumer.start();
    assertTrue(systemConsumer.isStarted());
    try {
        consumer.getConfig();
        fail("Should have failed when retrieving config before bootstrapping.");
    } catch (SamzaException e) {
    // Expected.
    }
    consumer.bootstrap();
    assertEquals(expectedConfig, consumer.getConfig());
    assertFalse(systemConsumer.isStopped());
    consumer.stop();
    assertTrue(systemConsumer.isStopped());
}

Example 25 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TestCoordinatorStreamSystemConsumer method testCoordinatorStreamSystemConsumerRegisterOnceOnly.

@Test
public void testCoordinatorStreamSystemConsumerRegisterOnceOnly() throws Exception {
    Map<String, String> expectedConfig = new LinkedHashMap<String, String>();
    expectedConfig.put("job.id", "1234");
    SystemStream systemStream = new SystemStream("system", "stream");
    MockSystemConsumer systemConsumer = new MockSystemConsumer(new SystemStreamPartition(systemStream, new Partition(0)));
    CoordinatorStreamSystemConsumer consumer = new CoordinatorStreamSystemConsumer(systemStream, systemConsumer, new SinglePartitionWithoutOffsetsSystemAdmin());
    assertEquals(0, systemConsumer.getRegisterCount());
    consumer.register();
    assertEquals(1, systemConsumer.getRegisterCount());
    assertFalse(systemConsumer.isStarted());
    consumer.start();
    assertTrue(systemConsumer.isStarted());
    consumer.register();
    assertEquals(1, systemConsumer.getRegisterCount());
}