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Example 1 with OffsetManager

use of org.apache.samza.checkpoint.OffsetManager 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();
}
Also used : SystemStreamPartition(org.apache.samza.system.SystemStreamPartition) Partition(org.apache.samza.Partition) SystemConsumer(org.apache.samza.system.SystemConsumer) TaskInstance(org.apache.samza.container.TaskInstance) SystemConsumers(org.apache.samza.system.SystemConsumers) TestSystemConsumers(org.apache.samza.system.TestSystemConsumers) HashMap(java.util.HashMap) IncomingMessageEnvelope(org.apache.samza.system.IncomingMessageEnvelope) OffsetManager(org.apache.samza.checkpoint.OffsetManager) ArrayList(java.util.ArrayList) TaskName(org.apache.samza.container.TaskName) ArrayList(java.util.ArrayList) List(java.util.List) SystemStreamPartition(org.apache.samza.system.SystemStreamPartition) HashSet(java.util.HashSet)

Aggregations

ArrayList (java.util.ArrayList)1 HashMap (java.util.HashMap)1 HashSet (java.util.HashSet)1 List (java.util.List)1 Partition (org.apache.samza.Partition)1 OffsetManager (org.apache.samza.checkpoint.OffsetManager)1 TaskInstance (org.apache.samza.container.TaskInstance)1 TaskName (org.apache.samza.container.TaskName)1 IncomingMessageEnvelope (org.apache.samza.system.IncomingMessageEnvelope)1 SystemConsumer (org.apache.samza.system.SystemConsumer)1 SystemConsumers (org.apache.samza.system.SystemConsumers)1 SystemStreamPartition (org.apache.samza.system.SystemStreamPartition)1 TestSystemConsumers (org.apache.samza.system.TestSystemConsumers)1