Examples with AsyncStreamTaskFactory org.apache.samza.task.AsyncStreamTaskFactory used on opensource projects

Example 1 with AsyncStreamTaskFactory

use of org.apache.samza.task.AsyncStreamTaskFactory in project samza by apache.

the class TestStreamProcessor method testStreamProcessorWithAsyncStreamTaskFactory.

/**
   * Should be able to create task instances from the provided task factory.
   */
@Test
public void testStreamProcessorWithAsyncStreamTaskFactory() {
    final String testSystem = "test-system";
    final String inputTopic = "numbers3";
    final String outputTopic = "output3";
    final int messageCount = 20;
    final Config configs = new MapConfig(createConfigs("1", testSystem, inputTopic, outputTopic, messageCount));
    final ExecutorService executorService = Executors.newSingleThreadExecutor();
    createTopics(inputTopic, outputTopic);
    final AsyncStreamTaskFactory stf = () -> new AsyncStreamTaskAdapter(new IdentityStreamTask(), executorService);
    final StreamProcessor processor = new StreamProcessor(configs, new HashMap<>(), stf, listener);
    produceMessages(inputTopic, messageCount);
    run(processor, endLatch);
    verifyNumMessages(outputTopic, messageCount);
    executorService.shutdownNow();
}