Package org.apache.twill.api

Examples of org.apache.twill.api.TwillController.discoverService()

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      }
    }, Threads.SAME_THREAD_EXECUTOR);

    Assert.assertTrue(running.await(30, TimeUnit.SECONDS));

    Iterable<Discoverable> echoServices = controller.discoverService("echo");
    Assert.assertTrue(YarnTestUtils.waitForSize(echoServices, 2, 60));

    for (Discoverable discoverable : echoServices) {
      String msg = "Hello: " + discoverable.getSocketAddress();
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    // Increase number of instances
    controller.changeInstances("EchoServer", 3);
    Assert.assertTrue(YarnTestUtils.waitForSize(echoServices, 3, 60));

    echoServices = controller.discoverService("echo2");

    // Decrease number of instances
    controller.changeInstances("EchoServer", 1);
    Assert.assertTrue(YarnTestUtils.waitForSize(echoServices, 1, 60));
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