Examples of org.apache.hadoop.service.CompositeService$CompositeServiceShutdownHook

org.apache.hadoop.service.CompositeService
JVM Shutdown hook for CompositeService which will stop the give CompositeService gracefully in case of JVM shutdown.

    assertInState(STATE.INITED, child);
  }


  @Test (timeout = 1000)
  public void testAddIfService() {
    CompositeService testService = new CompositeService("TestService") {
      Service service;
      @Override
      public void serviceInit(Configuration conf) {
        Integer notAService = new Integer(0);
        assertFalse("Added an integer as a service",
            addIfService(notAService));


        service = new AbstractService("Service") {};
        assertTrue("Unable to add a service", addIfService(service));
      }
    };


    testService.init(new Configuration());
    assertEquals("Incorrect number of services",
        1, testService.getServices().size());
  }

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    assertInState(STATE.INITED, child);
  }


  @Test (timeout = 1000)
  public void testAddIfService() {
    CompositeService testService = new CompositeService("TestService") {
      Service service;
      @Override
      public void serviceInit(Configuration conf) {
        Integer notAService = new Integer(0);
        assertFalse("Added an integer as a service",
            addIfService(notAService));


        service = new AbstractService("Service") {};
        assertTrue("Unable to add a service", addIfService(service));
      }
    };


    testService.init(new Configuration());
    assertEquals("Incorrect number of services",
        1, testService.getServices().size());
  }

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        1, testService.getServices().size());
  }


  @Test
  public void testRemoveService() {
    CompositeService testService = new CompositeService("TestService") {
      @Override
      public void serviceInit(Configuration conf) {
        Integer notAService = new Integer(0);
        assertFalse("Added an integer as a service",
            addIfService(notAService));


        Service service1 = new AbstractService("Service1") {};
        addIfService(service1);


        Service service2 = new AbstractService("Service2") {};
        addIfService(service2);


        Service service3 = new AbstractService("Service3") {};
        addIfService(service3);


        removeService(service1);
      }
    };


    testService.init(new Configuration());
    assertEquals("Incorrect number of services",
        2, testService.getServices().size());
  }

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Related Classes of org.apache.hadoop.service.CompositeService$CompositeServiceShutdownHook

org.apache.hadoop.yarn.util.TestCompositeService

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