Java Code Examples for org.apache.hadoop.service.ServiceOperations#stopQuietly()

The following examples show how to use org.apache.hadoop.service.ServiceOperations#stopQuietly() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testQueueParsingWhenLabelsNotExist() throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 2
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
@Test
public void testQueueParsingWithLabels() throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet.of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  checkQueueLabels(capacityScheduler);
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 3
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testQueueParsingWithLabelsInherit() throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet.of("red", "blue"));

  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabelsInherit(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  checkQueueLabelsInheritConfig(capacityScheduler);
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 4
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
@Test
public void testQueueParsingWhenLabelsNotExist() throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 5
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
/**
 * Test init a queue configuration, children's capacity for a given label
 * doesn't equals to 100%. This expect IllegalArgumentException thrown.
 */
@Test(expected = IllegalArgumentException.class)
public void testQueueParsingFailWhenSumOfChildrenNonLabeledCapacityNot100Percent()
    throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet
      .of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfiguration(csConf);
  csConf.setCapacity(CapacitySchedulerConfiguration.ROOT + ".c.c2", 5);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 6
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testQueueParsingWithLabels() throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet.of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  checkQueueLabels(capacityScheduler);
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 7
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Test init a queue configuration, children's capacity for a given label
 * doesn't equals to 100%. This expect IllegalArgumentException thrown.
 */
@Test(expected = IllegalArgumentException.class)
public void testQueueParsingWithSumOfChildLabelCapacityNot100PercentWithWildCard()
    throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet
      .of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);
  csConf.setCapacityByLabel(CapacitySchedulerConfiguration.ROOT + ".b.b3",
      "red", 24);
  csConf.setAccessibleNodeLabels(CapacitySchedulerConfiguration.ROOT,
      ImmutableSet.of(RMNodeLabelsManager.ANY));
  csConf.setAccessibleNodeLabels(CapacitySchedulerConfiguration.ROOT + ".b",
      ImmutableSet.of(RMNodeLabelsManager.ANY));

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 8
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testSingleLevelQueueParsingWhenLabelsNotExistedInNodeLabelManager()
    throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithSingleLevel(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 9
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testQueueParsingWhenLabelsInheritedNotExistedInNodeLabelManager()
    throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabelsInherit(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 10
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testQueueParsingWhenLabelsNotExistedInNodeLabelManager()
    throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 11
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test (expected=java.lang.IllegalArgumentException.class)
public void testRootQueueParsing() throws Exception {
  CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();

  // non-100 percent value will throw IllegalArgumentException
  conf.setCapacity(CapacitySchedulerConfiguration.ROOT, 90);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  capacityScheduler.setConf(new YarnConfiguration());
  capacityScheduler.init(conf);
  capacityScheduler.start();
  capacityScheduler.reinitialize(conf, null);
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 12
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testQueueParsing() throws Exception {
  CapacitySchedulerConfiguration csConf = 
    new CapacitySchedulerConfiguration();
  setupQueueConfiguration(csConf);
  YarnConfiguration conf = new YarnConfiguration(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  capacityScheduler.setConf(conf);
  capacityScheduler.setRMContext(TestUtils.getMockRMContext());
  capacityScheduler.init(conf);
  capacityScheduler.start();
  capacityScheduler.reinitialize(conf, TestUtils.getMockRMContext());
  
  CSQueue a = capacityScheduler.getQueue("a");
  Assert.assertEquals(0.10, a.getAbsoluteCapacity(), DELTA);
  Assert.assertEquals(0.15, a.getAbsoluteMaximumCapacity(), DELTA);
  
  CSQueue b1 = capacityScheduler.getQueue("b1");
  Assert.assertEquals(0.2 * 0.5, b1.getAbsoluteCapacity(), DELTA);
  Assert.assertEquals("Parent B has no MAX_CAP", 
      0.85, b1.getAbsoluteMaximumCapacity(), DELTA);
  
  CSQueue c12 = capacityScheduler.getQueue("c12");
  Assert.assertEquals(0.7 * 0.5 * 0.45, c12.getAbsoluteCapacity(), DELTA);
  Assert.assertEquals(0.7 * 0.55 * 0.7, 
      c12.getAbsoluteMaximumCapacity(), DELTA);
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 13
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Test init a queue configuration, children's capacity for a given label
 * doesn't equals to 100%. This expect IllegalArgumentException thrown.
 */
@Test(expected = IllegalArgumentException.class)
public void testQueueParsingFailWhenSumOfChildrenLabeledCapacityNot100Percent()
    throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet
      .of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);
  csConf.setCapacityByLabel(CapacitySchedulerConfiguration.ROOT + ".b.b3",
      "red", 24);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 14
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Test init a queue configuration, children's capacity for a given label
 * doesn't equals to 100%. This expect IllegalArgumentException thrown.
 */
@Test(expected = IllegalArgumentException.class)
public void testQueueParsingFailWhenSumOfChildrenLabeledCapacityNot100Percent()
    throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet
      .of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);
  csConf.setCapacityByLabel(CapacitySchedulerConfiguration.ROOT + ".b.b3",
      "red", 24);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 15
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
@Test
public void testSingleLevelQueueParsingWhenLabelsNotExistedInNodeLabelManager()
    throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithSingleLevel(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 16
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
@Test
public void testQueueParsingWhenLabelsInheritedNotExistedInNodeLabelManager()
    throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabelsInherit(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 17
Source File: TestQueueParsing.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
@Test
public void testQueueParsingWhenLabelsNotExistedInNodeLabelManager()
    throws IOException {
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  
  RMNodeLabelsManager nodeLabelsManager = new NullRMNodeLabelsManager();
  nodeLabelsManager.init(conf);
  nodeLabelsManager.start();
  
  rmContext.setNodeLabelManager(nodeLabelsManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
  ServiceOperations.stopQuietly(nodeLabelsManager);
}
Example 18
Source File: TestQueueParsing.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Test init a queue configuration, children's capacity for a given label
 * doesn't equals to 100%. This expect IllegalArgumentException thrown.
 */
@Test(expected = IllegalArgumentException.class)
public void testQueueParsingWithSumOfChildLabelCapacityNot100PercentWithWildCard()
    throws IOException {
  nodeLabelManager.addToCluserNodeLabels(ImmutableSet
      .of("red", "blue"));
  
  YarnConfiguration conf = new YarnConfiguration();
  CapacitySchedulerConfiguration csConf =
      new CapacitySchedulerConfiguration(conf);
  setupQueueConfigurationWithLabels(csConf);
  csConf.setCapacityByLabel(CapacitySchedulerConfiguration.ROOT + ".b.b3",
      "red", 24);
  csConf.setAccessibleNodeLabels(CapacitySchedulerConfiguration.ROOT,
      ImmutableSet.of(RMNodeLabelsManager.ANY));
  csConf.setAccessibleNodeLabels(CapacitySchedulerConfiguration.ROOT + ".b",
      ImmutableSet.of(RMNodeLabelsManager.ANY));

  CapacityScheduler capacityScheduler = new CapacityScheduler();
  RMContextImpl rmContext =
      new RMContextImpl(null, null, null, null, null, null,
          new RMContainerTokenSecretManager(csConf),
          new NMTokenSecretManagerInRM(csConf),
          new ClientToAMTokenSecretManagerInRM(), null);
  rmContext.setNodeLabelManager(nodeLabelManager);
  capacityScheduler.setConf(csConf);
  capacityScheduler.setRMContext(rmContext);
  capacityScheduler.init(csConf);
  capacityScheduler.start();
  ServiceOperations.stopQuietly(capacityScheduler);
}
Example 19
Source File: RegistryCli.java    From hadoop with Apache License 2.0 2 votes vote down vote up 
/**
 * Close the object by stopping the registry.
 * <p>
 * <i>Important:</i>
 * <p>
 *   After this call is made, no operations may be made of this
 *   object, <i>or of a YARN registry instance used when constructing
 *   this object. </i>
 * @throws IOException
 */
@Override
public void close() throws IOException {
  ServiceOperations.stopQuietly(registry);
  registry = null;
}
Example 20
Source File: RegistryCli.java    From big-c with Apache License 2.0 2 votes vote down vote up 
/**
 * Close the object by stopping the registry.
 * <p>
 * <i>Important:</i>
 * <p>
 *   After this call is made, no operations may be made of this
 *   object, <i>or of a YARN registry instance used when constructing
 *   this object. </i>
 * @throws IOException
 */
@Override
public void close() throws IOException {
  ServiceOperations.stopQuietly(registry);
  registry = null;
}