Java ResourceRequestEvent类代码示例

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
/**
 * For each of the requested resources for a container, determines the
 * appropriate {@link LocalResourcesTracker} and forwards a 
 * {@link LocalResourceRequest} to that tracker.
 */
private void handleInitContainerResources(
    ContainerLocalizationRequestEvent rsrcReqs) {
  Container c = rsrcReqs.getContainer();
  // create a loading cache for the file statuses
  LoadingCache<Path,Future<FileStatus>> statCache =
      CacheBuilder.newBuilder().build(FSDownload.createStatusCacheLoader(getConfig()));
  LocalizerContext ctxt = new LocalizerContext(
      c.getUser(), c.getContainerId(), c.getCredentials(), statCache);
  Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs =
    rsrcReqs.getRequestedResources();
  for (Map.Entry<LocalResourceVisibility, Collection<LocalResourceRequest>> e :
       rsrcs.entrySet()) {
    LocalResourcesTracker tracker =
        getLocalResourcesTracker(e.getKey(), c.getUser(),
            c.getContainerId().getApplicationAttemptId()
                .getApplicationId());
    for (LocalResourceRequest req : e.getValue()) {
      tracker.handle(new ResourceRequestEvent(req, e.getKey(), ctxt));
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
/**
 * For each of the requested resources for a container, determines the
 * appropriate {@link LocalResourcesTracker} and forwards a 
 * {@link LocalResourceRequest} to that tracker.
 */
private void handleInitContainerResources(
    ContainerLocalizationRequestEvent rsrcReqs) {
  Container c = rsrcReqs.getContainer();
  // create a loading cache for the file statuses
  LoadingCache<Path,Future<FileStatus>> statCache =
      CacheBuilder.newBuilder().build(FSDownload.createStatusCacheLoader(getConfig()));
  LocalizerContext ctxt = new LocalizerContext(
      c.getUser(), c.getContainerId(), c.getCredentials(), statCache);
  Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs =
    rsrcReqs.getRequestedResources();
  for (Map.Entry<LocalResourceVisibility, Collection<LocalResourceRequest>> e :
       rsrcs.entrySet()) {
    LocalResourcesTracker tracker =
        getLocalResourcesTracker(e.getKey(), c.getUser(),
            c.getContainerId().getApplicationAttemptId()
                .getApplicationId());
    for (LocalResourceRequest req : e.getValue()) {
      tracker.handle(new ResourceRequestEvent(req, e.getKey(), ctxt));
      if (LOG.isDebugEnabled()) {
        LOG.debug("Localizing " + req.getPath() +
            " for container " + c.getContainerId());
      }
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
/**
 * For each of the requested resources for a container, determines the
 * appropriate {@link LocalResourcesTracker} and forwards a 
 * {@link LocalResourceRequest} to that tracker.
 */
private void handleInitContainerResources(
    ContainerLocalizationRequestEvent rsrcReqs) {
  Container c = rsrcReqs.getContainer();
  LocalizerContext ctxt = new LocalizerContext(
      c.getUser(), c.getContainerId(), c.getCredentials());
  Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs =
    rsrcReqs.getRequestedResources();
  for (Map.Entry<LocalResourceVisibility, Collection<LocalResourceRequest>> e :
       rsrcs.entrySet()) {
    LocalResourcesTracker tracker =
        getLocalResourcesTracker(e.getKey(), c.getUser(),
            c.getContainerId().getApplicationAttemptId()
                .getApplicationId());
    for (LocalResourceRequest req : e.getValue()) {
      tracker.handle(new ResourceRequestEvent(req, e.getKey(), ctxt));
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
/**
 * For each of the requested resources for a container, determines the
 * appropriate {@link LocalResourcesTracker} and forwards a 
 * {@link LocalResourceRequest} to that tracker.
 */
private void handleInitContainerResources(
    ContainerLocalizationRequestEvent rsrcReqs) {
  Container c = rsrcReqs.getContainer();
  // create a loading cache for the file statuses
  LoadingCache<Path,Future<FileStatus>> statCache =
      CacheBuilder.newBuilder().build(FSDownload.createStatusCacheLoader(getConfig()));
  LocalizerContext ctxt = new LocalizerContext(
      c.getUser(), c.getContainerId(), c.getCredentials(), statCache, c.getUserFolder());
  Map<LocalResourceVisibility, Collection<LocalResourceRequest>> rsrcs =
    rsrcReqs.getRequestedResources();
  for (Map.Entry<LocalResourceVisibility, Collection<LocalResourceRequest>> e :
       rsrcs.entrySet()) {
    LocalResourcesTracker tracker =
        getLocalResourcesTracker(e.getKey(), c.getUser(),
            c.getContainerId().getApplicationAttemptId()
                .getApplicationId());
    for (LocalResourceRequest req : e.getValue()) {
      tracker.handle(new ResourceRequestEvent(req, e.getKey(), ctxt));
      if (LOG.isDebugEnabled()) {
        LOG.debug("Localizing " + req.getPath() +
            " for container " + c.getContainerId());
      }
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Override
public void transition(LocalizedResource rsrc, ResourceEvent event) {
  ResourceRequestEvent req = (ResourceRequestEvent) event;
  LocalizerContext ctxt = req.getContext();
  ContainerId container = ctxt.getContainerId();
  rsrc.ref.add(container);
  rsrc.dispatcher.getEventHandler().handle(
      new LocalizerResourceRequestEvent(rsrc, req.getVisibility(), ctxt, 
          req.getLocalResourceRequest().getPattern()));
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test(timeout=10000)
@SuppressWarnings("unchecked")
public void testConsistency() {
  String user = "testuser";
  DrainDispatcher dispatcher = null;
  try {
    Configuration conf = new Configuration();
    dispatcher = createDispatcher(conf);
    EventHandler<LocalizerEvent> localizerEventHandler = mock(EventHandler.class);
    EventHandler<LocalizerEvent> containerEventHandler = mock(EventHandler.class);
    dispatcher.register(LocalizerEventType.class, localizerEventHandler);
    dispatcher.register(ContainerEventType.class, containerEventHandler);

    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalizerContext lc1 = new LocalizerContext(user, cId1, null);
    LocalResourceRequest req1 = createLocalResourceRequest(user, 1, 1,
        LocalResourceVisibility.PUBLIC);
    LocalizedResource lr1 = createLocalizedResource(req1, dispatcher);
    ConcurrentMap<LocalResourceRequest, LocalizedResource> localrsrc = new ConcurrentHashMap<LocalResourceRequest, LocalizedResource>();
    localrsrc.put(req1, lr1);
    LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user,
        null, dispatcher, localrsrc, false, conf,
        new NMNullStateStoreService(), null);

    ResourceEvent req11Event = new ResourceRequestEvent(req1,
        LocalResourceVisibility.PUBLIC, lc1);

    ResourceEvent rel11Event = new ResourceReleaseEvent(req1, cId1);

    // Localize R1 for C1
    tracker.handle(req11Event);

    dispatcher.await();

    // Verify refCount for R1 is 1
    Assert.assertEquals(1, lr1.getRefCount());

    dispatcher.await();
    verifyTrackedResourceCount(tracker, 1);

    // Localize resource1
    ResourceLocalizedEvent rle = new ResourceLocalizedEvent(req1, new Path(
        "file:///tmp/r1"), 1);
    lr1.handle(rle);
    Assert.assertTrue(lr1.getState().equals(ResourceState.LOCALIZED));
    Assert.assertTrue(createdummylocalizefile(new Path("file:///tmp/r1")));
    LocalizedResource rsrcbefore = tracker.iterator().next();
    File resFile = new File(lr1.getLocalPath().toUri().getRawPath()
        .toString());
    Assert.assertTrue(resFile.exists());
    Assert.assertTrue(resFile.delete());

    // Localize R1 for C1
    tracker.handle(req11Event);

    dispatcher.await();
    lr1.handle(rle);
    Assert.assertTrue(lr1.getState().equals(ResourceState.LOCALIZED));
    LocalizedResource rsrcafter = tracker.iterator().next();
    if (rsrcbefore == rsrcafter) {
      Assert.fail("Localized resource should not be equal");
    }
    // Release resource1
    tracker.handle(rel11Event);
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testStateStoreSuccessfulLocalization() throws Exception {
  final String user = "someuser";
  final ApplicationId appId = ApplicationId.newInstance(1, 1);
  // This is a random path. NO File creation will take place at this place.
  final Path localDir = new Path("/tmp");
  Configuration conf = new YarnConfiguration();
  DrainDispatcher dispatcher = null;
  dispatcher = createDispatcher(conf);
  EventHandler<LocalizerEvent> localizerEventHandler =
      mock(EventHandler.class);
  EventHandler<LocalizerEvent> containerEventHandler =
      mock(EventHandler.class);
  dispatcher.register(LocalizerEventType.class, localizerEventHandler);
  dispatcher.register(ContainerEventType.class, containerEventHandler);
  DeletionService mockDelService = mock(DeletionService.class);
  NMStateStoreService stateStore = mock(NMStateStoreService.class);

  try {
    LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user,
        appId, dispatcher, false, conf, stateStore);
    // Container 1 needs lr1 resource
    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalResourceRequest lr1 = createLocalResourceRequest(user, 1, 1,
        LocalResourceVisibility.APPLICATION);
    LocalizerContext lc1 = new LocalizerContext(user, cId1, null);

    // Container 1 requests lr1 to be localized
    ResourceEvent reqEvent1 = new ResourceRequestEvent(lr1,
        LocalResourceVisibility.APPLICATION, lc1);
    tracker.handle(reqEvent1);
    dispatcher.await();

    // Simulate the process of localization of lr1
    Path hierarchicalPath1 = tracker.getPathForLocalization(lr1, localDir,
        null);

    ArgumentCaptor<LocalResourceProto> localResourceCaptor =
        ArgumentCaptor.forClass(LocalResourceProto.class);
    ArgumentCaptor<Path> pathCaptor = ArgumentCaptor.forClass(Path.class);
    verify(stateStore).startResourceLocalization(eq(user), eq(appId),
        localResourceCaptor.capture(), pathCaptor.capture());
    LocalResourceProto lrProto = localResourceCaptor.getValue();
    Path localizedPath1 = pathCaptor.getValue();
    Assert.assertEquals(lr1,
        new LocalResourceRequest(new LocalResourcePBImpl(lrProto)));
    Assert.assertEquals(hierarchicalPath1, localizedPath1.getParent());

    // Simulate lr1 getting localized
    ResourceLocalizedEvent rle1 =
        new ResourceLocalizedEvent(lr1, pathCaptor.getValue(), 120);
    tracker.handle(rle1);
    dispatcher.await();

    ArgumentCaptor<LocalizedResourceProto> localizedProtoCaptor =
        ArgumentCaptor.forClass(LocalizedResourceProto.class);
    verify(stateStore).finishResourceLocalization(eq(user), eq(appId),
        localizedProtoCaptor.capture());
    LocalizedResourceProto localizedProto = localizedProtoCaptor.getValue();
    Assert.assertEquals(lr1, new LocalResourceRequest(
        new LocalResourcePBImpl(localizedProto.getResource())));
    Assert.assertEquals(localizedPath1.toString(),
        localizedProto.getLocalPath());
    LocalizedResource localizedRsrc1 = tracker.getLocalizedResource(lr1);
    Assert.assertNotNull(localizedRsrc1);

    // simulate release and retention processing
    tracker.handle(new ResourceReleaseEvent(lr1, cId1));
    dispatcher.await();
    boolean removeResult = tracker.remove(localizedRsrc1, mockDelService);

    Assert.assertTrue(removeResult);
    verify(stateStore).removeLocalizedResource(eq(user), eq(appId),
        eq(localizedPath1));
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testStateStoreFailedLocalization() throws Exception {
  final String user = "someuser";
  final ApplicationId appId = ApplicationId.newInstance(1, 1);
  // This is a random path. NO File creation will take place at this place.
  final Path localDir = new Path("/tmp");
  Configuration conf = new YarnConfiguration();
  DrainDispatcher dispatcher = null;
  dispatcher = createDispatcher(conf);
  EventHandler<LocalizerEvent> localizerEventHandler =
      mock(EventHandler.class);
  EventHandler<LocalizerEvent> containerEventHandler =
      mock(EventHandler.class);
  dispatcher.register(LocalizerEventType.class, localizerEventHandler);
  dispatcher.register(ContainerEventType.class, containerEventHandler);
  NMStateStoreService stateStore = mock(NMStateStoreService.class);

  try {
    LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user,
        appId, dispatcher, false, conf, stateStore);
    // Container 1 needs lr1 resource
    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalResourceRequest lr1 = createLocalResourceRequest(user, 1, 1,
        LocalResourceVisibility.APPLICATION);
    LocalizerContext lc1 = new LocalizerContext(user, cId1, null);

    // Container 1 requests lr1 to be localized
    ResourceEvent reqEvent1 = new ResourceRequestEvent(lr1,
        LocalResourceVisibility.APPLICATION, lc1);
    tracker.handle(reqEvent1);
    dispatcher.await();

    // Simulate the process of localization of lr1
    Path hierarchicalPath1 = tracker.getPathForLocalization(lr1, localDir,
        null);

    ArgumentCaptor<LocalResourceProto> localResourceCaptor =
        ArgumentCaptor.forClass(LocalResourceProto.class);
    ArgumentCaptor<Path> pathCaptor = ArgumentCaptor.forClass(Path.class);
    verify(stateStore).startResourceLocalization(eq(user), eq(appId),
        localResourceCaptor.capture(), pathCaptor.capture());
    LocalResourceProto lrProto = localResourceCaptor.getValue();
    Path localizedPath1 = pathCaptor.getValue();
    Assert.assertEquals(lr1,
        new LocalResourceRequest(new LocalResourcePBImpl(lrProto)));
    Assert.assertEquals(hierarchicalPath1, localizedPath1.getParent());

    ResourceFailedLocalizationEvent rfe1 =
        new ResourceFailedLocalizationEvent(
            lr1, new Exception("Test").toString());
    tracker.handle(rfe1);
    dispatcher.await();
    verify(stateStore).removeLocalizedResource(eq(user), eq(appId),
        eq(localizedPath1));
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testRecoveredResource() throws Exception {
  final String user = "someuser";
  final ApplicationId appId = ApplicationId.newInstance(1, 1);
  // This is a random path. NO File creation will take place at this place.
  final Path localDir = new Path("/tmp/localdir");
  Configuration conf = new YarnConfiguration();
  DrainDispatcher dispatcher = null;
  dispatcher = createDispatcher(conf);
  EventHandler<LocalizerEvent> localizerEventHandler =
      mock(EventHandler.class);
  EventHandler<LocalizerEvent> containerEventHandler =
      mock(EventHandler.class);
  dispatcher.register(LocalizerEventType.class, localizerEventHandler);
  dispatcher.register(ContainerEventType.class, containerEventHandler);
  NMStateStoreService stateStore = mock(NMStateStoreService.class);

  try {
    LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user,
        appId, dispatcher, false, conf, stateStore);
    // Container 1 needs lr1 resource
    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalResourceRequest lr1 = createLocalResourceRequest(user, 1, 1,
        LocalResourceVisibility.APPLICATION);
    Assert.assertNull(tracker.getLocalizedResource(lr1));
    final long localizedId1 = 52;
    Path hierarchicalPath1 = new Path(localDir,
        Long.toString(localizedId1));
    Path localizedPath1 = new Path(hierarchicalPath1, "resource.jar");
    tracker.handle(new ResourceRecoveredEvent(lr1, localizedPath1, 120));
    dispatcher.await();
    Assert.assertNotNull(tracker.getLocalizedResource(lr1));

    // verify new paths reflect recovery of previous resources
    LocalResourceRequest lr2 = createLocalResourceRequest(user, 2, 2,
        LocalResourceVisibility.APPLICATION);
    LocalizerContext lc2 = new LocalizerContext(user, cId1, null);
    ResourceEvent reqEvent2 = new ResourceRequestEvent(lr2,
        LocalResourceVisibility.APPLICATION, lc2);
    tracker.handle(reqEvent2);
    dispatcher.await();
    Path hierarchicalPath2 = tracker.getPathForLocalization(lr2, localDir,
        null);
    long localizedId2 = Long.parseLong(hierarchicalPath2.getName());
    Assert.assertEquals(localizedId1 + 1, localizedId2);
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Test
public void testResourcePresentInGoodDir() throws IOException {
  String user = "testuser";
  DrainDispatcher dispatcher = null;
  try {
    Configuration conf = new Configuration();
    dispatcher = createDispatcher(conf);
    EventHandler<LocalizerEvent> localizerEventHandler =
        mock(EventHandler.class);
    EventHandler<LocalizerEvent> containerEventHandler =
        mock(EventHandler.class);
    dispatcher.register(LocalizerEventType.class, localizerEventHandler);
    dispatcher.register(ContainerEventType.class, containerEventHandler);

    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalizerContext lc1 = new LocalizerContext(user, cId1, null);
    LocalResourceRequest req1 =
        createLocalResourceRequest(user, 1, 1, LocalResourceVisibility.PUBLIC);
    LocalResourceRequest req2 =
        createLocalResourceRequest(user, 2, 1, LocalResourceVisibility.PUBLIC);
    LocalizedResource lr1 = createLocalizedResource(req1, dispatcher);
    LocalizedResource lr2 = createLocalizedResource(req2, dispatcher);
    ConcurrentMap<LocalResourceRequest, LocalizedResource> localrsrc =
        new ConcurrentHashMap<LocalResourceRequest, LocalizedResource>();
    localrsrc.put(req1, lr1);
    localrsrc.put(req2, lr2);
    LocalDirsHandlerService dirsHandler = mock(LocalDirsHandlerService.class);
    List<String> goodDirs = new ArrayList<String>();
    // /tmp/somedir2 is bad
    goodDirs.add("/tmp/somedir1/");
    goodDirs.add("/tmp/somedir2");
    Mockito.when(dirsHandler.getLocalDirs()).thenReturn(goodDirs);
    Mockito.when(dirsHandler.getLocalDirsForRead()).thenReturn(goodDirs);
    LocalResourcesTrackerImpl tracker =
        new LocalResourcesTrackerImpl(user, null, dispatcher, localrsrc,
            true , conf, new NMNullStateStoreService(), dirsHandler);
    ResourceEvent req11Event =
        new ResourceRequestEvent(req1, LocalResourceVisibility.PUBLIC, lc1);
    ResourceEvent req21Event =
        new ResourceRequestEvent(req2, LocalResourceVisibility.PUBLIC, lc1);
    // Localize R1 for C1
    tracker.handle(req11Event);
    // Localize R2 for C1
    tracker.handle(req21Event);
    dispatcher.await();
    // Localize resource1
    Path p1 = tracker.getPathForLocalization(req1,
        new Path("/tmp/somedir1"), null);
    Path p2 = tracker.getPathForLocalization(req2,
        new Path("/tmp/somedir2"), null);
    ResourceLocalizedEvent rle1 = new ResourceLocalizedEvent(req1, p1, 1);
    tracker.handle(rle1);
    ResourceLocalizedEvent rle2 = new ResourceLocalizedEvent(req2, p2, 1);
    tracker.handle(rle2);
    dispatcher.await();
    // Remove somedir2 from gooddirs
    Assert.assertTrue(tracker.checkLocalResource(lr2));
    goodDirs.remove(1);
    Assert.assertFalse(tracker.checkLocalResource(lr2));
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testReleaseWhileDownloading() throws Exception {
  String user = "testuser";
  DrainDispatcher dispatcher = null;
  try {
    Configuration conf = new Configuration();
    dispatcher = createDispatcher(conf);
    EventHandler<LocalizerEvent> localizerEventHandler =
        mock(EventHandler.class);
    EventHandler<LocalizerEvent> containerEventHandler =
        mock(EventHandler.class);
    dispatcher.register(LocalizerEventType.class, localizerEventHandler);
    dispatcher.register(ContainerEventType.class, containerEventHandler);

    ContainerId cId = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalizerContext lc = new LocalizerContext(user, cId, null);

    LocalResourceRequest req =
        createLocalResourceRequest(user, 1, 1, LocalResourceVisibility.PUBLIC);
    LocalizedResource lr = createLocalizedResource(req, dispatcher);
    ConcurrentMap<LocalResourceRequest, LocalizedResource> localrsrc =
        new ConcurrentHashMap<LocalResourceRequest, LocalizedResource>();
    localrsrc.put(req, lr);
    LocalResourcesTracker tracker =
        new LocalResourcesTrackerImpl(user, null, dispatcher, localrsrc,
            false, conf, new NMNullStateStoreService(), null);

    // request the resource
    ResourceEvent reqEvent =
        new ResourceRequestEvent(req, LocalResourceVisibility.PUBLIC, lc);
    tracker.handle(reqEvent);

    // release the resource
    ResourceEvent relEvent = new ResourceReleaseEvent(req, cId);
    tracker.handle(relEvent);

    // download completing after release
    ResourceLocalizedEvent rle =
        new ResourceLocalizedEvent(req, new Path("file:///tmp/r1"), 1);
    tracker.handle(rle);

    dispatcher.await();
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test(timeout=10000)
@SuppressWarnings("unchecked")
public void testConsistency() {
  String user = "testuser";
  DrainDispatcher dispatcher = null;
  try {
    Configuration conf = new Configuration();
    dispatcher = createDispatcher(conf);
    EventHandler<LocalizerEvent> localizerEventHandler = mock(EventHandler.class);
    EventHandler<LocalizerEvent> containerEventHandler = mock(EventHandler.class);
    dispatcher.register(LocalizerEventType.class, localizerEventHandler);
    dispatcher.register(ContainerEventType.class, containerEventHandler);

    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalizerContext lc1 = new LocalizerContext(user, cId1, null);
    LocalResourceRequest req1 = createLocalResourceRequest(user, 1, 1,
        LocalResourceVisibility.PUBLIC);
    LocalizedResource lr1 = createLocalizedResource(req1, dispatcher);
    ConcurrentMap<LocalResourceRequest, LocalizedResource> localrsrc = new ConcurrentHashMap<LocalResourceRequest, LocalizedResource>();
    localrsrc.put(req1, lr1);
    LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user,
        null, dispatcher, localrsrc, false, conf,
        new NMNullStateStoreService());

    ResourceEvent req11Event = new ResourceRequestEvent(req1,
        LocalResourceVisibility.PUBLIC, lc1);

    ResourceEvent rel11Event = new ResourceReleaseEvent(req1, cId1);

    // Localize R1 for C1
    tracker.handle(req11Event);

    dispatcher.await();

    // Verify refCount for R1 is 1
    Assert.assertEquals(1, lr1.getRefCount());

    dispatcher.await();
    verifyTrackedResourceCount(tracker, 1);

    // Localize resource1
    ResourceLocalizedEvent rle = new ResourceLocalizedEvent(req1, new Path(
        "file:///tmp/r1"), 1);
    lr1.handle(rle);
    Assert.assertTrue(lr1.getState().equals(ResourceState.LOCALIZED));
    Assert.assertTrue(createdummylocalizefile(new Path("file:///tmp/r1")));
    LocalizedResource rsrcbefore = tracker.iterator().next();
    File resFile = new File(lr1.getLocalPath().toUri().getRawPath()
        .toString());
    Assert.assertTrue(resFile.exists());
    Assert.assertTrue(resFile.delete());

    // Localize R1 for C1
    tracker.handle(req11Event);

    dispatcher.await();
    lr1.handle(rle);
    Assert.assertTrue(lr1.getState().equals(ResourceState.LOCALIZED));
    LocalizedResource rsrcafter = tracker.iterator().next();
    if (rsrcbefore == rsrcafter) {
      Assert.fail("Localized resource should not be equal");
    }
    // Release resource1
    tracker.handle(rel11Event);
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}
 

import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.event.ResourceRequestEvent; //导入依赖的package包/类
@Test
@SuppressWarnings("unchecked")
public void testStateStoreSuccessfulLocalization() throws Exception {
  final String user = "someuser";
  final ApplicationId appId = ApplicationId.newInstance(1, 1);
  // This is a random path. NO File creation will take place at this place.
  final Path localDir = new Path("/tmp");
  Configuration conf = new YarnConfiguration();
  DrainDispatcher dispatcher = null;
  dispatcher = createDispatcher(conf);
  EventHandler<LocalizerEvent> localizerEventHandler =
      mock(EventHandler.class);
  EventHandler<LocalizerEvent> containerEventHandler =
      mock(EventHandler.class);
  dispatcher.register(LocalizerEventType.class, localizerEventHandler);
  dispatcher.register(ContainerEventType.class, containerEventHandler);
  DeletionService mockDelService = mock(DeletionService.class);
  NMStateStoreService stateStore = mock(NMStateStoreService.class);

  try {
    LocalResourcesTracker tracker = new LocalResourcesTrackerImpl(user,
        appId, dispatcher, false, conf, stateStore);
    // Container 1 needs lr1 resource
    ContainerId cId1 = BuilderUtils.newContainerId(1, 1, 1, 1);
    LocalResourceRequest lr1 = createLocalResourceRequest(user, 1, 1,
        LocalResourceVisibility.APPLICATION);
    LocalizerContext lc1 = new LocalizerContext(user, cId1, null);

    // Container 1 requests lr1 to be localized
    ResourceEvent reqEvent1 = new ResourceRequestEvent(lr1,
        LocalResourceVisibility.APPLICATION, lc1);
    tracker.handle(reqEvent1);
    dispatcher.await();

    // Simulate the process of localization of lr1
    Path hierarchicalPath1 = tracker.getPathForLocalization(lr1, localDir);

    ArgumentCaptor<LocalResourceProto> localResourceCaptor =
        ArgumentCaptor.forClass(LocalResourceProto.class);
    ArgumentCaptor<Path> pathCaptor = ArgumentCaptor.forClass(Path.class);
    verify(stateStore).startResourceLocalization(eq(user), eq(appId),
        localResourceCaptor.capture(), pathCaptor.capture());
    LocalResourceProto lrProto = localResourceCaptor.getValue();
    Path localizedPath1 = pathCaptor.getValue();
    Assert.assertEquals(lr1,
        new LocalResourceRequest(new LocalResourcePBImpl(lrProto)));
    Assert.assertEquals(hierarchicalPath1, localizedPath1.getParent());

    // Simulate lr1 getting localized
    ResourceLocalizedEvent rle1 =
        new ResourceLocalizedEvent(lr1, pathCaptor.getValue(), 120);
    tracker.handle(rle1);
    dispatcher.await();

    ArgumentCaptor<LocalizedResourceProto> localizedProtoCaptor =
        ArgumentCaptor.forClass(LocalizedResourceProto.class);
    verify(stateStore).finishResourceLocalization(eq(user), eq(appId),
        localizedProtoCaptor.capture());
    LocalizedResourceProto localizedProto = localizedProtoCaptor.getValue();
    Assert.assertEquals(lr1, new LocalResourceRequest(
        new LocalResourcePBImpl(localizedProto.getResource())));
    Assert.assertEquals(localizedPath1.toString(),
        localizedProto.getLocalPath());
    LocalizedResource localizedRsrc1 = tracker.getLocalizedResource(lr1);
    Assert.assertNotNull(localizedRsrc1);

    // simulate release and retention processing
    tracker.handle(new ResourceReleaseEvent(lr1, cId1));
    dispatcher.await();
    boolean removeResult = tracker.remove(localizedRsrc1, mockDelService);

    Assert.assertTrue(removeResult);
    verify(stateStore).removeLocalizedResource(eq(user), eq(appId),
        eq(localizedPath1));
  } finally {
    if (dispatcher != null) {
      dispatcher.stop();
    }
  }
}