本文整理汇总了Java中org.apache.hadoop.mapreduce.v2.app.MRApp.getDispatcher方法的典型用法代码示例。如果您正苦于以下问题:Java MRApp.getDispatcher方法的具体用法?Java MRApp.getDispatcher怎么用?Java MRApp.getDispatcher使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.mapreduce.v2.app.MRApp
的用法示例。
在下文中一共展示了MRApp.getDispatcher方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testUnregistrationOnlyIfRegistered
import org.apache.hadoop.mapreduce.v2.app.MRApp; //导入方法依赖的package包/类
@Test
public void testUnregistrationOnlyIfRegistered() throws Exception {
Configuration conf = new Configuration();
final MyResourceManager rm = new MyResourceManager(conf);
rm.start();
DrainDispatcher rmDispatcher =
(DrainDispatcher) rm.getRMContext().getDispatcher();
// Submit the application
RMApp rmApp = rm.submitApp(1024);
rmDispatcher.await();
MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 11264);
amNodeManager.nodeHeartbeat(true);
rmDispatcher.await();
final ApplicationAttemptId appAttemptId =
rmApp.getCurrentAppAttempt().getAppAttemptId();
rm.sendAMLaunched(appAttemptId);
rmDispatcher.await();
MRApp mrApp =
new MRApp(appAttemptId, ContainerId.newContainerId(appAttemptId, 0), 10,
0, false, this.getClass().getName(), true, 1) {
@Override
protected Dispatcher createDispatcher() {
return new DrainDispatcher();
}
protected ContainerAllocator createContainerAllocator(
ClientService clientService, AppContext context) {
return new MyContainerAllocator(rm, appAttemptId, context);
};
};
mrApp.submit(conf);
DrainDispatcher amDispatcher = (DrainDispatcher) mrApp.getDispatcher();
MyContainerAllocator allocator =
(MyContainerAllocator) mrApp.getContainerAllocator();
amDispatcher.await();
Assert.assertTrue(allocator.isApplicationMasterRegistered());
mrApp.stop();
Assert.assertTrue(allocator.isUnregistered());
}