本文整理汇总了Java中org.apache.hadoop.mapreduce.counters.FrameworkCounterGroup类的典型用法代码示例。如果您正苦于以下问题：Java FrameworkCounterGroup类的具体用法？Java FrameworkCounterGroup怎么用？Java FrameworkCounterGroup使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
FrameworkCounterGroup类属于org.apache.hadoop.mapreduce.counters包，在下文中一共展示了FrameworkCounterGroup类的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: testFrameworkCounter
import org.apache.hadoop.mapreduce.counters.FrameworkCounterGroup; //导入依赖的package包/类
@SuppressWarnings("rawtypes")
@Test
public void testFrameworkCounter() {
GroupFactory groupFactory = new GroupFactoryForTest();
FrameworkGroupFactory frameworkGroupFactory =
groupFactory.newFrameworkGroupFactory(JobCounter.class);
Group group = (Group) frameworkGroupFactory.newGroup("JobCounter");
FrameworkCounterGroup counterGroup =
(FrameworkCounterGroup) group.getUnderlyingGroup();
org.apache.hadoop.mapreduce.Counter count1 =
counterGroup.findCounter(JobCounter.NUM_FAILED_MAPS.toString());
Assert.assertNotNull(count1);
// Verify no exception get thrown when finding an unknown counter
org.apache.hadoop.mapreduce.Counter count2 =
counterGroup.findCounter("Unknown");
Assert.assertNull(count2);
}