本文整理汇总了Java中org.apache.hadoop.tracing.SetSpanReceiver类的典型用法代码示例。如果您正苦于以下问题：Java SetSpanReceiver类的具体用法？Java SetSpanReceiver怎么用？Java SetSpanReceiver使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
SetSpanReceiver类属于org.apache.hadoop.tracing包，在下文中一共展示了SetSpanReceiver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: testTracing
import org.apache.hadoop.tracing.SetSpanReceiver; //导入依赖的package包/类
@Test
public void testTracing() throws Throwable {
Configuration conf = new Configuration();
String prefix = "fs.shell.htrace.";
conf.set(prefix + Tracer.SPAN_RECEIVER_CLASSES_KEY,
SetSpanReceiver.class.getName());
conf.set(prefix + Tracer.SAMPLER_CLASSES_KEY,
AlwaysSampler.class.getName());
conf.setQuietMode(false);
FsShell shell = new FsShell(conf);
int res;
try {
res = ToolRunner.run(shell, new String[]{"-help", "ls", "cat"});
} finally {
shell.close();
}
SetSpanReceiver.assertSpanNamesFound(new String[]{"help"});
Assert.assertEquals("-help ls cat",
SetSpanReceiver.getMap()
.get("help").get(0).getKVAnnotations().get("args"));
}