本文整理了Java中org.apache.hadoop.metrics2.lib.MetricsRegistry.setContext()方法的一些代码示例，展示了MetricsRegistry.setContext()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MetricsRegistry.setContext()方法的具体详情如下：
包路径：org.apache.hadoop.metrics2.lib.MetricsRegistry
类名称：MetricsRegistry
方法名：setContext

MetricsRegistry.setContext介绍

[英]Set the metrics context tag
[中]设置度量上下文标记

代码示例

代码示例来源：origin: org.apache.hadoop/hadoop-common

private MetricsRegistry initRegistry(Object source) {
 Class<?> cls = source.getClass();
 MetricsRegistry r = null;
 // Get the registry if it already exists.
 for (Field field : ReflectionUtils.getDeclaredFieldsIncludingInherited(cls)) {
  if (field.getType() != MetricsRegistry.class) continue;
  try {
   field.setAccessible(true);
   r = (MetricsRegistry) field.get(source);
   hasRegistry = r != null;
   break;
  } catch (Exception e) {
   LOG.warn("Error accessing field "+ field, e);
   continue;
  }
 }
 // Create a new registry according to annotation
 for (Annotation annotation : cls.getAnnotations()) {
  if (annotation instanceof Metrics) {
   Metrics ma = (Metrics) annotation;
   info = factory.getInfo(cls, ma);
   if (r == null) {
    r = new MetricsRegistry(info);
   }
   r.setContext(ma.context());
  }
 }
 if (r == null) return new MetricsRegistry(cls.getSimpleName());
 return r;
}

代码示例来源：origin: io.hops/hadoop-common

r = new MetricsRegistry(info);
r.setContext(ma.context());

代码示例来源：origin: com.github.jiayuhan-it/hadoop-common

r = new MetricsRegistry(info);
r.setContext(ma.context());

代码示例来源：origin: ch.cern.hadoop/hadoop-common

r = new MetricsRegistry(info);
r.setContext(ma.context());

代码示例来源：origin: io.prestosql.hadoop/hadoop-apache

r = new MetricsRegistry(info);
r.setContext(ma.context());