MetricsSourceAdapter.java 文件源码

@Override
public Object getAttribute(String attribute)
    throws AttributeNotFoundException, MBeanException, ReflectionException {
  updateJmxCache();
  synchronized(this) {
    Attribute a = attrCache.get(attribute);
    if (a == null) {
      throw new AttributeNotFoundException(attribute +" not found");
    }
    if (LOG.isDebugEnabled()) {
      LOG.debug(attribute +": "+ a);
    }
    return a.getValue();
  }
}