MetricsDynamicMBeanBase.java 文件源码

@Override
public AttributeList getAttributes(String[] attributeNames) {
  if (attributeNames == null || attributeNames.length == 0) 
    throw new IllegalArgumentException();

  updateMbeanInfoIfMetricsListChanged();

  AttributeList result = new AttributeList(attributeNames.length);
  for (String iAttributeName : attributeNames) {
    try {
      Object value = getAttribute(iAttributeName);
      result.add(new Attribute(iAttributeName, value));
    } catch (Exception e) {
      continue;
    } 
  }
  return result;
}