MBeanUtil.java 文件源码

/**
 * Register the MBean using our standard MBeanName format
 * "hadoop:service=<serviceName>,name=<nameName>"
 * Where the <serviceName> and <nameName> are the supplied parameters
 *    
 * @param serviceName
 * @param nameName
 * @param theMbean - the MBean to register
 * @return the named used to register the MBean
 */ 
static public ObjectName registerMBean(final String serviceName, 
                            final String nameName,
                            final Object theMbean) {
  final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
  ObjectName name = getMBeanName(serviceName, nameName);
  try {
    mbs.registerMBean(theMbean, name);
    return name;
  } catch (InstanceAlreadyExistsException ie) {
    // Ignore if instance already exists 
  } catch (Exception e) {
    e.printStackTrace();
  }
  return null;
}