MXBeanIntrospector.java 文件源码

@Override
Descriptor getMBeanDescriptor(Class<?> resourceClass) {
    /* We already have immutableInfo=true in the Descriptor
     * included in the MBeanInfo for the MXBean interface.  This
     * method is being called for the MXBean *class* to add any
     * new items beyond those in the interface Descriptor, which
     * currently it does not.
     */
    return ImmutableDescriptor.EMPTY_DESCRIPTOR;
}