ModelControllerMBeanHelper.java 文件源码

/**  Set the mbean server on the QueryExp and try and pass back any previously set one */
private static MBeanServer setQueryExpServer(QueryExp query, MBeanServer toSet) {
    // We assume the QueryExp is a QueryEval subclass or uses the QueryEval thread local
    // mechanism to store any existing MBeanServer. If that's not the case we have no
    // way to access the old mbeanserver to let us restore it
    MBeanServer result = QueryEval.getMBeanServer();
    query.setMBeanServer(toSet);
    return result;
}