MXBeanLookup.java 文件源码

static MXBeanLookup lookupFor(MBeanServerConnection mbsc) {
    synchronized (mbscToLookup) {
        WeakReference<MXBeanLookup> weakLookup = mbscToLookup.get(mbsc);
        MXBeanLookup lookup = (weakLookup == null) ? null : weakLookup.get();
        if (lookup == null) {
            lookup = new MXBeanLookup(mbsc);
            mbscToLookup.put(mbsc, new WeakReference<MXBeanLookup>(lookup));
        }
        return lookup;
    }
}