MemoryImpl.java 文件源码

static void createNotification(String notifType,
                               String poolName,
                               MemoryUsage usage,
                               long count) {
    MemoryImpl mbean = (MemoryImpl) ManagementFactory.getMemoryMXBean();
    if (!mbean.hasListeners()) {
        // if no listener is registered.
        return;
    }
    long timestamp = System.currentTimeMillis();
    String msg = getNotifMsg(notifType);
    Notification notif = new Notification(notifType,
                                          mbean.getObjectName(),
                                          getNextSeqNumber(),
                                          timestamp,
                                          msg);
    MemoryNotificationInfo info =
        new MemoryNotificationInfo(poolName,
                                   usage,
                                   count);
    CompositeData cd =
        MemoryNotifInfoCompositeData.toCompositeData(info);
    notif.setUserData(cd);
    mbean.sendNotification(notif);
}