Examples with NotificationEmitter javax.management.NotificationEmitter used on opensource projects

Example 16 with NotificationEmitter

use of javax.management.NotificationEmitter in project Lucee by lucee.

the class MemoryControler method init.

public static synchronized void init(ConfigServer cs) {
    if (init)
        return;
    // set level
    for (MemoryPoolMXBean pool : ManagementFactory.getMemoryPoolMXBeans()) {
        types.put(pool.getName(), pool.getType());
        // we should rather check for the pool name "Tenured Gen"?
        if (pool.getType() == MemoryType.HEAP && pool.isUsageThresholdSupported()) {
            long maxMemory = pool.getUsage().getMax();
            long warningThreshold = (long) (maxMemory * 0.9);
            // long warningThreshold = maxMemory -(10*1024*1024);
            pool.setUsageThreshold(warningThreshold);
        }
    }
    MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
    NotificationEmitter emitter = (NotificationEmitter) mbean;
    MemoryNotificationListener listener = new MemoryNotificationListener(types);
    emitter.addNotificationListener(listener, null, cs);
    init = true;
}