@Override
public Map<String, String> handleProbe(String... keys) {
if (keys == null || keys.length == 0) {
return null;
}
ThreadPoolExecutor exec = extract(executor);
if (exec == null) {
return null;
}
Map<String, String> map = new HashMap<>();
for (String key : keys) {
switch (key) {
case KEY:
map.put("active-thread", String.valueOf(exec.getActiveCount()));
map.put("min-thread", String.valueOf(exec.getCorePoolSize()));
map.put("max-thread", String.valueOf(exec.getMaximumPoolSize()));
map.put("current-pool-size", String.valueOf(exec.getPoolSize()));
map.put("largest-pool-size", String.valueOf(exec.getLargestPoolSize()));
map.put("keep-alive", String.valueOf(exec.getKeepAliveTime(TimeUnit.MILLISECONDS)));
map.put("queue-size", String.valueOf(exec.getQueue().size()));
break;
}
}
return map.isEmpty() ? null : map;
}
public long getKeepAliveTime() {
return pool.getKeepAliveTime(TimeUnit.MILLISECONDS);
}