Here you can find the source of getActiveHelperInstanceCount(String helperName)
public static int getActiveHelperInstanceCount(String helperName)
//package com.java2s; /**// www. j ava 2s .co m * Helper???????????????????????????.<br> * * @author T.Okuyama * @license GPL(Lv3) */ import java.util.concurrent.ThreadPoolExecutor; import java.util.concurrent.ConcurrentHashMap; public class Main { private static ConcurrentHashMap executorServiceMap = new ConcurrentHashMap( 1024, 1000, 512); public static int getActiveHelperInstanceCount(String helperName) { return ((ThreadPoolExecutor) executorServiceMap.get(helperName)) .getActiveCount(); } }