Here you can find the source of getQueryCounters()
public static Map<String, AtomicInteger> getQueryCounters()
//package com.java2s; //License from project: Open Source License import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.atomic.AtomicInteger; public class Main { private static Map<String, AtomicInteger> queryCounters = new ConcurrentHashMap<>(); public static Map<String, AtomicInteger> getQueryCounters() { return queryCounters; }/*from w ww .j a va 2 s .c o m*/ }