////  Created by Ryan Huffman on 2016-12-14//  Copyright 2013-2016 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "StatTracker.h" StatTracker::StatTracker() {    } QVariant StatTracker::getStat(const QString& name) {    std::lock_guard<std::mutex> lock(_statsLock);    return QVariant::fromValue<int64_t>(_stats[name]);} void StatTracker::setStat(const QString& name, int64_t value) {    Lock lock(_statsLock);    _stats[name] = value;} void StatTracker::updateStat(const QString& name, int64_t value) {    Lock lock(_statsLock);    auto itr = _stats.find(name);    if (_stats.end() == itr) {        _stats[name] = value;    } else {        *itr = *itr + value;    }} void StatTracker::incrementStat(const QString& name) {    updateStat(name, 1);} void StatTracker::decrementStat(const QString& name) {    updateStat(name, -1);}