class CumulativeMetrics {

	std::atomic<counter> _cumulativeAggregatedValue;
	std::mutex _lock;
	std::list<SharedMetricsPtr> _instanceMetrics;
	
	SharedMetricsPtr createRegisteredSharedMetrics() {
		auto result = std::make_shared<SharedMetrics>();
		std::unique_lock guard(_lock);
		_instanceMetrics.push_back(result);
		return result;
	}
	
	void deregisterSharedMetrics(SharedMetricsPtr metrics) {
		std::unique_lock guard(_lock);
		_instanceMetrics.remove(metrics);
	}
}