@Override
	public void reset(String name) {
		RichGauge gauge = getOrCreate(name);
		setRichGaugeValue(gauge, 0, -1D);
	}
Memory backed implementation of GaugeRepository that uses a ConcurrentMap

@author Luke Taylor
spring-xd-analytics/src/main/java/org/springframework/xd/analytics/metrics/memory/InMemoryRichGaugeRepository.java