com.pdd.pop.ext.codahale.metrics.Gauge Maven / Gradle / Ivy
package com.pdd.pop.ext.codahale.metrics;
/**
* A gauge metric is an instantaneous reading of a particular value. To instrument a queue's depth,
* for example:
*
* final Queue<String> queue = new ConcurrentLinkedQueue<String>();
* final Gauge<Integer> queueDepth = new Gauge<Integer>() {
* public Integer getValue() {
* return queue.size();
* }
* };
*
*
* @param the type of the metric's value
*/
public interface Gauge extends Metric {
/**
* Returns the metric's current value.
*
* @return the metric's current value
*/
T getValue();
}