language-java-0.2.9: tests/java/good/Gauge.java

// From the codahale metrics library: https://github.com/codahale/metrics
package com.codahale.metrics;


/**
 * A gauge metric is an instantaneous reading of a particular value. To instrument a queue's depth,
 * for example:<br>
 * <pre><code>
 * final Queue&lt;String&gt; queue = new ConcurrentLinkedQueue&lt;String&gt;();
 * final Gauge&lt;Integer&gt; queueDepth = new Gauge&lt;Integer&gt;() {
 *     public Integer getValue() {
 *         return queue.size();
 *     }
 * };
 * </code></pre>
 *
 * @param <T> the type of the metric's value
 */
public interface Gauge<T> extends Metric {
	/**
	 * Returns the metric's current value.
	 *
	 * @return the metric's current value
	 */
	T getValue();
}