org.infinispan.commons.stat.TimeGaugeMetricInfo Maven / Gradle / Ivy
package org.infinispan.commons.stat;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import java.util.function.Supplier;
/**
* Same as {@link GaugeMetricInfo} but the tracked value is a time or duration.
*
* @since 15.0
*/
public final class TimeGaugeMetricInfo extends BaseMetricInfo {
private final Function function;
private final TimeUnit timeUnit;
public TimeGaugeMetricInfo(String name, String description, Map map, Function function, TimeUnit timeUnit) {
super(name, description, map);
this.function = Objects.requireNonNull(function);
this.timeUnit = Objects.requireNonNull(timeUnit);
}
/**
* @return The {@link Supplier} to invoke to return the current value of the metric.
*/
public Supplier getGauge(T instance) {
return () -> function.apply(instance);
}
/**
* @return The {@link TimeUnit} of the tracked value.
*/
public TimeUnit getTimeUnit() {
return timeUnit;
}
}