com.yammer.metrics.core.TimerContext Maven / Gradle / Ivy
package com.yammer.metrics.core;
import java.util.concurrent.TimeUnit;
/**
* A timing context.
*
* @see Timer#time()
*/
public class TimerContext {
private final Timer timer;
private final long startTime;
/**
* Creates a new {@link TimerContext} with the current time as its starting value and with the
* given {@link Timer}.
*
* @param timer the {@link Timer} to report the elapsed time to
*/
TimerContext(Timer timer) {
this.timer = timer;
this.startTime = System.nanoTime();
}
/**
* Stops recording the elapsed time and updates the timer.
*/
public void stop() {
timer.update(System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
}
}