com.netflix.servo.monitor.Stopwatch Maven / Gradle / Ivy
/**
* Copyright 2013 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.netflix.servo.monitor;
import java.util.concurrent.TimeUnit;
/**
* Measures the time taken for execution of some code.
*/
public interface Stopwatch {
/**
* Mark the start time.
*/
void start();
/**
* Mark the end time.
*/
void stop();
/**
* Reset the stopwatch so that it can be used again.
*/
void reset();
/**
* Returns the duration in the specified time unit.
*/
long getDuration(TimeUnit timeUnit);
/**
* Returns the duration in nanoseconds.
*/
long getDuration();
}