org.apache.curator.TimeTrace Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.curator;
import org.apache.curator.drivers.TracerDriver;
import java.util.concurrent.TimeUnit;
/**
* Utility to time a method or portion of code
*/
public class TimeTrace
{
private final String name;
private final TracerDriver driver;
private final long startTimeNanos = System.nanoTime();
/**
* Create and start a timer
*
* @param name name of the event
* @param driver driver
*/
public TimeTrace(String name, TracerDriver driver)
{
this.name = name;
this.driver = driver;
}
/**
* Record the elapsed time
*/
public void commit()
{
long elapsed = System.nanoTime() - startTimeNanos;
driver.addTrace(name, elapsed, TimeUnit.NANOSECONDS);
}
}