com.netflix.servo.monitor.ContextualTimer Maven / Gradle / Ivy
/*
* Copyright 2011-2018 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 com.google.common.base.Function;
import com.netflix.servo.tag.TaggingContext;
import java.util.concurrent.TimeUnit;
/**
* Composite that maintains separate simple timers for each distinct set of tags returned by the
* tagging context.
*/
public class ContextualTimer extends AbstractContextualMonitor implements Timer {
/**
* Create a new instance of the timer.
*
* @param config shared configuration
* @param context provider for context specific tags
* @param newMonitor function to create new timers
*/
public ContextualTimer(
MonitorConfig config,
TaggingContext context,
Function newMonitor) {
super(config, context, newMonitor);
}
/**
* {@inheritDoc}
*/
@Override
public Stopwatch start() {
Stopwatch s = new TimedStopwatch(getMonitorForCurrentContext());
s.start();
return s;
}
/**
* {@inheritDoc}
*/
@Override
public TimeUnit getTimeUnit() {
return getMonitorForCurrentContext().getTimeUnit();
}
/**
* {@inheritDoc}
*/
@Override
@Deprecated
public void record(long duration) {
Timer monitor = getMonitorForCurrentContext();
monitor.record(duration, monitor.getTimeUnit());
}
/**
* {@inheritDoc}
*/
@Override
public void record(long duration, TimeUnit timeUnit) {
getMonitorForCurrentContext().record(duration, timeUnit);
}
/**
* {@inheritDoc}
*/
@Override
public Long getValue(int pollerIndex) {
return getMonitorForCurrentContext().getValue();
}
}