com.netflix.servo.monitor.ContextualCounter 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;
/**
* Composite that maintains separate simple counters for each distinct set of tags returned by the
* tagging context.
*/
public class ContextualCounter extends AbstractContextualMonitor
implements Counter {
/**
* Create a new instance of the counter.
*
* @param config shared configuration
* @param context provider for context specific tags
* @param newMonitor function to create new counters
*/
public ContextualCounter(
MonitorConfig config,
TaggingContext context,
Function newMonitor) {
super(config, context, newMonitor);
}
/**
* {@inheritDoc}
*/
@Override
public void increment() {
getMonitorForCurrentContext().increment();
}
/**
* {@inheritDoc}
*/
@Override
public void increment(long amount) {
getMonitorForCurrentContext().increment(amount);
}
/**
* {@inheritDoc}
*/
@Override
public Number getValue(int pollerIndex) {
return getMonitorForCurrentContext().getValue(pollerIndex);
}
}