/*
* Copyright (c) 2012, Niclas Hedhman. All Rights Reserved.
*
* 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 org.qi4j.api.metrics;
/**
* A meter metric which measures mean throughput and one-, five-, and fifteen-minute
* exponentially-weighted moving average throughputs.
*
* @see <a href="http://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average">EMA</a>
*/
public interface MetricsMeter extends Metric
{
void mark();
/**
* Mark the occurrence of a given number of events.
*
* @param numberOfEvents the number of events
*/
void mark( int numberOfEvents );
}