/*
* Copyright 2016 Naver Corp.
*
* 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.navercorp.pinpoint.web.vo.stat.chart;
import java.util.Collection;
/**
* @author harebox
* @author HyunGil Jeong
*/
public interface DownSampler<T extends Number> {
T getDefaultValue();
T sampleMin(Collection<T> values);
double sampleAvg(Collection<T> values);
double sampleAvg(Collection<T> values, int numDecimals);
T sampleMax(Collection<T> values);
T sampleSum(Collection<T> values);
}