MetricsDiffArray.h

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//
// MetricsDiffArray.h
//
// Created on July 18th 2018
//
// Copyright 2018 CFM (www.cfm.fr)
//
// 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.
//

#pragma once

#include "MetricsArray.h"


namespace MetroCollect {
    class MetricsDiffArray : public MetricsArray<DiffValueType> {
        protected:
            std::chrono::system_clock::time_point startTime_;       
            std::chrono::system_clock::time_point endTime_;         

        public:
            MetricsDiffArray() noexcept;

            explicit MetricsDiffArray(MetricsSource::SourceInterests sourceInterests) noexcept;


            const std::chrono::system_clock::time_point& startTime() const noexcept;


            const std::chrono::system_clock::time_point& endTime() const noexcept;


            void computeDiff(MetricsArray<DataValueType>& current, MetricsArray<DataValueType>& previous, double factor) noexcept;
    };
}