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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <cstddef>
namespace search::bmcluster {
/*
* Class used to calculate average feed rate.
*/
class AvgSampler {
private:
uint64_t _ops;
double _elapsed;
public:
AvgSampler() : _ops(0), _elapsed(0.0) {}
void sample(uint64_t ops, double elapsed) {
_ops += ops;
_elapsed += elapsed;
}
double avg() const { return valid() ? (_ops / _elapsed) : 0.0; }
bool valid() const { return _elapsed != 0.0; }
};
}
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