/* * Copyright 2018-present ScyllaDB */ /* * SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0 */ #pragma once #include namespace ser { template class serializer; }; class cache_temperature { float hit_rate; explicit cache_temperature(uint8_t hr) : hit_rate(hr/255.0f) {} public: uint8_t get_serialized_temperature() const { return hit_rate * 255; } cache_temperature() : hit_rate(0) {} explicit cache_temperature(float hr) : hit_rate(hr) {} explicit operator float() const { return hit_rate; } static cache_temperature invalid() { return cache_temperature(-1.0f); } friend struct ser::serializer; };