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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/util/time.h>
namespace vespalib {
class asciistream;
}
namespace storage::framework {
/**
* \class storage::framework::MicroSecTime
* \ingroup clock
*
* \brief Wrapper class for a timestamp in seconds.
*
* To prevent errors where one passes time in one granularity to a function
* requiring time in another granularity. This little wrapper class exist to
* make sure that will conflict in types
*/
class MicroSecTime
{
public:
explicit MicroSecTime(uint64_t t) noexcept : _time(t) {}
[[nodiscard]] uint64_t getTime() const noexcept { return _time; }
bool operator<(const MicroSecTime& o) const noexcept { return (_time < o._time); }
bool operator<=(const MicroSecTime& o) const noexcept { return (_time <= o._time); }
bool operator>=(const MicroSecTime& o) const noexcept { return (_time >= o._time); }
bool operator>(const MicroSecTime& o) const noexcept { return (_time > o._time); }
bool operator==(const MicroSecTime& o) const noexcept { return (_time == o._time); }
[[nodiscard]] uint32_t getSeconds() const noexcept { return (getTime() / 1000000); }
static MicroSecTime max() noexcept { return MicroSecTime(std::numeric_limits<uint64_t>::max()); }
private:
// time_t may be signed. Negative timestamps is just a source for bugs. Enforce unsigned.
uint64_t _time;
};
std::ostream& operator<<(std::ostream& out, const MicroSecTime & t);
vespalib::asciistream& operator<<(vespalib::asciistream& out, const MicroSecTime & t);
}
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