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00005 #ifndef MEDIDA_TIMER_H_
00006 #define MEDIDA_TIMER_H_
00007
00008 #include <chrono>
00009 #include <cstdint>
00010 #include <functional>
00011 #include <memory>
00012
00013 #include "medida/metered_interface.h"
00014 #include "medida/metric_interface.h"
00015 #include "medida/metric_processor.h"
00016 #include "medida/sampling_interface.h"
00017 #include "medida/summarizable_interface.h"
00018 #include "medida/timer_context.h"
00019
00020 namespace medida {
00021
00022 class Timer : public MetricInterface, MeteredInterface, SamplingInterface, SummarizableInterface {
00023 public:
00024 Timer(std::chrono::nanoseconds duration_unit = std::chrono::milliseconds(1),
00025 std::chrono::nanoseconds rate_unit = std::chrono::seconds(1));
00026 ~Timer();
00027 void Process(MetricProcessor& processor);
00028 virtual std::chrono::nanoseconds rate_unit() const;
00029 virtual std::string event_type() const;
00030 virtual std::uint64_t count() const;
00031 virtual double fifteen_minute_rate();
00032 virtual double five_minute_rate();
00033 virtual double one_minute_rate();
00034 virtual double mean_rate();
00035 virtual stats::Snapshot GetSnapshot() const;
00036 virtual double max() const;
00037 virtual double min() const;
00038 virtual double mean() const;
00039 virtual double std_dev() const;
00040 virtual double sum() const;
00041 std::chrono::nanoseconds duration_unit() const;
00042 void Clear();
00043 void Update(std::chrono::nanoseconds duration);
00044 TimerContext TimeScope();
00045 void Time(std::function<void()>);
00046 private:
00047 class Impl;
00048 std::unique_ptr<Impl> impl_;
00049 };
00050
00051 }
00052
00053 #endif // MEDIDA_TIMER_H_
