Counter.h

#ifndef BEAST_INSIGHT_COUNTER_H_INCLUDED
#define BEAST_INSIGHT_COUNTER_H_INCLUDED
 
#include <xrpl/beast/insight/CounterImpl.h>
 
#include <memory>
 
namespace beast {
namespace insight {
 
class Counter final
{
public:
    using value_type = CounterImpl::value_type;
 
    Counter()
    {
    }
 
    explicit Counter(std::shared_ptr<CounterImpl> const& impl) : m_impl(impl)
    {
    }
 
    void
    increment(value_type amount) const
    {
        if (m_impl)
            m_impl->increment(amount);
    }
 
    Counter const&
    operator+=(value_type amount) const
    {
        increment(amount);
        return *this;
    }
 
    Counter const&
    operator-=(value_type amount) const
    {
        increment(-amount);
        return *this;
    }
 
    Counter const&
    operator++() const
    {
        increment(1);
        return *this;
    }
 
    Counter const&
    operator++(int) const
    {
        increment(1);
        return *this;
    }
 
    Counter const&
    operator--() const
    {
        increment(-1);
        return *this;
    }
 
    Counter const&
    operator--(int) const
    {
        increment(-1);
        return *this;
    }
 
private:
    std::shared_ptr<CounterImpl> m_impl;
};
 
}  // namespace insight
}  // namespace beast
 
#endif