order_id_generator.cpp

// src/order/order_id_generator.cpp
#include "lob/types/order_id_generator.hpp"
 
#include <limits>
#include <stdexcept>
 
namespace lob {
 
/** Advances the generator without allowing identifiers to wrap to zero. */
OrderId OrderIdGenerator::generate() {
    if (currentId == std::numeric_limits<std::uint64_t>::max()) {
        throw std::overflow_error("Order ID space exhausted"); // throw an exception if the maximum value is reached
    }
 
    return OrderId{++currentId};
}
 
} // namespace lob