#pragma once

#include <cstdint>


namespace Disruptor
{

    /**
      * Callback interface to be implemented for processing events as they become available in the RingBuffer<T>
      *
      * \tparam T Type of events for sharing during exchange or parallel coordination of an event
      * \remark See BatchEventProcessor<T>.SetExceptionHandler if you want to handle exceptions propagated out of the handler.
      */
    template <class T>
    class IEventHandler
    {
    public:
        virtual ~IEventHandler() = default;

        /**
          * Called when a publisher has committed an event to the RingBuffer<T>
          * 
          * \param data Data committed to the RingBuffer<T>
          * \param sequence Sequence number committed to the RingBuffer<T>
          * \param endOfBatch flag to indicate if this is the last event in a batch from the RingBuffer<T>
          */
        virtual void onEvent(T& data, std::int64_t sequence, bool endOfBatch) = 0;
    };

} // namespace Disruptor