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#pragma once

#include <functional>

#include <queue>

#include "infer_response.h"

namespace triton { namespace backend { namespace python {

class InferPayload {

public:

InferPayload(

const bool is_decouple,

std::function<void(std::unique_ptr<InferResponse>)> callback);

~InferPayload();

void SetValueForPrevPromise(std::unique_ptr<InferResponse> infer_response);

void SetFuture(std::future<std::unique_ptr<InferResponse>>& response_future);

bool IsDecoupled();

bool IsPromiseSet();

void Callback(std::unique_ptr<InferResponse> infer_response);

private:

std::unique_ptr<std::promise<std::unique_ptr<InferResponse>>> prev_promise_;

bool is_decoupled_;

bool is_promise_set_;

std::function<void(std::unique_ptr<InferResponse>)> callback_;

};

}}} // namespace triton::backend::python