BasicServerHooks.h

Go to the documentation of this file.

 
#pragma once
#include "catapult/exceptions.h"
#include <vector>
 
namespace catapult { namespace extensions {
 
    template<typename TFunc>
    void SetOnce(TFunc& dest, const TFunc& source) {
        if (dest)
            CATAPULT_THROW_INVALID_ARGUMENT("server hook cannot be set more than once");
 
        dest = source;
    }
 
    template<typename TFunc>
    const TFunc& Require(const TFunc& func) {
        if (!func)
            CATAPULT_THROW_INVALID_ARGUMENT("server hook has not been set");
 
        return func;
    }
 
    template<typename TConsumer>
    TConsumer AggregateConsumers(const std::vector<TConsumer>& consumers) {
        return [consumers](const auto& data) {
            for (const auto& consumer : consumers)
                consumer(data);
        };
    }
}}