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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <memory>
#include <vector>
#include "iprotocol.h"
namespace mbus {
/**
* This class is used to bundle a set of IProtocol objects to be
* supported by a MessageBus instance.
**/
class ProtocolSet
{
private:
std::vector<IProtocol::SP> _vector;
public:
/**
* Create an empty ProtocolSet.
**/
ProtocolSet();
/**
* Add a Protocol to this set.
*
* @return this object, to allow chaining
* @param protocol the IProtocol we want to add
**/
ProtocolSet &add(IProtocol::SP protocol);
/**
* Check if this set is empty
*
* @return true if this set is empty
**/
bool empty() const;
/**
* Extract a single protocol from this set. This will remove the
* protocol from the set. If the set is empty, a shared pointer to
* 0 will be returned.
*
* @return the extracted IProtocol
**/
IProtocol::SP extract();
};
} // namespace mbus
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