// Copyright CERN and copyright holders of ALICE O2. This software is

// distributed under the terms of the GNU General Public License v3 (GPL

// Version 3), copied verbatim in the file "COPYING".

//

// See http://alice-o2.web.cern.ch/license for full licensing information.

//

// In applying this license CERN does not waive the privileges and immunities

// granted to it by virtue of its status as an Intergovernmental Organization

// or submit itself to any jurisdiction.

#ifndef FRAMEWORK_OUTPUTREF_H

#define FRAMEWORK_OUTPUTREF_H

#include "Headers/DataHeader.h"

#include "Headers/Stack.h"

#include <string>

namespace o2

{

namespace framework

{

/// A reference to an output spec

///

/// OutputRef descriptors are expected to be passed as rvalue, i.e. a temporary object in the

/// function call. This is due to the fact that the header stack has no ordinary copy

/// constructor but only a move constructor

struct OutputRef {

std::string label;

header::DataHeader::SubSpecificationType subSpec;

header::Stack headerStack = {};

OutputRef(std::string&& l, header::DataHeader::SubSpecificationType s = 0) : label(std::move(l)), subSpec(s) {}

OutputRef(const std::string& l, header::DataHeader::SubSpecificationType s = 0) : label(l), subSpec(s) {}

OutputRef(std::string&& l, header::DataHeader::SubSpecificationType s, o2::header::Stack&& stack)

: label(std::move(l)), subSpec(s), headerStack(std::move(stack))

{

}

};

} // namespace framework

} // namespace o2

#endif