MergerInfrastructureBuilder.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// 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 ALICEO2_INFRASTRUCTUREBUILDER_H
#define ALICEO2_INFRASTRUCTUREBUILDER_H
 
 
#include "Mergers/MergerConfig.h"
 
#include <Framework/WorkflowSpec.h>
 
#include <string>
 
namespace o2::mergers
{
 
class MergerInfrastructureBuilder
{
 
 public:
  MergerInfrastructureBuilder();
  ~MergerInfrastructureBuilder() = default;
 
  void setInfrastructureName(std::string name);
  void setInputSpecs(const framework::Inputs& inputs);
  void setOutputSpec(const framework::OutputSpec& outputSpec);
  void setOutputSpecMovingWindow(const framework::OutputSpec& outputSpec);
  void setConfig(MergerConfig config);
 
  framework::WorkflowSpec generateInfrastructure();
  void generateInfrastructure(framework::WorkflowSpec&); // todo indicate that it throws
 
 private:
  std::string validateConfig();
  std::vector<size_t> computeNumberOfMergersPerLayer(const size_t inputs) const;
 
 private:
  std::string mInfrastructureName;
  framework::Inputs mInputs;
  framework::OutputSpec mOutputSpecIntegral;
  framework::OutputSpec mOutputSpecMovingWindow;
  MergerConfig mConfig;
};
 
} // namespace o2::mergers
 
#endif //ALICEO2_INFRASTRUCTUREBUILDER_H