TopologyPolicy.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 O2_FRAMEWORK_TOPOLOGYPOLICY_H_
#define O2_FRAMEWORK_TOPOLOGYPOLICY_H_
 
#include <functional>
#include <vector>
 
namespace o2::framework
{
struct DataProcessorSpec;
 
struct TopologyPolicy {
  using DataProcessorMatcher = std::function<bool(DataProcessorSpec const& device)>;
  using DependencyChecker = std::function<bool(DataProcessorSpec const& dependent, DataProcessorSpec const& ascendant)>;
  DataProcessorMatcher matcher;
  DependencyChecker checkDependency;
  static std::vector<TopologyPolicy> createDefaultPolicies();
};
 
} // namespace o2::framework
#endif // O2_FRAMEWORK_TOPOLOGYPOLICY_H_