ServiceHandle.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_SERVICEHANDLE_H_
#define O2_FRAMEWORK_SERVICEHANDLE_H_
 
#include <string>
#include <cstdint>
 
namespace o2::framework
{
 
enum struct ServiceKind {
  DeviceSerial,
  DeviceGlobal,
  DeviceStream,
  DataProcessorSerial,
  DataProcessorGlobal,
  DataProcessorStream,
  Serial = DataProcessorSerial,
  Global = DataProcessorGlobal,
  Stream = DataProcessorStream
};
 
struct ServiceTypeHash {
  uint32_t hash = 0;
};
 
struct ServiceHandle {
  unsigned int hash;
  void* instance = nullptr;
  ServiceKind kind = ServiceKind::Serial;
  std::string name = "unknown";
};
 
} // namespace o2::framework
 
#endif // O2_FRAMEWORK_SERVICEHANDLE_H_