ActsGeometryService.cxx

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// Copyright 2019-2026 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.
 
 
#include "ACTSWorkflow/ActsGeometryService.h"
 
#include "Framework/CommonServices.h"
#include "Framework/Logger.h"
#include "Framework/ServiceHandle.h"
#include "Framework/ServiceRegistryRef.h"
#include "Framework/TypeIdHelpers.h"
 
using namespace o2::framework;
 
namespace o2::acts
{
 
const Acts::TrackingGeometry& ActsGeometryService::getGeometry() const
{
  return TrackingGeometryManager::instance().get();
}
 
std::shared_ptr<const Acts::TrackingGeometry> ActsGeometryService::getGeometryShared() const
{
  return TrackingGeometryManager::instance().getShared();
}
 
const SurfaceIndexMap& ActsGeometryService::getIndex() const
{
  return TrackingGeometryManager::instance().getIndex();
}
 
const Acts::GeometryContext& ActsGeometryService::getNominalContext() const
{
  return TrackingGeometryManager::instance().getNominalContext();
}
 
bool ActsGeometryService::isBuilt() const
{
  return TrackingGeometryManager::instance().isBuilt();
}
 
ServiceSpec actsGeometryServiceSpec()
{
  return ServiceSpec{
    .name = "acts-geometry",
    .init = [](ServiceRegistryRef, DeviceState&, fair::mq::ProgOptions&) -> ServiceHandle {
      // Nothing is built here: the TGeo geometry is not available yet at service
      // init time. The first getGeometry() call, from run(), triggers the build.
      return ServiceHandle{TypeIdHelpers::uniqueId<ActsGeometryService>(), new ActsGeometryService(),
                           ServiceKind::DeviceGlobal, "acts-geometry"};
    },
    .configure = CommonServices::noConfiguration(),
    .exit = [](ServiceRegistryRef, void* service) {
      TrackingGeometryManager::instance().clear();
      delete reinterpret_cast<ActsGeometryService*>(service); },
    .kind = ServiceKind::DeviceGlobal};
}
 
std::vector<ServiceSpec> defaultServicesWithActsGeometry()
{
  auto services = CommonServices::defaultServices();
  services.push_back(actsGeometryServiceSpec());
  return services;
}
 
} // namespace o2::acts