Backend.cpp

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/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
*                                                                                   *
* In applying this licence, 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 <Gaudi/TestSuite/Conditions/ConditionAccessorHolder.h>
#include <GaudiKernel/System.h>
 
namespace Gaudi::TestSuite::Conditions::details {
  ConditionsStore& ConditionsStore::instance() {
    static ConditionsStore store{};
    return store;
  }
 
  void ConditionsStore::declareKey( const ConditionKey& key ) {
    if ( std::get<1>( m_requestedKeys.emplace( key ) ) ) {
      std::cout << "ConditionsStore: requested condition " << key << '\n';
    }
  }
 
  const ConditionsStore::ConditionContext& ConditionsStore::getConditionContext( const EventContext& ctx ) const {
    static ConditionContext current_iov = 0;
 
    current_iov = ctx.evt() % 2;
    return current_iov;
  }
 
  const std::any* ConditionsStore::getConditionAny( const ConditionKey& key, const ConditionContext& ctx ) const {
    auto lg = std::scoped_lock{ m_storageMtx };
    if ( m_storage.find( ctx ) == end( m_storage ) ) {
      std::cout << "ConditionsStore: first access to store " << ctx << '\n';
      auto& store = m_storage[ctx];
      for ( const auto& key : m_requestedKeys ) {
        std::cout << "ConditionsStore: prepare condition " << key << '\n';
        store.emplace( key, ctx );
      }
    } else {
      std::cout << "ConditionsStore: using existing store " << ctx << '\n';
    }
    return &m_storage[ctx][key];
  }
} // namespace Gaudi::TestSuite::Conditions::details