SysWriteSelectionHandle.cxx

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/

 
 
//
// includes
//
 
#include <SelectionHelpers/SysWriteSelectionHandle.h>
 
#include <AsgMessaging/MessageCheck.h>
#include <AsgMessaging/StatusCode.h>
#include <SelectionHelpers/SelectionWriteAccessorNull.h>
#include <SystematicsHandles/SysListHandle.h>
 
//
// method implementations
//
 
namespace CP
{
  SysWriteSelectionHandle ::
  operator bool () const noexcept
  {
    return !m_selection.empty();
  }
 
 
 
  StatusCode SysWriteSelectionHandle ::
  initialize (SysListHandle& sysListHandle, ISysObjectHandleBase& objectHandle)
  {
    if (m_selection.empty())
    {
      ANA_MSG_ERROR ("trying to initialize empty handle");
      return StatusCode::FAILURE;
    }
    if (m_objectHandle != nullptr)
    {
      ANA_MSG_ERROR ("trying to initialize handle twice");
      return StatusCode::FAILURE;
    }
    m_objectHandle = &objectHandle;
    ANA_CHECK (makeSelectionWriteAccessor (m_selection, m_accessor));
    return sysListHandle.addHandle (*this);
  }
 
 
 
  StatusCode SysWriteSelectionHandle ::
  initialize (SysListHandle& sysListHandle, ISysObjectHandleBase& objectHandle, SG::AllowEmptyEnum)
  {
    if (!empty())
      return initialize (sysListHandle, objectHandle);
    else
    {
      m_accessor = std::make_unique<SelectionWriteAccessorNull>();
      return StatusCode::SUCCESS;
    }
  }
 
 
 
  bool SysWriteSelectionHandle ::
  empty () const noexcept
  {
    return m_selection.empty();
  }
 
 
 
  std::string SysWriteSelectionHandle ::
  getLabel () const
  {
    return m_accessor->label();
  }
 
 
 
  const std::string& SysWriteSelectionHandle ::
  getSelection () const
  {
    return m_selection;
  }
 
 
 
  CP::SystematicSet SysWriteSelectionHandle ::
  getInputAffecting (const ISystematicsSvc& /*svc*/) const
  {
    return CP::SystematicSet ();
  }
 
 
 
  StatusCode SysWriteSelectionHandle ::
  fillSystematics (const ISystematicsSvc& svc,
                   const CP::SystematicSet& fullAffecting,
                   const std::vector<CP::SystematicSet>& sysList)
  {
    ANA_CHECK (m_accessor->fillSystematics (svc, fullAffecting, sysList, *m_objectHandle));
    return StatusCode::SUCCESS;
  }
}