LinkedVarAccessorBase.icc

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/*
 * Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration.
 */
/**
 * @file AthContainers/tools/LinkedVarAccessorBase.icc
 * @author scott snyder <snyder@bnl.gov>
 * @date Jun, 2024
 * @brief Base class usable for accessors for variables with linked variables.
 */
 
 
namespace SG { namespace detail {
 
 
/**
 * @brief Test to see if this variable exists in the store.
 * @param e An element of the container in which to test the variable.
 */
template <class ELT>
requires( IsConstAuxElement<ELT> )
inline
bool LinkedVarAccessorBase::isAvailable (const ELT& e) const
{
  return e.container() &&
    e.container()->isAvailable (m_auxid) &&
    e.container()->isAvailable (m_linkedAuxid);
}
 
 
/**
 * @brief Test to see if this variable exists in the store.
 * @param c The container in which to test the variable.
 */
inline
bool LinkedVarAccessorBase::isAvailable (const AuxVectorData& c) const
{
  return c.isAvailable (m_auxid) && c.isAvailable (m_linkedAuxid);
}
 
 
/**
 * @brief Return the aux id for this variable.
 */
inline
auxid_t LinkedVarAccessorBase::auxid() const
{
  return m_auxid;
}
 
 
/**
 * @brief Return the aux id for the linked DataLink vector.
 */
inline
auxid_t LinkedVarAccessorBase::linkedAuxid() const
{
  return m_linkedAuxid;
}
 
 
} } // namespace SG::detail