dict_util.h

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/*
 *  dict_util.h
 *
 *  This file is part of NEST.
 *
 *  Copyright (C) 2004 The NEST Initiative
 *
 *  NEST is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  NEST is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with NEST.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef DICT_UTIL_H
#define DICT_UTIL_H
 
// Includes from nestkernel:
#include "kernel_manager.h"
#include "vp_manager_impl.h"
 
#include "dictionary.h"
 
namespace nest
{
template < typename T >
bool
update_value_param( Dictionary const& d, const std::string& key, T& value, nest::Node* node )
{
  assert( node != nullptr );
  const auto it = d.find( key );
  if ( it != d.end() and std::holds_alternative< std::shared_ptr< nest::Parameter > >( it->second.item ) )
  {
    const auto param = d.get< ParameterPTR >( key );
    const auto vp = kernel().vp_manager.node_id_to_vp( node->get_node_id() );
    const auto tid = kernel().vp_manager.vp_to_thread( vp );
    const auto rng = get_vp_specific_rng( tid );
    value = param->value( rng, node );
    return true;
  }
  else
  {
    return d.update_value( key, value );
  }
}
 
}  // namespace nest
 
#endif  // DICT_UTIL_H