typename LIB::Ptr library ()
{
const std::string lname = LIB::library_namespace(); //instead of LIB::type_name();
Component::Ptr clib = get_child_ptr(lname);
typename LIB::Ptr lib;
if ( is_null(clib) ) // doesnt exist so build it
{
CF::Common::TypeInfo::instance().regist< LIB >( lname );
lib = create_component_ptr< LIB >(lname);
cf_assert( is_not_null(lib) );
return lib;
}
// try to convert existing ptr to LIB::Ptr and return it
lib = clib->as_ptr<LIB>();
if( is_null(lib) ) // conversion failed
throw CastingFailed( FromHere(),
"Found component in CLibraries with name "
+ lname
+ " but is not the actual library "
+ LIB::type_name() );
return lib;
}
ElementLoop& BoundaryTerm::access_element_loop( const std::string& type_name )
{
// ensure that the fields are present
link_fields();
// get the element loop or create it if does not exist
ElementLoop::Ptr loop;
Common::Component::Ptr cloop = get_child_ptr( "LOOP" );
if( is_null( cloop ) )
{
const std::string update_vars_type =
physical_model().get_child( RDM::Tags::update_vars() )
.as_type<Physics::Variables>()
.type();
loop = build_component_abstract_type_reduced< FaceLoop >( "FaceLoopT<" + type_name + "," + update_vars_type + ">" , "LOOP");
add_component(loop);
}
else
loop = cloop->as_ptr_checked<ElementLoop>();
return *loop;
}
CActionDirector& CActionDirector::append(const CAction::Ptr& action)
{
Component::Ptr existing_child = get_child_ptr(action->name());
if(is_null(existing_child))
{
if(action->has_parent())
{
CLink& action_link = create_component<CLink>(action->name());
action_link.link_to(action);
}
else
{
add_component(action);
}
on_action_added(*action);
}
else
{
// If a child with the given name existed, check that it corresponds to the supplied action
CAction::Ptr existing_action = boost::dynamic_pointer_cast<CAction>(existing_child);
if(is_null(existing_action))
throw ValueExists(FromHere(), "A component named " + action->name() + " already exists in " + uri().string() + ", but it is not a CAction");
if(existing_action != action)
throw ValueExists(FromHere(), "An action named " + action->name() + " already exists in " + uri().string() + ", but it is different from the appended action");
}
Option& actions_prop = option("ActionOrder");
std::vector<std::string> actions; actions_prop.put_value(actions);
actions.push_back(action->name());
actions_prop.change_value(actions);
return *this;
}
