virtual const object& create(const std::function<void(object&)>& constructor )override
{
ObjectType item;
item.id = get_next_id();
constructor( item );
auto insert_result = _indices.insert( std::move(item) );
FC_ASSERT(insert_result.second, "Could not create object! Most likely a uniqueness constraint is violated.");
use_next_id();
return *insert_result.first;
}
virtual const object& create( const std::function<void(object&)>& constructor ) override
{
auto id = get_next_id();
auto instance = id.instance();
if( instance >= _objects.size() ) _objects.resize( instance + 1 );
_objects[instance].id = id;
constructor( _objects[instance] );
use_next_id();
return _objects[instance];
}
virtual const object& create( const std::function<void(object&)>& constructor ) override
{
auto id = get_next_id();
auto instance = id.instance();
if( instance >= _objects.size() ) _objects.resize( instance + 1 );
_objects[instance].reset(new T);
_objects[instance]->id = id;
constructor( *_objects[instance] );
_objects[instance]->id = id; // just in case it changed
use_next_id();
return *_objects[instance];
}
