Nextras\Orm\Mapper\Memory\ArrayMapper::createCollectionOneHasMany PHP Method

    public function createCollectionOneHasMany(PropertyMetadata $metadata, IEntity $parent)
    {
        $collection = $this->findAll();
        $collection->setRelationshipMapping(new RelationshipMapperOneHasMany($this, $metadata), $parent);
        return $collection;
    }