if (getOwner().getRelationships() == null) {
            getOwner().getCompletionCallback().addListener(new Runnable() {

                @Override
                public void run() {
                    Minecraft.getMinecraft().addScheduledTask(new Runnable() {

                        @Override
                        public void run() {
                            download(type, position);
                        }
                    });
                }
            }, MoreExecutors.sameThreadExecutor());
        }