ExportNotFoundException example

$criteria = new Criteria();
        $criteria
            ->addFilter(new EqualsFilter('fileName', $request->get('fileName')))
            ->addFilter(new EqualsFilter('accessKey', $request->get('accessKey')))
            ->addFilter(new EqualsFilter('salesChannel.active', true))
            ->addAssociation('salesChannelDomain');

        /** @var ProductExportEntity|null $productExport */
        $productExport = $this->productExportRepository->search($criteria, Context::createDefaultContext())->first();

        if ($productExport === null) {
            $exportNotFoundException = new ExportNotFoundException(null, $request->get('fileName'));
            $this->logException(Context::createDefaultContext(), $exportNotFoundException, Level::Warning);

            throw $exportNotFoundException;
        }

        $context = $this->contextFactory->create('', $productExport->getSalesChannelDomain()->getSalesChannelId());

        $filePath = $this->productExportFileHandler->getFilePath($productExport);

        // if file not present or interval = live         if (!$this->fileSystem->fileExists($filePath) || $productExport->getInterval() === 0) {
            

            );

        if (!$behavior->includeInactive()) {
            $criteria->addFilter(new EqualsFilter('salesChannel.active', true));
        }

        /** @var ProductExportCollection $productExports */
        $productExports = $this->productExportRepository->search($criteria, $context->getContext());

        if ($productExports->count() === 0) {
            $exportNotFoundException = new ExportNotFoundException($productExportId);
            $this->logException($context->getContext(), $exportNotFoundException);

            throw $exportNotFoundException;
        }

        foreach ($productExports as $productExport) {
            $this->createFile($productExport, $context, $behavior);
        }
    }

    private function createFile(