How correctly OCR large pdf document using java language

OcrEngine ocrEngine = OcrEngineManager.createEngine(OcrEngineType.LEAD);
        ocrEngine.startup(null, null, null, ocrRuntimePath);
        setInitialOcrConfiguration(processingDocument, ocrEngine);

        RasterCodecs rasterCodecs = ocrEngine.getRasterCodecsInstance();
        OcrDocument ocrDocument = ocrEngine.getDocumentManager()
                .createDocument(null, OcrCreateDocumentOptions.AUTO_DELETE_FILE.getValue());
        OcrProgressCallback ocrProgressCallback = ....;

        Path inputPath = ....;
        Path outputPath = generateOutputDocumentPath(ocredDocumentDirectory, processingDocument.getName());

        try {
            int pageCount = rasterCodecs.getTotalPages(inputPath.toString());
            IntStream.rangeClosed(1, pageCount)
                    .forEach(pageNumber -> {
                        // monitorOcrProgress(processingDocument, pageCount, pageNumber);

                        RasterImage rasterImage = rasterCodecs.load(inputPath.toString(), pageNumber);
                        OcrPage ocrPage = ocrEngine.createPage(rasterImage, OcrImageSharingMode.AUTO_DISPOSE);

                        ocrPage.autoZone(null);
                        ocrPage.recognize(ocrProgressCallback);
                        ocrDocument.getPages().add(ocrPage);

                        ocrPage.dispose();
                    });

            ocrDocument.save(outputPath, DocumentFormat.PDF, null);
        } finally {
            if (Objects.nonNull(rasterCodecs)) {
                rasterCodecs.dispose();
            }

            if (Objects.nonNull(ocrDocument)) {
                ocrDocument.dispose();
            }

            ocrEngine.dispose();

            if (Objects.nonNull(outputPath)) {
                FileUtils.deleteQuietly(outputPath.getParent().toFile());
            }
        }
    }