RED-6126: performance-test

*added PDFNet terminate

ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/service/OCRService.java

@@ -72,7 +72,7 @@ public class OCRService {
                 invisibleElementRemovalService.removeInvisibleElements(fileStream, transferOutputStream, false);
             }
             long end = System.currentTimeMillis();
-            log.info("Invisible element removal successful for file with dossierId {} and fileId {}, took {}s", dossierId, fileId, format("%.1f", (float) ((end - start) / 1000)));
+            log.info("Invisible element removal successful for file with dossierId {} and fileId {}, took {}s", dossierId, fileId, format("%.1f", (end - start) / 1000.0));
             try (InputStream transferInputStream = new ByteArrayInputStream(transferOutputStream.toByteArray())) {
                 runOcr(transferInputStream, out, fileId);
             }
@@ -93,12 +93,12 @@ public class OCRService {
         Map<Integer, RectCollection> pageIdToRectCollection = imagePositionRetrievalService.getImagePositionPerPage(pdfDoc, true);
 
         int numProcessedPages = 0;
+        // optimization: only scanning pages that contain images
         for (Integer pageId : pageIdToRectCollection.keySet()) {
             try {
                 // optimization: creating a new document is faster than reusing the same and adding/removing pages one by one
                 OCROptions options = new OCROptions();
                 PDFDoc ocrPageDoc = new PDFDoc();
-                // optimization: only scanning pages that contain images
                 Page pdfPage = pdfDoc.getPage(pageId);
                 // optimization: this line ensures the ocr text is placed correctly by PDFTron
                 pdfPage.setMediaBox(pdfPage.getCropBox());

ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/service/OcrMessageReceiver.java

@@ -15,6 +15,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.iqser.red.service.ocr.v1.api.model.DocumentRequest;
 import com.iqser.red.service.ocr.v1.server.client.FileStatusProcessingUpdateClient;
 import com.iqser.red.service.ocr.v1.server.configuration.MessagingConfiguration;
+import com.pdftron.pdf.PDFNet;
 
 import feign.FeignException;
 import lombok.RequiredArgsConstructor;
@@ -57,11 +58,12 @@ public class OcrMessageReceiver {
             throw new RuntimeException(e);
         }
 
-
         long end = System.currentTimeMillis();
         log.info("Successfully processed ocr for file with dossierId {} and fileId {}, took {}", ocrRequestMessage.getDossierId(), ocrRequestMessage.getFileId(), end - start);
 
         fileStatusProcessingUpdateClient.ocrSuccessful(ocrRequestMessage.getDossierId(), ocrRequestMessage.getFileId());
+
+        PDFNet.terminate();
     }