Replaced primitive longs with Wrapper Class Longs

Author: MohammadIqbalAD

src/main/java/com/answerdigital/answerking/controller/ProductController.java

@@ -52,15 +52,15 @@ public ResponseEntity<Product> addProduct(@Valid @RequestBody final ProductReque
     }
 
     @PutMapping("/{id}")
-    public ResponseEntity<Product> updateProduct(@PathVariable @NotNull final long id,
+    public ResponseEntity<Product> updateProduct(@PathVariable @NotNull final Long id,
                                               @Valid @RequestBody final ProductRequest productRequest,
                                               final Errors errors) {
         return new ResponseEntity<>(productService.updateProduct(id, productRequest),
                                             errors.hasErrors() ? HttpStatus.BAD_REQUEST : HttpStatus.OK);
     }
 
     @DeleteMapping("/{id}")
-    public ResponseEntity<Product> retireProduct(@PathVariable @NotNull final long id) {
+    public ResponseEntity<Product> retireProduct(@PathVariable @NotNull final Long id) {
         return new ResponseEntity<>(productService.retireProduct(id), HttpStatus.OK);
     }
 }

src/main/java/com/answerdigital/answerking/service/ProductService.java

@@ -42,7 +42,7 @@ public List<Product> findAll() {
         return productRepository.findAll();
     }
 
-    public Product updateProduct(final long productId, final ProductRequest productRequest) {
+    public Product updateProduct(final Long productId, final ProductRequest productRequest) {
         productRepository.findById(productId)
                 .orElseThrow(() -> new NotFoundException(String.format("Product with ID %d does not exist.", productId)));
 
@@ -54,7 +54,7 @@ public Product updateProduct(final long productId, final ProductRequest productR
         return productRepository.save(updatedProduct);
     }
 
-    public Product retireProduct(final long productId) {
+    public Product retireProduct(final Long productId) {
         final Product product = findById(productId);
         if (product.isRetired()) {
             throw new RetirementException(String.format("The product with ID %d is already retired", productId));