Stop hibernate from firing update query on #ManyToOne entities - spring

Question

I have two entities ProductCartItem and Product. A product in my scenario is more of a master record that is never gonna change. Below is the mapping.
#Entity
#DiscriminatorValue(value = "PRODUCT")
public class ProductCartItem extends CartItem {
#ManyToOne(optional = false)
#JoinColumn(name = "product_id", referencedColumnName = "id")
private Product product;
#OneToMany(cascade = CascadeType.REMOVE, mappedBy = "parentProductCartItem",orphanRemoval = true)
#JsonManagedReference
Set<AccessoryCartItem> associatedAccessories = new HashSet<>();
#Column(name="property")
#Type(type = "ProductItemPropertyUserType")
private ProductItemProperty productItemProperty;
#OneToOne
#JoinColumn(name="project_id",referencedColumnName = "id")
private Project project;
public Product getProduct() {
return product;
}
public void setProduct(Product product) {
this.product = product;
}
public Set<AccessoryCartItem> getAssociatedAccessories() {
return associatedAccessories;
}
public void setAssociatedAccessories(Set<AccessoryCartItem> associatedAccessories) {
this.associatedAccessories = associatedAccessories;
}
public void addAccessory(AccessoryCartItem accessoryCartItem) {
this.getAssociatedAccessories().add(accessoryCartItem);
}
public void removeAccessory(AccessoryCartItem accessoryCartItem) {
this.getAssociatedAccessories().remove(accessoryCartItem);
}
public ProductItemProperty getProductItemProperty() {
return productItemProperty;
}
public void setProductItemProperty(ProductItemProperty productItemProperty) {
this.productItemProperty = productItemProperty;
}
public Project getProject() {
return project;
}
public void setProject(Project project) {
this.project = project;
}
}
And here is the Product entity.
#Entity
public class Product extends BaseEntity {
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
#Column(name = "title")
private String title;
#Column(name = "subtitle")
private String subtitle;
#Column(name = "description")
private String description;
#Column(name = "type_name")
private String typeName;
#Column(name = "price")
private Float price;
#Column(name = "image_list")
#Type(type = "MyImageListUserType")
private MyImageList imageList;
#Column(name = "pricing_property")
#Type(type = "PricingProperty")
private Map<String,SizePriceDTO> pricingProperty;
#JoinColumn(name = "product_type")
#ManyToOne
private ProductType productType;
private String orientation;
private Short groupId;
#Column(name = "display_order")
private Short displayOrder;
#Column(name = "base_quantity")
private int baseQuantity;
#Transient
private List<AccessoryDTO> configuredAccessoryDTOList;
public Product(){
}
public int getBaseQuantity() {
return baseQuantity;
}
public void setBaseQuantity(int baseQuantity) {
this.baseQuantity = baseQuantity;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getSubtitle() {
return subtitle;
}
public void setSubtitle(String subtitle) {
this.subtitle = subtitle;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getTypeName() {
return typeName;
}
public void setTypeName(String typeName) {
this.typeName = typeName;
}
public Float getPrice() {
return price;
}
public void setPrice(Float price) {
this.price = price;
}
public MyImageList getImageList() {
return imageList;
}
public void setImageList(MyImageList imageList) {
this.imageList = imageList;
}
public ProductType getProductType() {
return productType;
}
public void setProductType(ProductType productType) {
this.productType = productType;
}
public String getOrientation() {
return orientation;
}
public void setOrientation(String orientation) {
this.orientation = orientation;
}
public Short getGroupId() {
return groupId;
}
public void setGroupId(Short groupId) {
this.groupId = groupId;
}
public Short getDisplayOrder() {
return displayOrder;
}
public void setDisplayOrder(Short displayOrder) {
this.displayOrder = displayOrder;
}
public List<AccessoryDTO> getConfiguredAccessoryDTOList() {
return configuredAccessoryDTOList;
}
public void setConfiguredAccessoryDTOList(List<AccessoryDTO> configuredAccessoryDTOList) {
this.configuredAccessoryDTOList = configuredAccessoryDTOList;
}
public Map<String, SizePriceDTO> getPricingProperty() {
return pricingProperty;
}
public void setPricingProperty(Map<String,SizePriceDTO> pricingProperty) {
this.pricingProperty = pricingProperty;
}
}
Now when I create a new ProductCartItem I associate an already existing Product with it. When I save the productcartitem hibernate for some reasons is firing an update query on the product table too. I have already tried setting the relationship as updatable= false but to no avail. Below is the code for the service.
private ShoppingCart addProductToCartHelper(ProductCartItemDTO productCartItemDTO) throws ShoppingException{
ShoppingCart shoppingCart;
ProductCartItem productCartItem;
Product product = productService.getProductById(productCartItemDTO.getProductDTO().getId().intValue());
if (null == product) {
throw new ShoppingException();
}
Customer currentCustomer = CanveraWebUtil.getCurrentCustomer();
GuestUser guestUser = guestUserService.loadGuestUserByUUID(CanveraWebUtil.getCurrentGuestUserIdentifier());
shoppingCart = fetchShoppingCartForCustomerOrGuestUser();
if (null == shoppingCart) {
if (null != currentCustomer) {
shoppingCart = new ShoppingCart(currentCustomer);
} else {
shoppingCart = new ShoppingCart(guestUser);
}
shoppingCart.setShoppingBagStatus(ShoppingBagStatus.DRAFT);
}
Long productCartItemDTOId = productCartItemDTO.getId();
// we will not update the associated accessories as in our case these never comes from our UI.
if (null == productCartItemDTOId) {
modifyNumberOfPages(productCartItemDTO,product);
productCartItem = new ProductCartItem();
productCartItem.setProductItemProperty(productCartItemDTO.getProductItemProperty());
productCartItem.setQuantity(productCartItemDTO.getQuantity());
productCartItem.setProduct(product);
productCartItem.setPrice(productCartItemDTO.getPrice());
productCartItem.setGiftWrap(shoppingCart.getIsGiftWrap());
//associating project
productCartItem.setProject(productCartItemDTO.getProject());
shoppingCart.addCartItem(productCartItem);
productCartItem.setShoppingCart(shoppingCart);
} else {
for (CartItem cartItem : shoppingCart.getCartItems()) {
if (null != cartItem.getId() && cartItem.getId().equals(productCartItemDTOId)) {
productCartItem = (ProductCartItem) cartItem;
productCartItem.setProductItemProperty(productCartItemDTO.getProductItemProperty());
productCartItem.setPrice(productCartItemDTO.getPrice());
productCartItem.setQuantity(productCartItemDTO.getQuantity());
}
}
}
shoppingCart = shoppingCartRepository.save(shoppingCart);
return shoppingCart;
}
Can anybody point me in the right direction ? At any point of time I do not alter any property of the product object.