• Source 
    1. @Mapper(componentModel = "spring")
    2. public interface ProductMapper {
    3.  
    4. 	ProductMapper INSTANCE = Mappers.getMapper(ProductMapper.class);
    5.  
    6.  
    7. 	@Mappings({@Mapping(source = "price", target = "productPrice", qualifiedByName = "priceToProductPrice"),
    8. 			@Mapping(source="id", target="productId")
    9. 	})
    10. 	public abstract ProductOutput mapProductEntity2Output(ProductEntity productEntity);
    11.  
    12. 	@Named("priceToProductPrice")
    13. 	public static  String priceToProductPrice(BigDecimal price) {
    14. 		return price.toString()+" ?";
    15. 	}
    16.  
    17. }