The ProductPrice entity within the microservice architecture

Entity-Relationship-Model of <ProductService>

Entity Name: ProductPrice

Data Schema: Shop

Master Service: ProductService

Microservices

3.1 CountryService

3.2 DiscountCampaignService

3.3 ProductService

3.4 ShopLicenseService

Entity Properties

Property Name	Datatype	Data Entity	Reference Entity
Country	LONG	ProductPrice	Country
Price	DOUBLE	ProductPrice
PrimaryKey	LONG	ProductPrice
Product	LONG	ProductPrice	Product
ServerReplicationVersion	LONG	ProductPrice
ShopOwner	LONG	ProductPrice
ValidFrom	LONG	ProductPrice

Service Interfaces

Relative mapping URL	Request Method	Method Name	Microservice	Involved Entities
/productprice/{id}	GET	findProductPriceById(id)	ProductService	ProductPrice
/productprice/{id}	DELETE	deleteProductPriceById(id)	ProductService	ProductPrice
/productprice	POST	insertProductPrice(productprice)	ProductService	ProductPrice
/productprice/{id}	PUT	updateProductPriceById(productprice)	ProductService	ProductPrice
/productprice/country/{id}	GET	findAllProductPriceOfCountry(id)	ProductService	Country ProductPrice
/productprice/product/{id}	GET	findAllProductPriceOfProduct(id)	ProductService	Product ProductPrice
/productprice	GET	findAllProductPrice()	ProductService	ProductPrice

Distributed transaction of <ProductPrice>

Pseudo code snippet

final ProductPrice productprice = (ProductPrice) this.callMicroservice(ServiceNames.PRODUCT_SERVICE + "/productprice/" + id, ProductPrice.class);
if (productprice != null) {
    final Product product1 = (Product) this.callMicroservice(ServiceNames.PRODUCT_SERVICE + "/product/" + productprice.getProduct().getId(), Product.class);
    if (product1 != null) {
        final SalesTax salestax2 = (SalesTax) this.callMicroservice(ServiceNames.PRODUCT_SERVICE + "/salestax/" + product1.getSalesTax().getId(), SalesTax.class);
        if (salestax2 != null) {
            final Country country3 = (Country) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/country/" + salestax2.getCountry().getId(), Country.class);
            if (country3 != null) {
            }
        }
        final ProductCategory productcategory4 = (ProductCategory) this.callMicroservice(ServiceNames.PRODUCT_SERVICE + "/productcategory/" + product1.getProductCategory().getId(), ProductCategory.class);
        if (productcategory4 != null) {
        }
        final Country countryoforigin5 = (Country) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/country/" + product1.getCountryOfOrigin().getId(), Country.class);
        if (countryoforigin5 != null) {
        }
    }
    final Country country6 = (Country) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/country/" + productprice.getCountry().getId(), Country.class);
    if (country6 != null) {
    }
}
return productprice;

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