The CustomerOrder entity within the microservice architecture

Entity-Relationship-Model of <CountryService>

Entity Name: CustomerOrder

Data Schema: Shop

Master Service: CountryService

Microservices

3.1 CountryService

3.2 DiscountCampaignService

3.3 ProductService

3.4 ShopLicenseService

Entity Properties

Property Name	Datatype	Data Entity	Reference Entity
OrderDate	LONG	CustomerOrder
PrimaryKey	LONG	CustomerOrder
Remarks	STRING	CustomerOrder
ServerReplicationVersion	LONG	CustomerOrder
ShopCustomer	LONG	CustomerOrder	ShopCustomer
ShopOwner	LONG	CustomerOrder

Service Interfaces

Relative mapping URL	Request Method	Method Name	Microservice	Involved Entities
/customerorder/{id}	GET	findCustomerOrderById(id)	CountryService	CustomerOrder
/customerorder/shopcustomer/{id}	GET	findAllCustomerOrderOfShopCustomer(id)	CountryService	ShopCustomer CustomerOrder
/customerorder/{id}	PUT	updateCustomerOrderById(customerorder)	CountryService	CustomerOrder
/customerorder	POST	insertCustomerOrder(customerorder)	CountryService	CustomerOrder
/orderitem/customerorder/{id}	GET	findAllOrderItemOfCustomerOrder(id)	ProductService	CustomerOrder OrderItem
/customerorder	GET	findAllCustomerOrder()	CountryService	CustomerOrder
/customerorder/{id}	DELETE	deleteCustomerOrderById(id)	CountryService	CustomerOrder

Distributed transaction of <CustomerOrder>

Pseudo code snippet

final CustomerOrder customerorder = (CustomerOrder) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/customerorder/" + id, CustomerOrder.class);
if (customerorder != null) {
    final ShopCustomer shopcustomer1 = (ShopCustomer) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/shopcustomer/" + customerorder.getShopCustomer().getId(), ShopCustomer.class);
    if (shopcustomer1 != null) {
        final Country country2 = (Country) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/country/" + shopcustomer1.getCountry().getId(), Country.class);
        if (country2 != null) {
        }
    }
}
return customerorder;

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