Package com.example.orderplatform.orders.application

Class OrderApplicationService

java.lang.Object

com.example.orderplatform.orders.application.OrderApplicationService

All Implemented Interfaces:

OrderManagement

@Service
@Transactional
public class OrderApplicationService
extends Object
implements OrderManagement

Application service that coordinates customer lookup, pricing, order persistence and order events.

Constructor Summary

Constructors

Constructor	Description
OrderApplicationService(CustomerDirectory customers, PricingService pricing, OrderStore orders, org.springframework.context.ApplicationEventPublisher events)

Method Summary

Modifier and Type	Method	Description
OrderSummary	getOrder(UUID orderId)	Retrieves a persisted order summary.
OrderSummary	placeOrder(OrderCommand command)	Places a submitted order and publishes an order-created event after persistence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

OrderApplicationService

public OrderApplicationService(CustomerDirectory customers,
 PricingService pricing,
 OrderStore orders,
 org.springframework.context.ApplicationEventPublisher events)

Method Details

placeOrder

public OrderSummary placeOrder(OrderCommand command)

Places a submitted order and publishes an order-created event after persistence.

Specified by:

placeOrder in interface OrderManagement

Parameters:

command - order placement command

Returns:

submitted order summary

getOrder

@Transactional(readOnly=true)
public OrderSummary getOrder(UUID orderId)

Retrieves a persisted order summary.

Specified by:

getOrder in interface OrderManagement

Parameters:

orderId - order identifier

Returns:

submitted order summary

Throws:

ResourceNotFoundException - when the order does not exist