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Rename API in line with adjusted approach
Change PlaceOrderCommand/OrderPlacedEvent to CreateOrderCommand/OrderCreatedEvent. Placed suggests it is already placed, meaning products cannot be changed. However with the new OrderLine member and its operations it's no longer correct to state the order placed upon creation. Furthermore, the OrderedProduct is no longer a single product, but contains several. Renaming this to Order is more in line with what this query model resembles #BAEL-4767
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2,6 +2,5 @@ | |
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| public enum OrderStatus { | ||
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| PLACED, CONFIRMED, SHIPPED | ||
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| CREATED, CONFIRMED, SHIPPED | ||
| } | ||
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86 changes: 0 additions & 86 deletions
86
axon/src/main/java/com/baeldung/axon/querymodel/OrderedProductsEventHandler.java
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86 changes: 86 additions & 0 deletions
86
axon/src/main/java/com/baeldung/axon/querymodel/OrdersEventHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package com.baeldung.axon.querymodel; | ||
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| import com.baeldung.axon.coreapi.events.OrderConfirmedEvent; | ||
| import com.baeldung.axon.coreapi.events.OrderCreatedEvent; | ||
| import com.baeldung.axon.coreapi.events.OrderShippedEvent; | ||
| import com.baeldung.axon.coreapi.events.ProductAddedEvent; | ||
| import com.baeldung.axon.coreapi.events.ProductCountDecrementedEvent; | ||
| import com.baeldung.axon.coreapi.events.ProductCountIncrementedEvent; | ||
| import com.baeldung.axon.coreapi.events.ProductRemovedEvent; | ||
| import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery; | ||
| import com.baeldung.axon.coreapi.queries.Order; | ||
| import org.axonframework.config.ProcessingGroup; | ||
| import org.axonframework.eventhandling.EventHandler; | ||
| import org.axonframework.queryhandling.QueryHandler; | ||
| import org.springframework.stereotype.Service; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| @Service | ||
| @ProcessingGroup("orders") | ||
| public class OrdersEventHandler { | ||
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| private final Map<String, Order> orders = new HashMap<>(); | ||
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| @EventHandler | ||
| public void on(OrderCreatedEvent event) { | ||
| String orderId = event.getOrderId(); | ||
| orders.put(orderId, new Order(orderId)); | ||
| } | ||
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| @EventHandler | ||
| public void on(ProductAddedEvent event) { | ||
| orders.computeIfPresent(event.getOrderId(), (orderId, order) -> { | ||
| order.addProduct(event.getProductId()); | ||
| return order; | ||
| }); | ||
| } | ||
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| @EventHandler | ||
| public void on(ProductCountIncrementedEvent event) { | ||
| orders.computeIfPresent(event.getOrderId(), (orderId, order) -> { | ||
| order.incrementProductInstance(event.getProductId()); | ||
| return order; | ||
| }); | ||
| } | ||
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| @EventHandler | ||
| public void on(ProductCountDecrementedEvent event) { | ||
| orders.computeIfPresent(event.getOrderId(), (orderId, order) -> { | ||
| order.decrementProductInstance(event.getProductId()); | ||
| return order; | ||
| }); | ||
| } | ||
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| @EventHandler | ||
| public void on(ProductRemovedEvent event) { | ||
| orders.computeIfPresent(event.getOrderId(), (orderId, order) -> { | ||
| order.removeProduct(event.getProductId()); | ||
| return order; | ||
| }); | ||
| } | ||
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| @EventHandler | ||
| public void on(OrderConfirmedEvent event) { | ||
| orders.computeIfPresent(event.getOrderId(), (orderId, order) -> { | ||
| order.setOrderConfirmed(); | ||
| return order; | ||
| }); | ||
| } | ||
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| @EventHandler | ||
| public void on(OrderShippedEvent event) { | ||
| orders.computeIfPresent(event.getOrderId(), (orderId, order) -> { | ||
| order.setOrderShipped(); | ||
| return order; | ||
| }); | ||
| } | ||
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| @QueryHandler | ||
| public List<Order> handle(FindAllOrderedProductsQuery query) { | ||
| return new ArrayList<>(orders.values()); | ||
| } | ||
| } |
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