forked from microservices-patterns/ftgo-application
-
Notifications
You must be signed in to change notification settings - Fork 0
/
CreateOrderSaga.java
45 lines (34 loc) · 1.88 KB
/
CreateOrderSaga.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
package net.chrisrichardson.ftgo.orderservice.sagas.createorder;
import io.eventuate.tram.sagas.orchestration.SagaDefinition;
import io.eventuate.tram.sagas.simpledsl.SimpleSaga;
import net.chrisrichardson.ftgo.orderservice.sagaparticipants.*;
import net.chrisrichardson.ftgo.kitchenservice.api.CreateTicketReply;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CreateOrderSaga implements SimpleSaga<CreateOrderSagaState> {
private Logger logger = LoggerFactory.getLogger(getClass());
private SagaDefinition<CreateOrderSagaState> sagaDefinition;
public CreateOrderSaga(OrderServiceProxy orderService, ConsumerServiceProxy consumerService, KitchenServiceProxy kitchenService,
AccountingServiceProxy accountingService) {
this.sagaDefinition =
step()
.withCompensation(orderService.reject, CreateOrderSagaState::makeRejectOrderCommand)
.step()
.invokeParticipant(consumerService.validateOrder, CreateOrderSagaState::makeValidateOrderByConsumerCommand)
.step()
.invokeParticipant(kitchenService.create, CreateOrderSagaState::makeCreateTicketCommand)
.onReply(CreateTicketReply.class, CreateOrderSagaState::handleCreateTicketReply)
.withCompensation(kitchenService.cancel, CreateOrderSagaState::makeCancelCreateTicketCommand)
.step()
.invokeParticipant(accountingService.authorize, CreateOrderSagaState::makeAuthorizeCommand)
.step()
.invokeParticipant(kitchenService.confirmCreate, CreateOrderSagaState::makeConfirmCreateTicketCommand)
.step()
.invokeParticipant(orderService.approve, CreateOrderSagaState::makeApproveOrderCommand)
.build();
}
@Override
public SagaDefinition<CreateOrderSagaState> getSagaDefinition() {
return sagaDefinition;
}
}