Mastering Microservices with Java - Third Edition

Compensating transaction in the booking service

You could use choreography or orchestration (SEC) to execute the sagas, compensating sagas, and compensating transactions. In the booking service, we'll implement the distributed sagas using choreography and saga lib.

We'll use the Chapter11 code to implement the distributed sagas and limit the OTRS booking scenario to the following four steps to demonstrate the compensating request:

1. The user submits a REST booking request.
2. The booking service creates a booking record.
3. The booking service calls the billing service to generate a bill.
4. The booking service completes the booking request if billing is successful; otherwise, it deletes the booking (to keep the implementation simple, ideally, you ...