Knowledge Factory

The image illustrates an orchestration-based saga pattern for handling distributed transactions across two microservices: Order Service and Customer Service . This approach uses a central orchestrator (the saga) to coordinate the interactions between services and ensure consistency. Here’s an end-to-end explanation of the flow: 1. Order Creation Request A client sends an HTTP POST /orders request to the Order Controller in the Order Service . The Order Controller is responsible for receiving the request and delegating it to the Order Service . 2. Order Creation in the Saga The Order Service invokes the create() method in the Create Order Saga . The Create Order Saga is the orchestrator responsible for coordinating the steps involved in completing the transaction. 3. Order Aggregate Creation The Create Order Saga initiates the creation of the Order aggregate in the Order Service . The Order aggregate represents the state and business logic of the order. 4. Reserve Credit Com...