Distributed Transactions in Microservices: The Saga Pattern Explained

// Orchestrated Saga Coordinator Concept
async function executeOrderSaga(orderData) {
  try {
    await inventoryService.reserveItems(orderData);
    await paymentService.chargeCustomer(orderData);
    await shippingService.dispatchOrder(orderData);
  } catch (error) {
    // Execute compensating actions in reverse order
    await paymentService.refundCustomer(orderData);
    await inventoryService.releaseItems(orderData);
  }
}