Hands-On Microservices with Spring Boot and Spring Cloud

Adding new APIs

Before we can use the persistence layer for creating and deleting information in the database, we need to create the corresponding API operations in our core service APIs.

The API operations for creating and deleting a product entity looks like this:

@PostMapping(    value    = "/product",    consumes = "application/json",    produces = "application/json")Product createProduct(@RequestBody Product body);@DeleteMapping(value = "/product/{productId}")void deleteProduct(@PathVariable int productId);

The implementation of the delete operation will be idempotent, that is, it will return the same result if called several times. This is a valuable characteristic in fault scenarios. For example, if a client experience a network timeout during ...