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Mastering Spring Cloud
book

Mastering Spring Cloud

by Piotr Mińkowski
April 2018
Intermediate to advanced content levelIntermediate to advanced
432 pages
10h 38m
English
Packt Publishing
Content preview from Mastering Spring Cloud

Building Feign interfaces

An approach where only an interface with some annotations has to be created to provide a component is standard for Spring Framework. For Feign, an interface must be annotated with @FeignClient(name = "..."). It has one required property name, which corresponds to the invoked microservice name if service discovery is enabled. Otherwise, it is used together with the url property, where we can set a concrete network address. @FeignClient is not the only annotation that needs to be used here. Every method in our client interface is associated with a specific HTTP API endpoint by marking it with @RequestMapping or more concrete annotations, such as @GetMapping, @PostMapping, or @PutMapping, as in this example source code ...

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Publisher Resources

ISBN: 9781788475433Supplemental Content