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Upgrade to Spring Boot 2.3 and related changes.

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This commit is contained in:
Greg L. Turnquist
2020-10-20 16:24:26 -05:00
parent 1d12ed185c
commit 5f74daf4bd
13 changed files with 44 additions and 35 deletions
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7
api-evolution/README.adoc
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@@ -189,8 +189,8 @@ public class HomeController {
private final RestTemplate rest;
public HomeController(RestTemplate restTemplate) {
this.rest = restTemplate;
public HomeController(RestTemplateBuilder restTemplateBuilder) {
this.rest = restTemplateBuilder.build();
}
...
}
@@ -202,7 +202,8 @@ service. So in this example, it is hard coded into place.
WARNING: For fault tolerant production systems, hard coded URIs are NOT recommended. Instead, use something like
Spring Cloud Netflix and it's Eureka/Ribbon features to allow https://spring.io/guides/gs/service-registration-and-discovery/[service discovery] and https://spring.io/guides/gs/client-side-load-balancing/[load balanced calls].
Parts of the controller must also perform REST calls, so we request a `RestTemplate` in the constructor call, allowing Spring to provide it.
Parts of the controller must also perform REST calls, so we request a `RestTemplateBuilder` in the constructor call, allowing Spring Boot to provide it.
Having been decorated with the `HypermediaRestTemplateConfigurer`, it has all active media types applied. You are free to further customize things before invoking the `build()` operation that yields a `RestTemplate`.
To construct a listing of all employees, check out the following controller method: