刷新外部罐子
当有配置更改时，我正在使用Spring-Cloud-Starter来刷新豆类。它对我控制的豆类的工作原理。如果某些豆类属于外部罐子，我也希望在有配置更改时刷新它们，是否可以这样做？这与使用配置创建但可能没有@refreshscope注释的自动配置豆更相关。
I am using spring-cloud-starter for refreshing the beans when there is a config change. It works as expected for beans that I have control over. If there are certain beans that belong to an external jar and I want them to be refreshed as well when there is a config change, is it possible to do that? This is more relevant for AutoConfiguration beans that gets created using configs but might not have @RefreshScope annotated.
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@refreshscope并不是唯一必须在环境更改事件上重新定位bean的指标。还有@ConfigurationProperties- 通过此注释绑定到环境的任何bean也将刷新。如果您都不适用于您的情况，并且由于某种原因仍然要刷新外部豆类，则可以通过创建
Environment ChangeEvent事件侦听器来明确执行此操作，该 tastroe 会破坏并初始化所需的bean。为此，请看一下org.springframework.cloud.context.properties.configurationpropertiesrebinder来自spring> spring> spring-cloud-context模块。@RefreshScopeis not the only indicator that a bean has to be reinitialized upon the environment change event. There's also@ConfigurationProperties- any beans that were bound to environment via this annotation will also be refreshed.If neither is applicable to your case and still for some reason you'd like to refresh external beans, you can do this explicitly by creating an
EnvironmentChangeEventevent listener that destroys and initializes the beans you need. For an example of this take a look atorg.springframework.cloud.context.properties.ConfigurationPropertiesRebinderfromspring-cloud-contextmodule.