Java 为什么 Guava 的 EventBus 在 IntelliJ 2018.2 中被标记为不稳定？
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Why is Guava's EventBus marked unstable in IntelliJ 2018.2?
提问by 20knots
A new inspection was added in IntelliJ 2018.2 which should warn from unstable APIs: https://youtrack.jetbrains.com/issue/IDEA-159541.
IntelliJ 2018.2 中添加了一项新检查，应警告不稳定的 API：https://youtrack.jetbrains.com/issue/IDEA-159541 。
This warning shows up for the Guava's EventBus. Why is this an unstable API?
这个警告出现在 Guava 的 EventBus 上。为什么这是一个不稳定的 API？
采纳答案by JB Nizet
Because the EventBusclassis annotated as @Beta.
因为在EventBus类被注释为@Beta。
You'd have to ask the Guava project maintainerswhy a class that exists for 16 versions of Guava is still Beta, but it still is.
您必须询问 Guava 项目维护人员，为什么存在 16 个 Guava 版本的类仍然是 Beta，但它仍然是 Beta。
回答by Hiery Nomus
EventBus class is marked with the @com.google.common.annotations.Betaannotation. So I think the inspection is triggering on that. See: https://google.github.io/guava/releases/22.0/api/docs/com/google/common/eventbus/EventBus.html
EventBus 类用@com.google.common.annotations.Beta注解标记。所以我认为检查是由此触发的。请参阅：https: //google.github.io/guava/releases/22.0/api/docs/com/google/common/eventbus/EventBus.html
回答by Frankie
Besides @JB Nizet's answer that perfectly explains why IntelliJ flags this error, you may also want to suppress itglobally but only for the Google Beta annotations.
除了@JB Nizet 的回答完美地解释了 IntelliJ 标记此错误的原因之外，您可能还想在全局范围内抑制它，但仅针对 Google Beta annotations。
Just go to Settings -> Inspections -> JVM languagesas per the picture bellow and, if you feel like it, delete the com.google.common.anotations.Beta.
只需Settings -> Inspections -> JVM languages按照下面的图片转到，如果您愿意，请删除com.google.common.anotations.Beta.
回答by BullyWiiPlaza
You can also ask IntelliJto suppress the warning for the definition of your @Betaannotated class as follows:
您还可以要求IntelliJ取消@Beta注释类定义的警告，如下所示：
@SuppressWarnings("UnstableApiUsage")
static RateLimiter API_RATE_LIMITER = RateLimiter.create(8);
This properly deals with the warning in a particular case when you're okay with using the class anyway (and don't run into issues).
当您无论如何都可以使用该类时（并且不会遇到问题），这可以正确处理特定情况下的警告。
回答by MiguelMunoz
Maybe a better question is why is the @Subscribed annotation marked @Beta? It's been around for a long time, and it doesn't seem like they may get rid of it any time soon, especially since a lot of people must be using it already.
也许更好的问题是为什么@Subscribed 注释标记为@Beta？它已经存在很长时间了，而且他们似乎不会很快摆脱它，尤其是因为很多人肯定已经在使用它了。
