从Spring Boot application.yml文件中注入@Scheduled fixedRate值 [英] Inject @Scheduled fixedRate value from Spring Boot application.yml file

问题描述

我知道我可以使用以下语法从属性文件中注入值:

I know I can inject the value from properties file with the following syntax:

@Scheduled(fixedRate=${myRate})
public void getSchedule(){
    System.out.println("in scheduled job");
}

但是，如果配置位于YAML文件中，我无法猜测如何完成相同的工作.

However I can't guess how to accomplish the same if the configuration is in YAML file.

预先感谢

推荐答案

在我的application.properties(YAML)中，我将其放置

In my application.properties (YAML) I put this

console:
    fetchMetrics: 5000

然后在我的简单Task类中推送定义:

Then in my simple Task class I push the definition :

@Scheduled(fixedRateString ="${console.fetchMetrics}", initialDelay=1000)
public void fetchMetrics() {
    logger.info("What's up ?");
}

请注意，fixedRate需要一个long，并且要注入占位符，您将需要fixedRateString

Please notice that fixedRate expects a long and you want to inject a placeholder, you will need fixedRateString

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