如何在@ConditionalOnProperty中引用String Bean
我需要根据从数据库获取的其他一些 bean 值来初始化配置， 我们如何在@ConditionalOnProperty值属性中引用bean？
或者有没有其他方法可以达到同样的效果。
// Bean that will query database
@Bean
public String checkAndCreate()
{
// Logic to Query DB
return "true";
}
想要在值中引用 bean checkAndCreate
@ConditionalOnPropery(value = "", havingValue = "true")
@Configuration
public class MyConfiguration
{
// Some configuration Code
}
I need to initialize a Configuration based on some other bean value that I am fetching from database,
how can we refer the bean in @ConditionalOnProperty value attribute ?
Or is there any other way to achieve the same.
// Bean that will query database
@Bean
public String checkAndCreate()
{
// Logic to Query DB
return "true";
}
Want to Refer the bean checkAndCreate in value
@ConditionalOnPropery(value = "", havingValue = "true")
@Configuration
public class MyConfiguration
{
// Some configuration Code
}
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评论（1）
不要使用
@ConditionalOnProperty，而是使用@Conditional和自定义条件。ConditionContext应该允许您访问此 bean。您可能需要使用 @DependsOn 来确保提供字符串 bean 的类已经初始化。Don't use
@ConditionalOnProperty, use@Conditionalwith a custom condition instead. TheConditionContextshould give you access to this bean. You may need to use@DependsOnon to ensure that the class providing the string bean is already initialized.