自定义springboot自动配置不检测bean

Question

@Configuration
@ConditionalOnClass({LibServer.class, LibClient.class})
@EnableConfigurationProperties(LibProperties.class)
public class LibAutoConfiguration {

    @Autowired
    LibProperties props;

    @Bean
    @ConditionalOnMissingBean(LibServer.class)
    public LibServer lbServ() {
        // create and configure a server object
    }

    @Bean
    @ConditionalOnMissingBean(LibClient.class)
    public LibClient lbClient() {
        //create and configure a client object
    }
}

本机Spring Boot自动配置（例如datasourceone)也可以检测主类中声明的bean（例如@bean注释的jdbctemplate方法）。

如何对主类中声明的bean进行正确的bean检测？

编辑

Answer 1

如果在application.properties(logging.level.org.springframework=debug)中设置debug的日志级别，您将注意到Spring将检测这两个定义。然而，您还将看到，这种情况发生的顺序可能与您预期的不一样，因为它首先从库配置实例化bean，然后从主类实例化bean，因此您得到了2个实例（删除了时间戳，使其更加友好）：

Bean定义

o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'autoConfigurationReport'
a.ConfigurationClassBeanDefinitionReader : Registering bean definition for @Bean method af.spring.boot.libbo.LibAutoConfiguration.lbServ()
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'org.springframework.boot.autoconfigure.condition.BeanTypeRegistry'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'autoConfigurationReport'
a.ConfigurationClassBeanDefinitionReader : Registering bean definition for @Bean method af.spring.boot.libbo.LibAutoConfiguration.lbClient()
a.ConfigurationClassBeanDefinitionReader : Registering bean definition for @Bean method af.DemoLibboApplication.libServ()
a.ConfigurationClassBeanDefinitionReader : Registering bean definition for @Bean method af.DemoLibboApplication.libClient()

Bean实例化

o.s.b.f.s.DefaultListableBeanFactory     : Creating shared instance of singleton bean 'lbServ'
o.s.b.f.s.DefaultListableBeanFactory     : Creating instance of bean 'lbServ'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'libAutoConfiguration'
Autoconfiguring LibServer
o.s.b.f.s.DefaultListableBeanFactory     : Eagerly caching bean 'lbServ' to allow for resolving potential circular references
o.s.b.f.s.DefaultListableBeanFactory     : Finished creating instance of bean 'lbServ'
o.s.b.f.s.DefaultListableBeanFactory     : Creating shared instance of singleton bean 'lbClient'
o.s.b.f.s.DefaultListableBeanFactory     : Creating instance of bean 'lbClient'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'libAutoConfiguration'
Autoconfiguring LibClient
o.s.b.f.s.DefaultListableBeanFactory     : Eagerly caching bean 'lbClient' to allow for resolving potential circular references
o.s.b.f.s.DefaultListableBeanFactory     : Finished creating instance of bean 'lbClient'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'lib.CONFIGURATION_PROPERTIES'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.store'
o.s.b.f.s.DefaultListableBeanFactory     : Creating shared instance of singleton bean 'libServ'
o.s.b.f.s.DefaultListableBeanFactory     : Creating instance of bean 'libServ'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'demoLibboApplication'
o.s.b.f.s.DefaultListableBeanFactory     : Eagerly caching bean 'libServ' to allow for resolving potential circular references
o.s.b.f.s.DefaultListableBeanFactory     : Finished creating instance of bean 'libServ'
o.s.b.f.s.DefaultListableBeanFactory     : Creating shared instance of singleton bean 'libClient'
o.s.b.f.s.DefaultListableBeanFactory     : Creating instance of bean 'libClient'
o.s.b.f.s.DefaultListableBeanFactory     : Returning cached instance of singleton bean 'demoLibboApplication'
o.s.b.f.s.DefaultListableBeanFactory     : Eagerly caching bean 'libClient' to allow for resolving potential circular references
o.s.b.f.s.DefaultListableBeanFactory     : Finished creating instance of bean 'libClient'

Positive matches:
-----------------
...
LibAutoConfiguration#lbClient matched
  - @ConditionalOnMissingBean (types: af.libbo.LibClient; SearchStrategy: all) found no beans (OnBeanCondition)

LibAutoConfiguration#lbServ matched
  - @ConditionalOnMissingBean (types: af.libbo.LibServer; SearchStrategy: all) found no beans (OnBeanCondition)
...

Negative matches:
-----------------
...
DemoLibboApplication#libClient did not match
  - @ConditionalOnMissingBean (types: af.libbo.LibServer; SearchStrategy: all) found the following [lbServ] (OnBeanCondition)

DemoLibboApplication#libServ did not match
  - @ConditionalOnMissingBean (types: af.libbo.LibServer; SearchStrategy: all) found the following [lbServ] (OnBeanCondition)
...