Annotation Interface的使用
cn.taketoday.context.annotation.Conditional

使用Conditional的程序包

程序包	说明
cn.taketoday.context.annotation
cn.taketoday.context.condition	@Condition annotations and supporting classes.

cn.taketoday.context.annotation中Conditional的使用

注释类型为Conditional的cn.taketoday.context.annotation中的类

修饰符和类型	类	说明
@interface	Profile	Indicates that a component is eligible for registration when one or more specified profiles are active.

cn.taketoday.context.condition中Conditional的使用

注释类型为Conditional的cn.taketoday.context.condition中的类

修饰符和类型	类	说明
@interface	ConditionalOnBean	@Conditional that only matches when beans meeting all the specified requirements are already contained in the BeanFactory.
@interface	ConditionalOnClass	@Conditional that only matches when the specified classes are on the classpath.
@interface	ConditionalOnExpression	annotation for a conditional element that depends on the value of a Java Unified Expression Language
@interface	ConditionalOnJava	@Conditional that matches based on the JVM version the application is running on.
@interface	ConditionalOnJndi	@Conditional that matches based on the availability of a JNDI InitialContext and the ability to lookup specific locations.
@interface	ConditionalOnMissingBean	@Conditional that only matches when no beans meeting the specified requirements are already contained in the BeanFactory.
@interface	ConditionalOnMissingClass	Conditional that only matches when the specified classes are not on the classpath.
@interface	ConditionalOnProperty	@Conditional that checks if the specified properties have a specific value.
@interface	ConditionalOnResource	Conditional that only matches when the specified resources are exits
@interface	ConditionalOnSingleCandidate	@Conditional that only matches when a bean of the specified class is already contained in the BeanFactory and a single candidate can be determined.