org.springframework.boot.autoconfigure.condition

Annotation Type ConditionalOnMissingBean

@Target(value={TYPE,METHOD})
 @Retention(value=RUNTIME)
 @Documented
public @interface ConditionalOnMissingBean

Conditional that only matches when the specified bean classes and/or names are not already contained in the BeanFactory.

Author:

Phillip Webb, Andy Wilkinson

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Class<? extends Annotation>[]	annotation The annotation type decorating a bean that should be checked.
Class<?>[]	ignored The class type of beans that should be ignored when identifying matching beans.
String[]	ignoredType The class type names of beans that should be ignored when identifying matching beans.
String[]	name The names of beans to check.
SearchStrategy	search Strategy to decide if the application context hierarchy (parent contexts) should be considered.
String[]	type The class type names of bean that should be checked.
Class<?>[]	value The class type of bean that should be checked.

Element Detail

value

public abstract Class<?>[] value

The class type of bean that should be checked. The condition matches when each class specified is missing in the ApplicationContext.

Returns:

the class types of beans to check

Default:

{}

type

public abstract String[] type

The class type names of bean that should be checked. The condition matches when each class specified is missing in the ApplicationContext.

Returns:

the class type names of beans to check

Default:

{}

ignored

public abstract Class<?>[] ignored

The class type of beans that should be ignored when identifying matching beans.

Returns:

the class types of beans to ignore

Since:

1.2.5

Default:

{}

ignoredType

public abstract String[] ignoredType

The class type names of beans that should be ignored when identifying matching beans.

Returns:

the class type names of beans to ignore

Since:

1.2.5

Default:

{}

annotation

public abstract Class<? extends Annotation>[] annotation

The annotation type decorating a bean that should be checked. The condition matches when each annotation specified is missing from all beans in the ApplicationContext.

Returns:

the class-level annotation types to check

Default:

{}

name

public abstract String[] name

The names of beans to check. The condition matches when each bean name specified is missing in the ApplicationContext.

Returns:

the name of beans to check

Default:

{}

search

public abstract SearchStrategy search

Strategy to decide if the application context hierarchy (parent contexts) should be considered.

Returns:

the search strategy

Default:

org.springframework.boot.autoconfigure.condition.SearchStrategy.ALL