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Required (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.annotation
Annotation Type Required

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@Retention(value=RUNTIME)
@Target(value=METHOD)
public @interface Required

Marks a method (typically a JavaBean setter method) as being 'required': that is, the setter method must be configured to be dependency-injected with a value.

Please do consult the javadoc for the RequiredAnnotationBeanPostProcessor class (which, by default, checks for the presence of this annotation).

Since:

2.0

Author:

Rob Harrop

See Also:

RequiredAnnotationBeanPostProcessor

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