34 lines
848 B
Java
34 lines
848 B
Java
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package javax.annotation;
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import java.lang.annotation.Documented;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import javax.annotation.meta.TypeQualifier;
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import javax.annotation.meta.TypeQualifierValidator;
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import javax.annotation.meta.When;
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/**
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* The annotated element must not be null.
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* <p>
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* Annotated fields must not be null after construction has completed.
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* <p>
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* When this annotation is applied to a method it applies to the method return
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* value.
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*/
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@Documented
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@TypeQualifier
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@Retention(RetentionPolicy.RUNTIME)
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public @interface Nonnull {
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When when() default When.ALWAYS;
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class Checker implements TypeQualifierValidator<Nonnull> {
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public When forConstantValue(Nonnull qualifierArgument, Object value) {
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if (value == null)
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return When.NEVER;
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return When.ALWAYS;
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}
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}
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}
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