javax.validation.constraints

Annotation Type Null

@Target(value={METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER,TYPE_USE})
 @Retention(value=RUNTIME)
 @Repeatable(value=Null.List.class)
 @Documented
 @Constraint(validatedBy={})
public @interface Null

The annotated element must be null. Accepts any type.

Author:

Emmanuel Bernard

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Class<?>[]	groups
String	message
Class<? extends Payload>[]	payload

Element Detail

message

public abstract String message

Default:

"{javax.validation.constraints.Null.message}"

groups

public abstract Class<?>[] groups

Default:

{}

payload

public abstract Class<? extends Payload>[] payload

Default:

{}