javax.validation.ConstraintTarget Maven / Gradle / Ivy
/*
* Bean Validation API
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or .
*/
package javax.validation;
/**
* Defines the constraint target.
*
* @author Emmanuel Bernard
* @since 1.1
*/
public enum ConstraintTarget {
/**
* Discover the type when no ambiguity is present
*
* - if neither on a method nor a constructor, it implies the annotated element
* (type, field etc),
* - if on a method or constructor with no parameter, it implies
* {@code RETURN_VALUE},
* - if on a method with no return value ({@code void}), it implies
* {@code PARAMETERS}.
*
* Otherwise, {@code IMPLICIT} is not accepted and either {@code RETURN_VALUE} or
* {@code PARAMETERS} is required. This is the case for constructors with parameters
* and methods with parameters and return value.
*/
IMPLICIT,
/**
* Constraint applies to the return value of a method or a constructor.
*/
RETURN_VALUE,
/**
* Constraint applies to the parameters of a method or a constructor
*/
PARAMETERS
}
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