On 13 Jan 2017, at 18:54, Matt Benson <mbenson@apache.org> wrote:

As I warned, however, defining these might become tedious. It might be helpful to define a mechanism (like that supported by Spring) to map annotation elements:

@Size

@ConstraintsApplyTo(WRAPPED_VALUE)

@Constraint

public @interface WrappedSize {

  @MapTo(type=Size.class, attribute="min")

  int min() default 0;

  @MapTo(type=Size.class, attribute="max")

  int max() default Integer.MAX_VALUE;

  String message() default "";

  Class<?> groups() default {};

  Class<? extends Payload>[] payload() default {};

}

@Size(1) @WrappedSize(min=3) StringList nicknames;

If you mean something like @MapTo, the spec already has that via @OverridesAttribute

AFAIK we invented it.

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