@Override
public boolean isValid(DomainClass instance, ConstraintValidatorContext context) {
     // validation logic
     if (valid) {
         return true;
     } else {
        context.disableDefaultConstraintViolation();
        context.buildConstraintViolationWithTemplate(message)
                .addPropertyNode("locationName").addConstraintViolation();
        return false;
     }
}

@Override
public boolean isValid(DomainClass instance, ConstraintValidatorContext context) {
     // validation logic
     if (valid) {
         return true;
     } else {
        context.disableDefaultConstraintViolation();
        context.buildConstraintViolationWithTemplate(message)
                .addNode(/* Some awesome String */).addConstraintViolation();
        return false;
     }
}