Interface ProfileValidator
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- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface ProfileValidatorUsed to validate profiles and to apply acceptance rules. Bellow the example of usage :
The call the method like this to validate the profile p: GenericRejectionCause rejection = checkDuplicateInDatabaseValidator().validate(p, p.getName()); Check if rejection is present then do the resolutionprivate static ProfileValidator checkDuplicateInDatabaseValidator() { return (profile, profileIdentifier) -> { GenericRejectionCause rejection = null; boolean exist = ... exists in database?; if (exist) { rejection = GenericRejectionCause.rejectDuplicatedInDatabase(profileIdentifier); } return (rejection == null) ? Optional.empty() : Optional.of(rejection); }; }
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Nested Class Summary
Nested Classes Modifier and Type Interface Description static classProfileValidator.RejectionCauseRejection Cause
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.util.Optional<ProfileValidator.RejectionCause>validate(ProfileModel profile)Validate a profile object
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Method Detail
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validate
java.util.Optional<ProfileValidator.RejectionCause> validate(ProfileModel profile)
Validate a profile object- Parameters:
profile- to validate- Returns:
- empty optional if OK, Else return the rejection cause
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