Package io.github.marcopaglio.booking.repository

Interface ClientRepository

All Known Implementing Classes:

ClientMongoRepository, ClientPostgresRepository

public interface ClientRepository

Facade of repository layer for Client entities.

Method Summary

Modifier and Type	Method	Description
void	delete(Client client)	Removes the unique specified client from the database, if it exists, otherwise it does nothing.
List<Client>	findAll()	Retrieves all the clients from the database in a list.
Optional<Client>	findById(UUID id)	Retrieves the unique client with the specified identifier from the database, if it exists.
Optional<Client>	findByName(String firstName, String lastName)	Retrieves the unique client with the specified name and surname from the database, if it exists.
Client	save(Client client)	Inserts a new Client in the database or saves changes of an existing one.

Method Details

findAll

List<Client> findAll()

Retrieves all the clients from the database in a list.

Returns:

the List of Clients found in the repository.

findById

Optional<Client> findById(UUID id)

Retrieves the unique client with the specified identifier from the database, if it exists.

Parameters:

id - the identifier of the client to find.

Returns:

an Optional contained the Client identified by id, if it exists; an Optional empty, otherwise.

findByName

Optional<Client> findByName(String firstName,
 String lastName)

Retrieves the unique client with the specified name and surname from the database, if it exists.

Parameters:

firstName - the name of the client to find.

lastName - the surname of the client to find.

Returns:

an Optional contained the Client named firstName and lastName, if it exists; an Optional empty, otherwise.

save

Client save(Client client)
     throws IllegalArgumentException,
UpdateFailureException,
NotNullConstraintViolationException,
UniquenessConstraintViolationException

Inserts a new Client in the database or saves changes of an existing one.

Parameters:

client - the client to save.

Returns:

the Client saved.

Throws:

IllegalArgumentException - if client is null.

UpdateFailureException - if the update fails.

NotNullConstraintViolationException - if a not-null constraint is violated.

UniquenessConstraintViolationException - if a uniqueness constraint is violated.

delete

void delete(Client client)
     throws IllegalArgumentException

Removes the unique specified client from the database, if it exists, otherwise it does nothing.

Parameters:

client - the client to delete.

Throws:

IllegalArgumentException - if client is null.