Package io.github.marcopaglio.booking.repository.mongo

Class ClientMongoRepository

java.lang.Object

io.github.marcopaglio.booking.repository.mongo.MongoRepository<Client>

io.github.marcopaglio.booking.repository.mongo.ClientMongoRepository

All Implemented Interfaces:

ClientRepository

public class ClientMongoRepository
extends MongoRepository<Client>
implements ClientRepository

Implementation of repository layer through MongoDB for Client entities of the booking application.

Field Summary

Fields inherited from class io.github.marcopaglio.booking.repository.mongo.MongoRepository

collection, session

Constructor Summary

Constructors

Constructor	Description
ClientMongoRepository(com.mongodb.client.MongoClient client, com.mongodb.client.ClientSession session, String databaseName)	Constructs a repository layer for Client entities using MongoDB database.

Method Summary

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

Methods inherited from class io.github.marcopaglio.booking.repository.mongo.MongoRepository

getCollection

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ClientMongoRepository

public ClientMongoRepository(com.mongodb.client.MongoClient client,
 com.mongodb.client.ClientSession session,
 String databaseName)

Constructs a repository layer for Client entities using MongoDB database. The construction generates and configures a collection for using by the repository.

Parameters:

client - the MongoClient used to retrieve the collection.

session - the ClientSession used to communicate with MongoDB database.

databaseName - the name of the database in which the repository works.

Method Details

findAll

public List<Client> findAll()

Retrieves all the clients from the MongoDB database in a list.

Specified by:

findAll in interface ClientRepository

Returns:

the List of Clients found in the repository.

findById

public Optional<Client> findById(UUID id)

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

Specified by:

findById in interface ClientRepository

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

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

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

Specified by:

findByName in interface ClientRepository

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

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

Inserts a new Client in the MongoDB database or saves changes of an existing one. Note: a Client without an identifier is considered to be entered, while with the identifier it will be updated.

Specified by:

save in interface ClientRepository

Parameters:

client - the Client to save.

Returns:

the Client saved.

Throws:

IllegalArgumentException - if client is null.

UpdateFailureException - if you try to save changes of a no longer existing client.

NotNullConstraintViolationException - if firstName or lastName of client to save are null.

UniquenessConstraintViolationException - if id or [firstName, lastName] of client to save are already present.

delete

public void delete(Client client)
            throws IllegalArgumentException

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

Specified by:

delete in interface ClientRepository

Parameters:

client - the client to delete.

Throws:

IllegalArgumentException - if client is null.