com.networknt.saga.customer.domain

Interface CustomerRepository

All Known Implementing Classes:

MapCustomerRepository

public interface CustomerRepository

Method Summary

Modifier and Type	Method and Description
long	count() Returns the number of entities available.
void	delete(Long id) Deletes the entity with the given id.
void	deleteAll() Deletes all entities managed by the repository.
boolean	exists(Long id) Returns whether an entity with the given id exists.
Map<Long,Customer>	findAll() Returns all instances of the type.
Customer	findOne(Long id) Retrieves an entity by its id.
<S extends Customer> S	save(S entity) Saves a given entity.

Method Detail

save

<S extends Customer> S save(S entity)

Saves a given entity. Use the returned instance for further operations as the save operation might have changed the entity instance completely.

Type Parameters:

S - the generic type

Parameters:

entity - that is saved

Returns:

S the saved entity

findOne

Customer findOne(Long id)

Retrieves an entity by its id.

Parameters:

id - must not be null.

Returns:

the entity with the given id or null if none found

Throws:

IllegalArgumentException - if id is null

exists

boolean exists(Long id)

Returns whether an entity with the given id exists.

Parameters:

id - must not be null.

Returns:

true if an entity with the given id exists, false otherwise

Throws:

IllegalArgumentException - if id is null

findAll

Map<Long,Customer> findAll()

Returns all instances of the type.

Returns:

all entities

count

long count()

Returns the number of entities available.

Returns:

the number of entities

delete

void delete(Long id)

Deletes the entity with the given id.

Parameters:

id - must not be null.

Throws:

IllegalArgumentException - in case the given id is null

deleteAll

void deleteAll()

Deletes all entities managed by the repository.