de.alpharogroup.service.domain

Interface DomainService<PK extends Serializable,DO extends DomainObject<PK>>

Type Parameters:

PK - the generic type of the primary key

DO - the generic type of the domain object

All Known Implementing Classes:

AbstractDomainService

public interface DomainService<PK extends Serializable,DO extends DomainObject<PK>>

The Interface DomainService provide methods for crud processes.

Method Summary

Modifier and Type	Method and Description
DO	create(DO domainObject) Creates an entity from the given domain object and persist it to the underlying database.
DO	delete(PK id) Deletes an entity with the given id.
boolean	exists(PK id) Checks if an entry exists with the given id.
List<DO>	findAll() Returns a list of all domain objects.
Collection<PK>	persist(Collection<DO> domainObjects) Persist all new domain objects in the given Collection.
DO	read(PK id) Read an entity with the given id and maps it to a domain object that will be returned.
DO	update(DO domainObject) Updates the given domain object to the underlying database.

Method Detail

create

DO create(DO domainObject)

Creates an entity from the given domain object and persist it to the underlying database.

Parameters:

domainObject - the domain object

Returns:

the domain object with the id from the entity.

delete

DO delete(PK id)

Deletes an entity with the given id.

Parameters:

id - the id

Returns:

the deleted entity as a domain object

exists

boolean exists(PK id)

Checks if an entry exists with the given id.

Parameters:

id - the id to check

Returns:

true, if an entry exists with the given id, otherwise false.

findAll

List<DO> findAll()

Returns a list of all domain objects.

Returns:

list of all domain objects

persist

Collection<PK> persist(Collection<DO> domainObjects)

Persist all new domain objects in the given Collection.

Parameters:

domainObjects - the Collection of domain objects to persist

Returns:

the Collection with the id's of the persisted objects

read

DO read(PK id)

Read an entity with the given id and maps it to a domain object that will be returned.

Parameters:

id - the id

Returns:

the domain object

update

DO update(DO domainObject)

Updates the given domain object to the underlying database.

Parameters:

domainObject - the domain object

Returns:

the updated domain object