com.daaso.jpa

Class EntityJpaControllerAbstract<E,F>

java.lang.Object

com.daaso.jpa.EntityJpaControllerAbstract<E,F>

Type Parameters:

E -

F -

All Implemented Interfaces:

Serializable

public abstract class EntityJpaControllerAbstract<E,F>
extends Object
implements Serializable

An abstract class adding to the Jpa Controller Class from Entities template in Netbeans. This is Java 7 and lower version.

Author:

Omar Abdel Bari

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EntityJpaControllerAbstract(javax.persistence.EntityManagerFactory emf, Class<E> entityClass) Constructor

Method Summary

Modifier and Type	Method and Description
void	create(E entity) Persists a new object using default parameters
void	create(E entity, EntityPersistenceProperties properties) Persists a new object
void	destroy(F id)
void	destroy(F id, EntityPersistenceProperties properties)
void	edit(E entity) Edits an existing entity
void	edit(E entity, EntityPersistenceProperties properties) Edits an existing entity
List<E>	findEntities()
List<E>	findEntities(EntityPersistenceProperties properties)
List<E>	findEntities(int maxResults, int firstResult)
List<E>	findEntities(int maxResults, int firstResult, EntityPersistenceProperties properties)
Optional<E>	findEntity(F id) Find the entity with the specified key.
int	getEntityCount() Get number of existing entities
javax.persistence.EntityManager	getEntityManager()
protected abstract F	getId(E entity) Users will be required to specify the method of retrieving primary key from this entity

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityJpaControllerAbstract

public EntityJpaControllerAbstract(javax.persistence.EntityManagerFactory emf,
                                   Class<E> entityClass)

Constructor

Parameters:

emf -

entityClass -

Method Detail

getEntityManager

public javax.persistence.EntityManager getEntityManager()

Returns:

getId

protected abstract F getId(E entity)

Users will be required to specify the method of retrieving primary key from this entity

Parameters:

entity -

Returns:

create

public void create(E entity)
            throws PreexistingEntityException,
                   IllegalArgumentException,
                   Exception

Persists a new object using default parameters

Parameters:

entity -

Throws:

PreexistingEntityException

IllegalArgumentException

Exception

create

public void create(E entity,
                   EntityPersistenceProperties properties)
            throws PreexistingEntityException,
                   IllegalArgumentException,
                   Exception

Persists a new object

Parameters:

entity -

properties -

Throws:

PreexistingEntityException

IllegalArgumentException

Exception

edit

public void edit(E entity)
          throws NonexistentEntityException,
                 Exception

Edits an existing entity

Parameters:

entity -

Throws:

NonexistentEntityException

Exception

edit

public void edit(E entity,
                 EntityPersistenceProperties properties)
          throws NonexistentEntityException,
                 Exception

Edits an existing entity

Parameters:

entity -

properties -

Throws:

NonexistentEntityException

Exception

destroy

public void destroy(F id)
             throws NonexistentEntityException,
                    RollbackFailureException,
                    Exception

Parameters:

id -

Throws:

NonexistentEntityException

RollbackFailureException

Exception

destroy

public void destroy(F id,
                    EntityPersistenceProperties properties)
             throws NonexistentEntityException,
                    RollbackFailureException,
                    Exception

Parameters:

id -

properties -

Throws:

NonexistentEntityException

RollbackFailureException

Exception

findEntities

public List<E> findEntities()

Returns:

findEntities

public List<E> findEntities(EntityPersistenceProperties properties)

Parameters:

properties -

Returns:

findEntities

public List<E> findEntities(int maxResults,
                            int firstResult)

Parameters:

maxResults -

firstResult -

Returns:

findEntities

public List<E> findEntities(int maxResults,
                            int firstResult,
                            EntityPersistenceProperties properties)

Parameters:

maxResults -

firstResult -

properties -

Returns:

findEntity

public Optional<E> findEntity(F id)

Find the entity with the specified key.

Parameters:

id -

Returns:

getEntityCount

public int getEntityCount()

Get number of existing entities

Returns: