Package nl.gx.webmanager.services.entitymanager

Interface PersistenceContextEntityManager

All Superinterfaces:

EntityManager

public interface PersistenceContextEntityManager
extends EntityManager

Method Summary

Modifier and Type	Method	Description
<T> void	delete(T entity, PersistenceContext persistenceContext)	Deletes an entity from the persistence backend
Object	find(WmId primaryKey, PersistenceContext persistenceContext)	Looks up an entity by its id
<T> T	persist(T entity, PersistenceContext persistenceContext)	Persists an entity which is not yet persisted (i.e.
void	registerEntityDomainClass(EntityDomain entityDomain, String classname)	Meant to be called from EntityDomain in order to create a mapping from classnames to EntityDomains.
<T> T	save(T entity, PersistenceContext persistenceContext)	Saves an entity that was persisted before (i.e.
void	unregisterEntityDomainClass(String classname)	Meant to be called from EntityDomain in order to update the mapping from classnames to EntityDomains.

Methods inherited from interface nl.gx.webmanager.services.entitymanager.EntityManager

copy, delete, find, getAll, getId, getInstance, getInstance, getWmId, isManageable, persist, removeProperty, save

Method Detail

find

Object find(WmId primaryKey,
            PersistenceContext persistenceContext)

Looks up an entity by its id

Parameters:

primaryKey - the id identifying the entity to load

persistenceContext -

Returns:

the requested entity or null if it wasn't found

persist

<T> T persist(T entity,
              PersistenceContext persistenceContext)

Persists an entity which is not yet persisted (i.e. which doesn't have its' WmId filled in yet)

Type Parameters:

T - The type of the entity to persist

Parameters:

entity - The entity to persist

persistenceContext -

Returns:

The persisted entity with its WmId filled in.

delete

<T> void delete(T entity,
                PersistenceContext persistenceContext)
         throws DomainException

Deletes an entity from the persistence backend

Type Parameters:

T - The type of the entity to delete

Parameters:

entity - The entity to be deleted

persistenceContext -

Throws:

DomainException - when something went wrong while deleting the entity

save

<T> T save(T entity,
           PersistenceContext persistenceContext)
    throws DomainException

Saves an entity that was persisted before (i.e. which does have its' WmId filled in)

Type Parameters:

T - The type of the entity to persist

Parameters:

entity - The entity to persist

persistenceContext -

Returns:

The entity

Throws:

DomainException - when something went wrong while saving the entity

registerEntityDomainClass

void registerEntityDomainClass(EntityDomain entityDomain,
                               String classname)

Meant to be called from EntityDomain in order to create a mapping from classnames to EntityDomains.

Parameters:

entityDomain - the EntityDomain which can handle entities of the specified class

classname - the name of a Class the EntityDomain can handle

unregisterEntityDomainClass

void unregisterEntityDomainClass(String classname)

Meant to be called from EntityDomain in order to update the mapping from classnames to EntityDomains.

Parameters:

classname - the classname to unregister