org.josef.web.jsf.bean.crud

Class AbstractCrudManyToOneEntityUsingSessionBean<T extends Persistable>

java.lang.Object

org.josef.web.jsf.bean.crud.AbstractCrudItemBean<T>

org.josef.web.jsf.bean.crud.AbstractCrudEntityBean<T>

org.josef.web.jsf.bean.crud.AbstractCrudManyToOneEntityBean<T>

org.josef.web.jsf.bean.crud.AbstractCrudManyToOneEntityUsingSessionBean<T>

Type Parameters:

T - The type of the Entities to maintain.

All Implemented Interfaces:

Serializable, Observer

public abstract class AbstractCrudManyToOneEntityUsingSessionBean<T extends Persistable>
extends AbstractCrudManyToOneEntityBean<T>

Super class for JSF Beans that perform CRUD actions (including searching and sorting) on a single JPA Entity, that is part of a many-to-one relation, by using a Stateless Session Bean that implements the CrudChildActions interface.

Version:

1.1 $Revision: 3786 $

Author:

Kees Schotanus

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.josef.web.jsf.bean.crud.AbstractCrudItemBean

AbstractCrudItemBean.DetailItemDelegate, AbstractCrudItemBean.SearchItemsDelegate

Constructor Summary

Constructors

Constructor and Description
AbstractCrudManyToOneEntityUsingSessionBean() Public constructor to make this a bean.

Method Summary

Modifier and Type	Method and Description
abstract CrudChildActions<T>	getController() Gets the Controller to maintain the Entities.
void	merge() Merges the Entity.
void	persist() Persists the Entity.
boolean	remove() Removes the Entity.
List<T>	searchItems() Called when a search needs to be executed.
T	selectItem(Object objectId) Selects the Entity identified by the supplied objectId.

Methods inherited from class org.josef.web.jsf.bean.crud.AbstractCrudManyToOneEntityBean

getParentId, newItemListener, setParentId

Methods inherited from class org.josef.web.jsf.bean.crud.AbstractCrudEntityBean

sort

Methods inherited from class org.josef.web.jsf.bean.crud.AbstractCrudItemBean

backToSearchItemsListener, getDetailDelegate, getItemObservable, getItemType, getSearchCriteria, getSearchDelegate, getSearchModePhaseListener, removeItemListener, resetSearchCriteriaListener, searchItemsListener, selectItemListener, submitItemListener, update

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractCrudManyToOneEntityUsingSessionBean

public AbstractCrudManyToOneEntityUsingSessionBean()

Public constructor to make this a bean.

Method Detail

getController

public abstract CrudChildActions<T> getController()

Gets the Controller to maintain the Entities.

Returns:

The Controller to maintain the Entities.

searchItems

public List<T> searchItems()

Called when a search needs to be executed.

Specified by:

searchItems in class AbstractCrudItemBean<T extends Persistable>

Returns:

The found Entities.

selectItem

public T selectItem(Object objectId)

Selects the Entity identified by the supplied objectId.

Specified by:

selectItem in class AbstractCrudItemBean<T extends Persistable>

Parameters:

objectId - The object ID of the Entity.
The supplied objectId must be non null and of type Long.

Returns:

The Entity with the supplied objectId or null when no such Entity exists.

Throws:

NullPointerException - When the supplied objectId is null.

AssertionError - When the supplied objectId is not of type Long.

persist

public void persist()

Persists the Entity.
Postcondition: When the persist fails, a JSF Message is added. Postcondition: When the persist is successful the mode is set to JsfBeanMode.UPDATE.

Specified by:

persist in class AbstractCrudItemBean<T extends Persistable>

merge

public void merge()

Merges the Entity.
Postcondition: When the merge fails, a JSF Message is added.

Specified by:

merge in class AbstractCrudItemBean<T extends Persistable>

remove

public boolean remove()

Removes the Entity.
Postcondition: When the remove fails, a JSF Message is added.

Specified by:

remove in class AbstractCrudItemBean<T extends Persistable>

Returns:

True when the removal was successful, otherwise false is returned.