org.jboss.seam.ui
Class AbstractEntityLoader<T>

java.lang.Object
  org.jboss.seam.framework.Controller
      org.jboss.seam.framework.PersistenceController<T>
          org.jboss.seam.ui.AbstractEntityLoader<T>

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

HibernateEntityLoader, JpaEntityLoader

public abstract class AbstractEntityLoader<T>
extends org.jboss.seam.framework.PersistenceController<T>

Helper class to load entities for the entity converter

Author:

Pete Muir

See Also:

Serialized Form

Constructor Summary

AbstractEntityLoader()

Method Summary

protected abstract org.jboss.seam.framework.Identifier	createIdentifier(Object entity)
Object	get(String key) Load and return the entity stored
static AbstractEntityLoader	instance()
String	put(Object entity) Store an entity id/clazz
abstract void	validate()

Methods inherited from class org.jboss.seam.framework.PersistenceController

getPersistenceContext, getPersistenceContextName, setPersistenceContext

Methods inherited from class org.jboss.seam.framework.Controller

addCookie, addFacesMessage, addFacesMessageFromResourceBundle, createValueExpression, createValueExpression, debug, debug, error, error, evaluateValueExpression, evaluateValueExpression, failValidation, fatal, fatal, getApplicationContext, getBusinessProcessContext, getComponentInstance, getComponentInstance, getConversation, getConversationContext, getCookie, getEventContext, getEvents, getFacesContext, getFacesMessages, getIdentity, getLog, getMessages, getMethodContext, getPageContext, getRedirect, getSessionContext, getStatusMessages, getValidator, getValidator, info, info, interpolate, invalidateSession, isTransactionMarkedRollback, raiseAsynchronousEvent, raiseEvent, raiseTransactionSuccessEvent, render, sendHttpError, sendHttpError, trace, trace, validationFailed, validationSucceeded, warn, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractEntityLoader

public AbstractEntityLoader()

Method Detail

get

@Transactional
public Object get(String key)

Load and return the entity stored

Parameters:

key -

Returns:

The entity or null if no entity is available at that key

put

@Transactional
public String put(Object entity)

Store an entity id/clazz

Parameters:

entity - The entity to store

Returns:

The key under which the clazz/id are stored

createIdentifier

protected abstract org.jboss.seam.framework.Identifier createIdentifier(Object entity)

validate

public abstract void validate()

instance

public static AbstractEntityLoader instance()