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EntityController (JBoss Seam API Documentation) - JBoss Seam 1.2.0 API 英文版文档

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org.jboss.seam.framework
Class EntityController

java.lang.Object
  org.jboss.seam.framework.Controller
      org.jboss.seam.framework.PersistenceController<javax.persistence.EntityManager>
          org.jboss.seam.framework.EntityController

All Implemented Interfaces:

Serializable

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public class EntityController
extends PersistenceController<javax.persistence.EntityManager>

Base class for controller objects that perform persistence operations using JPA. Adds convenience methods for access to the JPA EntityManager.

Author:

Gavin King

See Also:

Serialized Form

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Constructor Summary
EntityController()

 

Method Summary
protected  javax.persistence.Query	createNamedQuery(String name)
protected  javax.persistence.Query	createQuery(String ejbql)
protected <T> T	find(Class<T> clazz, Object id)
protected  void	flush()
javax.persistence.EntityManager	getEntityManager()
protected  String	getPersistenceContextName()
protected <T> T	getReference(Class<T> clazz, Object id)
protected  void	lock(Object entity, javax.persistence.LockModeType lockMode)
protected <T> T	merge(T entity)
protected  void	persist(Object entity)
protected  void	refresh(Object entity)
protected  void	remove(Object entity)
void	setEntityManager(javax.persistence.EntityManager entityManager)

 

Methods inherited from class org.jboss.seam.framework.PersistenceController
getPersistenceContext, setPersistenceContext

 

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

addCookie, addFacesMessage, addFacesMessageFromResourceBundle, debug, debug, error, error, failValidation, fatal, fatal, getApplicationContext, getBusinessProcessContext, getComponentInstance, getComponentInstance, getConversation, getConversationContext, getCookie, getEventContext, getEvents, getFacesContext, getFacesMessages, getIdentity, getLog, getMessages, getMethodContext, getPageContext, getRedirect, getSessionContext, 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

EntityController

public EntityController()

Method Detail

getEntityManager

public javax.persistence.EntityManager getEntityManager()

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setEntityManager

public void setEntityManager(javax.persistence.EntityManager entityManager)

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getPersistenceContextName

protected String getPersistenceContextName()

Specified by:

getPersistenceContextName in class PersistenceController<javax.persistence.EntityManager>

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createNamedQuery

protected javax.persistence.Query createNamedQuery(String name)

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createQuery

protected javax.persistence.Query createQuery(String ejbql)

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find

protected <T> T find(Class<T> clazz,
                     Object id)

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flush

protected void flush()

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getReference

protected <T> T getReference(Class<T> clazz,
                             Object id)

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lock

protected void lock(Object entity,
                    javax.persistence.LockModeType lockMode)

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merge

protected <T> T merge(T entity)

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persist

protected void persist(Object entity)

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refresh

protected void refresh(Object entity)

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remove

protected void remove(Object entity)

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