我有一个问题,更新一个实体(它是相反的一面)的形式,而实体是正确更新与所有的数据,与它相关的其他实体不是,即在数据库中,他们的列引用的"主"实体保持null或数据保持不变。
代码如下:
class Offer
{
/**
* @var ArrayCollection
*
* @ORM'OneToMany(targetEntity="DealOption", mappedBy="offer", cascade={"persist"})
*/
private $dealOptions;
/**
* @var Event
*
* @ORM'OneToOne(targetEntity="Event", inversedBy="offer")
* @ORM'JoinColumn(name="event_id", referencedColumnName="id")
*/
private $event;
}
class DealOption
{
/**
* @var Offer
*
* @ORM'ManyToOne(targetEntity="Offer", inversedBy="dealOptions")
* @ORM'JoinColumn(name="offer_id", referencedColumnName="id", onDelete="SET NULL")
*/
private $offer;
}
class Event
{
/**
* @var Offer
*
* @ORM'OneToOne(targetEntity="Offer", mappedBy="event")
* @ORM'JoinColumn(name="offer_id", referencedColumnName="id", onDelete="SET NULL")
*/
private $offer;
和更新动作:
public function updateAction(Request $request, $id)
{
$em = $this->getDoctrine()->getManager();
$entity = $em->getRepository('AppBundle:Offer')->find($id);
if (!$entity) {
throw $this->createNotFoundException('Unable to find Offer.');
}
$deleteForm = $this->createDeleteForm($id);
$editForm = $this->createEditForm($entity);
$editForm->handleRequest($request);
if ($editForm->isValid()) {
$em->persist($entity);
$em->flush();
return $this->redirect($this->generateUrl('offer'));
}
return array(
'entity' => $entity,
'edit_form' => $editForm->createView(),
'delete_form' => $deleteForm->createView(),
);
}
根据我的研究和阅读类似的问题与文件,它应该是工作,但它没有,我怀疑一些基本的误解对我的一部分,这些关系应该如何表现,工作和定义,但到目前为止没有好的,没有成功。如有任何建议,我将不胜感激。
编辑- OfferFormBuilder:
class OfferType extends AbstractType
{
/**
* @param FormBuilderInterface $builder
* @param array $options
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('dealOptions')
->add('title')
->add('event')
->add('division')
;
}
null表示您没有正确地交叉引用对象。这是一个很常见的错误。
class Offer {
public function setEvent($event) {
$this->event = $event;
$event->setOffer($this); // *** This is what you are probably missing.