我试图保存级联一些对象并检索它。我有3个对象超过3个实体。
实体:
class Order
{
/**
* @var integer $id
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
protected $id;
/**
* @var object $basket
*
* @ORM\OneToOne(targetEntity="Entity\Basket", inversedBy="order")
*/
protected $basket;
...
}
class Basket
{
/**
* @var integer $id
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
protected $id;
/**
* @var array $declinations
*
* @ORM\OneToMany(targetEntity="Entity\BasketDeclination", mappedBy="basket")
*/
protected $declinations;
/**
* Order owner (reversed side)
*
* @var OrderClient $order
*
* @ORM\OneToOne(targetEntity="Entity\Order", mappedBy="basket")
*/
protected $order;
...
}
class BasketDeclination
{
/**
* @var integer $id
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
protected $id;
/**
* @var integer $basket
*
* @ORM\ManyToOne(targetEntity="Entity\Basket", inversedBy="declinations")
*/
protected $basket;
...
}
实体上的对象:
class OrderObject
{
function __construct(
EntityManager $em,
Order $entity = null,
BasketObject $basket = null
)
{
$this->em = $em;
if (!$entity) {
$this->entity = new Order();
$this->basket = $basket;
} else {
$this->setDataFromEntity($entity);
}
}
protected function setDataFromEntity(Order $entity)
{
$basketFactory = new BasketFactory($this->em);
$this->entity = $entity;
$this->basket = $basketFactory->getBasket($entity->getBasket()->getId());
}
public function save($flush = false)
{
// save subObject
$this->basket->save();
// set link
$this->entity->setBasket($this->basket->getEntity());
$this->em->persist($this->entity);
if ($flush) {
$this->em->flush();
}
}
public function refresh()
{
$this->em->refresh($this->entity);
$this->setDataFromEntity($this->entity);
}
...
}
class BasketObject
{
function __construct(EntityManager $em, Basket $entity = null)
{
$this->em = $em;
if (!$entity) {
$this->entity = new Basket();
$this->declinations = array();
} else {
$this->setDataFromEntity($entity);
}
}
protected function setDataFromEntity(Basket $entity)
{
$this->entity = $entity;
$this->declinations = array();
foreach ($entity->getDeclinations() as $declination) {
$this->declinations[] = new BasketDeclinationObject($this->em, $declination);
}
}
public function save($flush = false)
{
foreach ($this->declinations as $declination) {
$declination->save();
}
$this->em->persist($this->entity);
if ($flush) {
$this->em->flush();
}
}
...
}
class BasketDeclinationObject
{
public function __construct(
EntityManager $em,
BasketDeclination $entity= null,
BasketObject $basket = null)
{
$this->em = $em;
if (!$entity) {
$this->entity = new BasketDeclination();
$this->basket = $basket;
} else {
$this->setDataFromEntity($entity);
}
}
protected function setDataFromEntity(BasketDeclination $entity)
{
$this->entity = $entity;
$declinationFactory = new DeclinationFactory($this->em);
$this->declination = $declinationFactory->getDeclination($entity->getDeclination()->getId());
}
public function save($flush = false)
{
if ($this->quantity <= 0) {
$this->em->remove($this->entity);
$this->remove = true;
return ;
}
if (!$this->entity->getId()) {
$this->entity->setBasket($this->basket->getEntity());
}
$this->entity->setQuantity($this->quantity);
$this->em->persist($this->entity);
if ($flush) {
$this->em->flush();
}
}
...
}
问题是,在我的测试中,当我尝试一个篮子添加BasketDeclination然后保存篮子保存和BasketDeclination也。然后当我$ basket-> refresh()时,篮子刷新并且BasketDeclinaiton从实体重建
但是,当我有一个篮子的订单,我添加BasketDeclinaiton($ order-> basket-> addDeclination(...))当我保存所有实体都保存然后当我刷新订单时,我收到订单和篮子。但实体$ basket-> getDeclinations()没有任何东西
我做错了什么?
我记得这个来自doctrine1,不确定这里是否同样适用,在doctrine1刷新只刷新第一个直接对象,处理关系和你需要添加第二个参数deep = true
以处理所有相关对象的东西,你可以试试看这样的事情。
如果问题确实是实体经理不是refresh
ing关联(由Mohammad AbuShady建议),那么告诉你的实体级联refresh
操作的答案。
class Basket
{
// ...
/**
* @var array $declinations
*
* @ORM\OneToMany(
* targetEntity="Entity\BasketDeclination",
* mappedBy="basket",
* cascade={"refresh"} // THIS LINE ADDED
* )
*/
protected $declinations;
// ...
...
}
我会两个猜测:
persist()
或flush()
。如果你没有级联,你需要在你想要保留的每个对象上调用它们,然后调用refresh()
方法。(在使用嵌套对象时,检查代理是否已创建并正常工作总是一个好主意)