所以我有两个类,它们之间有OneToMany和ManyToOne关系:
namespace RM\Entity;
use Doctrine\Common\Collections\ArrayCollection;
/**
* @Table(name="users")
* @Entity
* @author Csabi
*/
class User {
/**
* @Id
* @Column(name="id", type="integer", nullable=false)
* @GeneratedValue(strategy="IDENTITY")
* @OneToMany(targetEntity="JobListing", mappedBy="ownerId", orphanRemoval=true)
*/
private $id;
/**
* @var string $displayname
* @Column(type="string", nullable=false)
*/
private $displayname;
}
和
namespace RM\Entity;
use Doctrine\Common\Collections\ArrayCollection;
/**
* @Table(name="job_listings")
* @Entity(repositoryClass="RM\Entity\Repository\JobListingRepository")
* @author Csabi
*/
class JobListing {
/**
* @var integer $id
* @Column(name="id", type="integer", nullable=false)
* @Id
* @GeneratedValue(strategy="IDENTITY")
*/
private $id;
/**
* @var User
* @ManyToOne(targetEntity="User",cascade={"persist"})
* @JoinColumns({
* @JoinColumn(name="ownerId", referencedColumnName="id", nullable=false)
* })
*/
private $ownerId;
但是,在保存JobListing时,on persist会抛出以下错误:
Application error
Exception information:
Message: Class does not exist
Stack trace:
#0 library\Doctrine\ORM\Mapping\ClassMetadata.php(67): ReflectionClass->__construct(false)
#1 library\Doctrine\ORM\Mapping\ClassMetadataFactory.php(350): Doctrine\ORM\Mapping\ClassMetadata->__construct(false)
#2 library\Doctrine\ORM\Mapping\ClassMetadataFactory.php(260): Doctrine\ORM\Mapping\ClassMetadataFactory->newClassMetadataInstance(false)
#3 library\Doctrine\ORM\Mapping\ClassMetadataFactory.php(169): Doctrine\ORM\Mapping\ClassMetadataFactory->loadMetadata(false)
#4 library\Doctrine\ORM\EntityManager.php(247): Doctrine\ORM\Mapping\ClassMetadataFactory->getMetadataFor(false)
#5 library\Doctrine\ORM\UnitOfWork.php(1222): Doctrine\ORM\EntityManager->getClassMetadata(false)
#6 library\Doctrine\ORM\UnitOfWork.php(1678): Doctrine\ORM\UnitOfWork->doPersist(1, Array)
#7 library\Doctrine\ORM\UnitOfWork.php(1252): Doctrine\ORM\UnitOfWork->cascadePersist(Object(RM\Entity\JobListing), Array)
#8 library\Doctrine\ORM\UnitOfWork.php(1201): Doctrine\ORM\UnitOfWork->doPersist(Object(RM\Entity\JobListing), Array)
#9 library\Doctrine\ORM\EntityManager.php(454): Doctrine\ORM\UnitOfWork->persist(Object(RM\Entity\JobListing))
#10 library\RM\Entity\JobListingService.php(54): Doctrine\ORM\EntityManager->persist(Object(RM\Entity\JobListing))
#11 application\controllers\JobListingController.php(28): RM\Entity\JobListingService->saveJobListing(Object(RM\Entity\JobListing))
#12 library\Zend\Controller\Action.php(516): JobListingController->addAction()
我在这里想念的是什么?
2 回答
您无法在主键上定义关系 . 尝试在User类中添加另一个字段:
问题实际上是我试图保存的对象 . 我没有将整个User Entity传递给ownerId,只传递了用户的id .
所以当方法
被称为它实际上是试图保存数字而不是用户实体 .
这就是抛出错误“Class not found”的原因,因为没有类“1” .