Doctrine orm Symfony2形式与条令关系持续性问题
我有3个实体，它们的属性。 具有多个用户技能的用户，每个用户都有一个对应的技能 以下是实体：Doctrine orm Symfony2形式与条令关系持续性问题,doctrine-orm,relationship,symfony-forms,persist,Doctrine Orm,Relationship,Symfony Forms,Persist,我有3个实体，它们的属性。 具有多个用户技能的用户，每个用户都有一个对应的技能 以下是实体： /** * @ORM\Table(name="skills") * @ORM\Entity() */ class Skill { /** * @ORM\Column(name="id", type="integer") * @ORM\Id * @ORM\GeneratedValue(strategy="AUTO") */ private $i
/**
* @ORM\Table(name="skills")
* @ORM\Entity()
*/
class Skill
{
/**
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @ORM\Column(name="name", type="string", length=30, unique=true)
*/
private $name;
/**
* @ORM\Column(name="active", type="boolean")
* @var bool
*/
private $active = false;
/**
* @ORM\OneToMany(targetEntity="UserSkill", mappedBy="skill")
*/
private $userSkills;
}
/**
* @ORM\Table(name="user_skill")
* @ORM\Entity()
*/
class UserSkill
{
/**
* @ORM\Id
* @ORM\ManyToOne(targetEntity="User", inversedBy="skills")
* @var User
*/
private $user;
/**
* @ORM\Id
* @ORM\ManyToOne(targetEntity="Skill", inversedBy="userSkills")
* @var Skill
*/
private $skill;
/**
* @ORM\Column(type="integer")
* @var int
*/
private $level = 0;
}
/**
* StartupDriven\UserBundle\Entity\User
*
* @ORM\Table(name="users")
* @ORM\Entity(repositoryClass="StartupDriven\UserBundle\Entity\UserRepository")
*/
class User implements AdvancedUserInterface, \Serializable
{
/**
* @ORM\OneToMany(targetEntity="UserSkill", mappedBy="user")
* @var ArrayCollection
*/
private $skills;
}
$form->handleRequest($request);
if ($form->isValid()) {
/**
* @var User $user
*/
$user = $form->getData();
/**
* @var UserSkill $userSkill
*/
foreach ($user->getSkills() as $userSkill) {
// No updating skills... Only new ones.
if (!$userSkill->getId()) {
// Check skill name match.
if ($matched_skill = $em->getRepository('StartupDrivenUserBundle:Skill')->findOneBy(array('name' => $userSkill->getName()))) {
$userSkill->setSkill($matched_skill);
}
else {
// No match. Create new generic skill.
$em->persist($userSkill->getSkill());
// THE ERROR HAPPENS ON THE FOLLOWING LINE!
$em->flush();
}
// Set the User
$userSkill->setUser($user);
// Persist the user skill.
$em->persist($userSkill);
$em->flush();
}
}
$em->persist($user);
$em->flush();