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我想用manyToMany关系添加2个同一对象的实例。ManyToMany的2个实例用于同一类中的同一实体
class A {
/**
* @ORM\ManyToMany(targetEntity="RelatedEntity", inversedBy="teachers", cascade={"persist", "remove"})
* @ORM\JoinTable(name="table1",
* joinColumns={@ORM\JoinColumn(name="class_id", referencedColumnName="id")},
* inverseJoinColumns={@ORM\JoinColumn(name="related_id", referencedColumnName="id")}
* )
*/
protected $myFirstEntities;
/**
* @ORM\ManyToMany(targetEntity="RelatedEntity", inversedBy="students", cascade={"persist", "remove"})
* @ORM\JoinTable(name="table2",
* joinColumns={@ORM\JoinColumn(name="class_id", referencedColumnName="id")},
* inverseJoinColumns={@ORM\JoinColumn(name="related_id", referencedColumnName="id")}
* )
*/
protected $mySecondEntities;
}
class RelatedEntity
{
/**
*
* @ORM\ManyToMany(targetEntity="A", mappedBy="myFirstEntities", cascade={"persist"})
*/
protected $teachers;
/**
*
* @ORM\ManyToMany(targetEntity="A", mappedBy="mySecondEntities", cascade={"persist"})
*/
protected $students;
}
当我使用
php app/console doctrine:generate:entities MyApp
程序产生添加名为实体的唯一方法:
public function addRelatedEntity(\MyApp\MyBundle\Entity\RelatedEntity $myFirstEntities)
{
$this->myFirstEntities[] = $myFirstEntities;
}
这样我就可以“T加mySecondEntities我该怎么办。我有可能在手动方法中添加它,但是自动方法是不可能的?
我的问题是我可以使用2个特定类的多个关系到同一个类中吗?我该怎么做?