php - Doctrine2 从特征中复制属性和方法

Question

我有一个实体，我想在其中使用特征“TimestampableEntity”来映射一些属性:

namespace Wbudowie\PortalBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Gedmo\Mapping\Annotation as Gedmo;
use Wbudowie\PortalBundle\Traits\TimestampableEntity;

/**
 * Category
 * 
 * @Gedmo\Tree(type="materializedPath")
 * @Gedmo\SoftDeleteable(fieldName="deletedAt", timeAware=false)
 * @ORM\Table(name="categories")
 * @ORM\Entity(repositoryClass="CategoryRepository")
 */
class Category {

    use TimestampableEntity;

    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="IDENTITY")
     */
    private $id;

这是我的 TimestampableEntity 特征:

namespace Wbudowie\PortalBundle\Traits;

use Doctrine\ORM\Mapping as ORM;
use Gedmo\Mapping\Annotation as Gedmo;

trait TimestampableEntity {

    /**
     * @var \DateTime
     *
     * @Gedmo\Timestampable(on="create")
     * @ORM\Column(name="created_at", type="datetime")
     */
    private $createdAt;

    /**
     * @var \DateTime
     *
     * @Gedmo\Timestampable(on="update")
     * @ORM\Column(name="edited_at", type="datetime", nullable=true)
     */
    private $editedAt;

    /**
     * @var \DateTime
     * @ORM\Column(name="deleted_at",type="datetime", nullable=true)
     */
    private $deletedAt;

    /**
     * @var boolean
     *
     * @ORM\Column(name="is_active", type="boolean")
     */
    private $isActive;

    /**
     * Sets createdAt.
     *
     * @param  \DateTime $createdAt
     * @return $this
     */
    public function setCreatedAt(\DateTime $createdAt) {
        $this->createdAt = $createdAt;

        return $this;
    }

    /**
     * Returns createdAt.
     *
     * @return \DateTime
     */
    public function getCreatedAt() {
        return $this->createdAt;
    }

    /**
     * Sets updatedAt.
     *
     * @param  \DateTime $updatedAt
     * @return $this
     */
    public function setUpdatedAt(\DateTime $updatedAt) {
        $this->updatedAt = $updatedAt;

        return $this;
    }

    /**
     * Returns updatedAt.
     *
     * @return \DateTime
     */
    public function getUpdatedAt() {
        return $this->updatedAt;
    }

    /**
     * Sets deletedAt.
     *
     * @param \Datetime|null $deletedAt
     * 
     * @return $this
     */
    public function setDeletedAt(\DateTime $deletedAt = null) {
        $this->deletedAt = $deletedAt;

        return $this;
    }

    /**
     * Returns deletedAt.
     *
     * @return \DateTime
     */
    public function getDeletedAt() {
        return $this->deletedAt;
    }

    /**
     * Is deleted?
     * 
     * @return bool
     */
    public function isDeleted() {
        return null !== $this->deletedAt;
    }

    /**
     * Set isActive
     *
     * @param boolean $isActive
     * @return $this
     */
    public function setIsActive($isActive) {
        $this->isActive = $isActive;

        return $this;
    }

    /**
     * Get isActive
     *
     * @return boolean 
     */
    public function getIsActive() {
        return $this->isActive;
    }

}

当我在我的实体上运行 php bin/console doctrine:generate:entities Wbudowie\PortalBundle 时，添加了以下代码:

/**
 * @var \DateTime
 */
private $createdAt;

/**
 * @var \DateTime
 */
private $editedAt;

/**
 * @var \DateTime
 */
private $deletedAt;

/**
 * @var boolean
 */
private $isActive;


/**
 * Set createdAt
 *
 * @param \DateTime $createdAt
 * @return Category
 */
public function setCreatedAt($createdAt)
{
    $this->createdAt = $createdAt;

    return $this;
}

/**
 * Get createdAt
 *
 * @return \DateTime 
 */
public function getCreatedAt()
{
    return $this->createdAt;
}

/**
 * Set editedAt
 *
 * @param \DateTime $editedAt
 * @return Category
 */
public function setEditedAt($editedAt)
{
    $this->editedAt = $editedAt;

    return $this;
}

/**
 * Get editedAt
 *
 * @return \DateTime 
 */
public function getEditedAt()
{
    return $this->editedAt;
}

/**
 * Set deletedAt
 *
 * @param \DateTime $deletedAt
 * @return Category
 */
public function setDeletedAt($deletedAt)
{
    $this->deletedAt = $deletedAt;

    return $this;
}

/**
 * Get deletedAt
 *
 * @return \DateTime 
 */
public function getDeletedAt()
{
    return $this->deletedAt;
}

/**
 * Set isActive
 *
 * @param boolean $isActive
 * @return Category
 */
public function setIsActive($isActive)
{
    $this->isActive = $isActive;

    return $this;
}

/**
 * Get isActive
 *
 * @return boolean 
 */
public function getIsActive()
{
    return $this->isActive;
}

在那之后，当我尝试做任何事情时，我都会收到这个错误，所以我必须删除生成的代码:

Runtime Notice: Wbudowie\PortalBundle\Entity\Category and Wbudowie\PortalBundle\Traits\TimestampableEntity define the same property ($createdAt) in the composition of Wbudowie\PortalBundle\Entity\Category. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed in /mnt/DANE/projekty/wbudowie/src/Wbudowie/PortalBundle/Entity/Category.php line 607

怎么了？我正在使用 PHP 5.5.9、Doctrine 2.4.* 和 Symfony 2.5.*

---

编辑:这是学说错误。它是固定的，但不是在 2.4.x 版本中。

https://github.com/doctrine/doctrine2/pull/632

https://github.com/doctrine/doctrine2/pull/763

Answer 1

Here

这就是您实现目标可能需要的全部内容。

并根据this ，这是你无能为力的事情。只是不要使用生成实体 :)