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Working example of Symfony2 entities with Class Table Inheritance
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<?php | |
namespace UP\SocialBundle\Entity; | |
/** | |
* UP\SocialBundle\Entity\SocialBase | |
* @orm:Entity | |
* @orm:HasLifecycleCallbacks | |
* @orm:InheritanceType("JOINED") | |
* @orm:DiscriminatorColumn(name="class_name", type="string") | |
* @orm:DiscriminatorMap({ | |
* "UP\SocialBundle\Entity\Friendship" = "UP\SocialBundle\Entity\Friendship", | |
* "UP\SocialBundle\Entity\SocialFeedItem" = "UP\SocialBundle\Entity\SocialFeedItem" | |
* }) | |
*/ | |
abstract class SocialBase { | |
/** | |
* @orm:Id | |
* @orm:Column(type="integer") | |
* @orm:GeneratedValue | |
*/ | |
protected $id; | |
/** | |
* @orm:Column(type="datetime") | |
*/ | |
protected $created_at; | |
/** | |
* @orm:Column(type="datetime") | |
*/ | |
protected $updated_at; | |
/** | |
* @orm:ManyToMany(targetEntity="UP\SocialBundle\Entity\Tag") | |
* @orm:JoinTable(name="social_tags", | |
* joinColumns={@orm:JoinColumn(name="social_id", referencedColumnName="id")}, | |
* inverseJoinColumns={@orm:JoinColumn(name="tag_id", referencedColumnName="id")} | |
* ) | |
*/ | |
protected $tags; | |
/** | |
* @orm:OneToMany(targetEntity="UP\SocialBundle\Entity\Comment", mappedBy="root") | |
*/ | |
protected $comments; | |
public function __construct() | |
{ | |
$this->tags = new \Doctrine\Common\Collections\ArrayCollection(); | |
} | |
public function getId() | |
{ | |
return $this->id; | |
} | |
public function addTag(\UP\SocialBundle\Entity\Tag $tag) | |
{ | |
$this->tags[] = $tag; | |
} | |
public function getTags() | |
{ | |
return $this->tags; | |
} | |
public function addComment(\UP\SocialBundle\Entity\Comment $comment) | |
{ | |
$this->comments[] = $comment; | |
} | |
public function getComments() | |
{ | |
return $this->comments; | |
} | |
public function setCreatedAt(\DateTime $created_at) { | |
$this->created_at = $created_at; | |
} | |
public function getCreatedAt() { | |
return $this->created_at; | |
} | |
public function setUpdatedAt(\DateTime $updated_at) { | |
$this->updated_at = $updated_at; | |
} | |
public function getUpdatedAt() { | |
return $this->updated_at; | |
} | |
/** | |
* @orm:prePersist | |
*/ | |
public function prePersist() { | |
$this->setCreatedAt(new \DateTime()); | |
$this->setUpdatedAt(new \DateTime()); | |
} | |
/** | |
* @orm:preUpdate | |
*/ | |
public function preUpdate() { | |
$this->setUpdatedAt(new \DateTime()); | |
} | |
} |
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<?php | |
namespace UP\SocialBundle\Entity; | |
use UP\SocialBundle\Entity\SocialBase; | |
/** | |
* UP\SocialBundle\Entity\SocialFeedItem | |
* @orm:Entity | |
*/ | |
class SocialFeedItem extends SocialBase | |
{ | |
/** | |
* @orm:Column(type="string", nullable="true") | |
*/ | |
protected $user_message; | |
/** | |
* @orm:Column(type="string") | |
*/ | |
protected $system_message; | |
/** | |
* @orm:ManyToOne(targetEntity="UP\UserBundle\Entity\User", inversedBy="id") | |
*/ | |
protected $source_user; | |
/** | |
* @orm:ManyToOne(targetEntity="UP\UserBundle\Entity\User", inversedBy="id") | |
*/ | |
protected $target_user; | |
public function setUserMessage($userMessage) | |
{ | |
$this->user_message = $userMessage; | |
} | |
public function getUserMessage() | |
{ | |
return $this->user_message; | |
} | |
public function setSystemMessage($systemMessage) | |
{ | |
$this->system_message = $systemMessage; | |
} | |
public function getSystemMessage() | |
{ | |
return $this->system_message; | |
} | |
public function setSourceUser(\UP\UserBundle\Entity\User $sourceUser) | |
{ | |
$this->source_user = $sourceUser; | |
} | |
public function getSourceUser() | |
{ | |
return $this->source_user; | |
} | |
public function setTargetUser(\UP\UserBundle\Entity\User $targetUser = null) | |
{ | |
$this->target_user = $targetUser; | |
} | |
public function getTargetUser() | |
{ | |
return $this->target_user; | |
} | |
} |
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