DoctrineExtensions/tests/Gedmo/Tree/Fixture/Closure/Category.php

<?php

namespace Tree\Fixture\Closure;

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

/**
 * @Gedmo\Tree(type="closure")
 * @Gedmo\TreeClosure(class="Tree\Fixture\Closure\CategoryClosure")
 * @ORM\Entity(repositoryClass="Gedmo\Tree\Entity\Repository\ClosureTreeRepository")
 */
class Category
{
    /**
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue
     */
    private $id;

    /**
     * @ORM\Column(name="title", type="string", length=64)
     */
    private $title;

    /**
     * @ORM\Column(name="level", type="integer", nullable=true)
     * @Gedmo\TreeLevel
     */
    private $level;

    /**
     * @Gedmo\TreeParent
     * @ORM\JoinColumn(name="parent_id", referencedColumnName="id", onDelete="CASCADE")
     * @ORM\ManyToOne(targetEntity="Category", inversedBy="children")
     */
    private $parent;

    public function getId()
    {
        return $this->id;
    }

    public function setTitle($title)
    {
        $this->title = $title;
    }

    public function getTitle()
    {
        return $this->title;
    }

    public function setParent(Category $parent = null)
    {
        $this->parent = $parent;
    }

    public function getParent()
    {
        return $this->parent;
    }

    public function addClosure(CategoryClosure $closure)
    {
        $this->closures[] = $closure;
    }

    public function setLevel($level)
    {
        $this->level = $level;
    }

    public function getLevel()
    {
        return $this->level;
    }
}