doctrine2/tests/Doctrine/Tests/Models/ECommerce/ECommerceCustomer.php

<?php

namespace Doctrine\Tests\Models\ECommerce;

/**
 * ECommerceCustomer
 * Represents a registered user of a shopping application.
 *
 * @author Giorgio Sironi
 * @Entity
 * @Table(name="ecommerce_customers")
 */
class ECommerceCustomer
{
    /**
     * @Column(type="integer")
     * @Id
     * @GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * @Column(type="string", length=50)
     */
    private $name;

    /**
     * @OneToOne(targetEntity="ECommerceCart", mappedBy="customer", cascade={"save"})
     */
    private $cart;
    
    public function getId() {
        return $this->id;
    }
    
    public function getName() {
        return $this->name;
    }
    
    public function setName($name) {
        $this->name = $name;
    }

    /**
     * @OneToMany(targetEntity="ECommerceProduct")
    public $watched;
     */

    public function setCart(ECommerceCart $cart)
    {
        if ($this->cart !== $cart) {
            $this->cart = $cart;
            $cart->setCustomer($this);   
        }
    }
    
    /* Does not properly maintain the bidirectional association! */
    public function brokenSetCart(ECommerceCart $cart) {
        $this->cart = $cart;
    }
    
    public function getCart() {
        return $this->cart;
    }

    public function removeCart()
    {
        if ($this->cart !== null) {
            $cart = $this->cart;
            $this->cart = null;
            if ($cart->getCustomer() !== null) {
                $cart->removeCustomer();
            }
        }
    }
}