Chciałe dodać rekord do tabeli stworzonej zgodnie z manualem 6.6. One-To-Many, Bidirectional?

[SQL] pobierz, plaintext 
CREATE TABLE Product (
    id INT AUTO_INCREMENT NOT NULL,
    PRIMARY KEY(id)
) ENGINE = InnoDB;
CREATE TABLE Feature (
    id INT AUTO_INCREMENT NOT NULL,
    product_id INT DEFAULT NULL,
    PRIMARY KEY(id)
) ENGINE = InnoDB;
ALTER TABLE Feature ADD FOREIGN KEY (product_id) REFERENCES Product(id);
[SQL] pobierz, plaintext 

[PHP] pobierz, plaintext 
<?php
/** @Entity **/
class Product
{
    // ...
    /**
     * @OneToMany(targetEntity="Feature", mappedBy="product")
     **/
    private $features;
    // ...
 
    public function __construct() {
        $this->features = new \Doctrine\Common\Collections\ArrayCollection();
    }
}
 
/** @Entity **/
class Feature
{
    // ...
    /**
     * @ManyToOne(targetEntity="Product", inversedBy="features")
     * @JoinColumn(name="product_id", referencedColumnName="id")
     **/
    private $product;
    // ...
 
function set_product($data){
$this->product = $data;
}
 
}
[PHP] pobierz, plaintext 

Jak mam dodać now rekord do klasy Feature ? Jak ustawić zmienną $product ?

[PHP] pobierz, plaintext 
            $Feature = new models\Feature;
            $Feature ->set_product(2);                         
            $em->persist($Feature);
            $em->flush()    ;
[PHP] pobierz, plaintext 

Jak tak zrobie to dostaje error

[PHP] pobierz, plaintext 
A PHP Error was encountered
 
Severity: Warning
 
Message: spl_object_hash() expects parameter 1 to be object, integer given
 
Filename: ORM/UnitOfWork.php
 
Line Number: 1318
A PHP Error was encountered
 
Severity: Warning
 
Message: spl_object_hash() expects parameter 1 to be object, integer given
 
Filename: ORM/UnitOfWork.php
 
Line Number: 734
A PHP Error was encountered
 
Severity: Warning
 
Message: get_class() expects parameter 1 to be object, integer given
 
Filename: ORM/UnitOfWork.php
 
Line Number: 738
 
 
( ! ) Fatal error: Uncaught exception 'Doctrine\ORM\ORMException' with message 'Found entity of type on association models\Feature#product, but expecting models\Product' in C:\wamp\www\ideaWeb_CMS_doctrine\app\libraries\Doctrine\ORM\UnitOfWork.php on line 737
( ! ) Doctrine\ORM\ORMException: Found entity of type on association models\Feature#product, but expecting models\Product in C:\wamp\www\ideaWeb_CMS_doctrine\app\libraries\Doctrine\ORM\UnitOfWork.php on line 737
[PHP] pobierz, plaintext 

No chyba że stworze całkeim inna klase która nię bedzie miałą żadnych relacji i wtedy bede mogł dodac rekord normalnie ale to chyba nie tak powinno sie robić...

Cesze powinieneś ustawić jakiś produkt, a tymczasem wstawiasz tam liczbę 2 - nie uważasz, że to trochę bez sensu?

Fakt nie mysle dzięki