[FLOW3-general] Doctrine ArrayCollection/PersistentCollection

[Heiko Kromm | Paints]

Hi list, 

I've a problem with my model properties of type \Doctrine\Common\Collections\ArrayCollection. 
When I use my getter the returned value is of type \Doctrine\ORM\PersistentCollection and therefore I can't use the ArrayCollection functions on my returned value. 

In my model I've my property: 
/** 
* @var \Doctrine\Common\Collections\ArrayCollection<\F3\Test\Domain\Model\Job\JobHint> 
* @OneToMany(mappedBy="job", cascade={"all"}, orphanRemoval="true") 
* @OrderBy({"sortOrder" = "ASC"}) 
*/ 
protected $jobhints; 

I use the constructor to initalize the property as \Doctrine\Common\Collections\ArrayCollection. 
public function __construct() { 
$this->jobhints = new \Doctrine\Common\Collections\ArrayCollection(); 
} 

But in my getter the property is of type \Doctrine\ORM\PersistentCollection 
/** 
* Returns the jobhints of this job 
* 
* @return \Doctrine\Common\Collections\ArrayCollection<\F3\Test\Domain\Model\Job\JobHint> 
*/ 
public function getJobHints() { 
\F3\var_dump(get_class($this->jobhints)); 
return clone $this->jobhints; 
} 


I'm totaly new to Doctrine and need some help at this point. 

Thanks a lot 
Heiko