Thanks a lot Menno


On Mon, Jun 2, 2014 at 4:09 PM, Menno Holtkamp <[email protected]>
wrote:

> Maybe I am wrong, but my current interpretation is that OrphanRemoval can
> be used to have the ORM 'automatically' remove Entities that are left over.
> For instance, if you remove an Order Entity, then you can have the
> OrderLines removed automatically. Be aware with orphanRemoval to ONLY use
> it on properties that are ONLY owned / privately owned by an Entity.
>
> So for example, if Entity A and Entity B BOTH have a property that refers
> to Entity C, than you should NOT use OrphanRemoval. I had a case where
> OrderLines were only used by Orders, so I used OrphanRemoval. But later
> these OrderLines where referenced by InvoiceLines, at that point you can
> not use OrphanRemoval anymore.
>
> And while you are at it, and conclude you can not use OrphanRemoval, this
> might be interesting as well when you need to remove stuff:
> http://www.doctrine-project.org/jira/browse/DDC-956
>
> I guess this is but one explanation of the use of OrpanRemoval. In the
> documentation it is described as a concept of cascading an operation (see
> it as propagating an event down a relation).
>
>
> http://docs.doctrine-project.org/en/latest/reference/working-with-associations.html#orphan-removal
>
> Enjoy!
>
>
>
>
> On 2 June 2014 12:06, Nima Sadjadi <[email protected]> wrote:
>
>> Reading wiki, I did not understand, What is the difference of
>> orphanRemoval with cascade deletion with onDelete?
>>
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