[TYPO3-mvc] Benefit of DI when referencing to a class (and not to an interface)?

[Roland]

hi.

thanks for your answer.

do you all agree, that you should use DI with reference to interfaces 
(and not classes) where possible?

kind regards

roland



Am 27.06.12 08:22, schrieb Karsten Dambekalns:
> Hi.
>
> On 26.06.12 11:52, Roland wrote:
>> do you really reduce dependency with this?
>>
>> --- quote ---
>>
>> /**
>>   * @var Tx_Foo_Domain_Repository_BarRepository
>>   * @inject
>>   */
>> protected $barRepository;
>>
>> --- /quote ---
>>
>> aren't you still dependent on a class named
>> Tx_Foo_Domain_Repository_BarRepository?
>
> Yes, you are. But at least you are not dependent on (a certain)
> ObjectManager anymore.
>
>
> Regards,
> Karsten