Qt dependency injection

[Maximilian Kossick]

no, but that is a very good question

On Tue, Sep 8, 2009 at 9:35 AM, Alejandro
Wainzinger<aikawarazuni at gmail.com> wrote:
> +1, did you ask the Trolls about why Qt doesn't provide a DI container?
>
> On Tue, Sep 8, 2009 at 9:11 AM, Maximilian
> Kossick<maximilian.kossick at googlemail.com> wrote:
>> Hi guys,
>>
>> after reading Jos' blog on singletons
>> (http://www.kdedevelopers.org/node/4059, although I disagree with his
>> conclusion), and knowing that this is basically a solved problem in
>> the Java world thanks to dependency injection containers like Spring,
>> I've started to wonder why Qt does not provide a DI container itself,
>> which should be possible using QObjects.
>>
>> A bit of googling showed: there actually is one:
>> http://qtioccontainer.sourceforge.net
>>
>> The only problem is that the last update was three years ago...
>>
>> This is just a heads up that I'm going to play with it on one of the
>> next weekends. A major advantage that this could give us is that we
>> could get replace all those ::instance() methods with code that looks
>> up the object in the application context, and actually returns a mock
>> object for tests by defining a special application context for the
>> tests. Using that approach, we could start to write tests for major
>> components that are unfortunately untestable at the moment in my
>> opinion.
>>
>> Cheers,
>> Max
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>