Yes it's right.. but this way don't satisfy me totally cause I have some
XFoo classes.
I will have to create many annotation (@A,@B, ..., @Z), and I must bind all
of them or I will get a guice exception.
bind(IFoo.class).annotatedWith.(A.class).to(DefaultFoo.class);
bind(IFoo.class).annotatedWith.(B.class).to(DefaultFoo.class);
[...]
bind(IFoo.class).annotatedWith.(Y.class).to(DefaultFoo.class);
bind(IFoo.class).annotatedWith.(Z.class).to(DefaultFoo.class);
In my case, I just have to override a couple of binding and let the other
on the default implementation (DefaultFoo.class)
bind(IFoo.class).annotatedWith.(E.class).to(MyEFoo.class);
bind(IFoo.class).annotatedWith.(K.class).to(MyKFoo.class);
Otherwise, PrivateModule looks too "heavy" to implement in my case..
- Well, Is there an other way that could be less verbose ?
Best regards;
On Friday, September 7, 2012 3:59:12 AM UTC+2, Fred Faber wrote:
>
> Strictly speaking, the robot legs problem describes a scenario where the
> types of your object chain are identical. In your case, you wouldn't have
> AFoo and BFoo, but just Foo. It's a luxury of sorts to have AFoo and BFoo
> because you _can_ use a binding annotation on the constructor of each.
> That is the solution I would prefer for its clarity in how AFoo and BFoo
> are being configured:
>
> class AFoo {
> @Inject AFoo(@DoesStuffRelatedToA IFoo ifoo) { ... }
> }
>
> class BFoo {
> @Inject BFoo(@DoesStuffRelatedToB IFoo ifoo) { ... }
> }
>
> Here, grepping through the code directly for DoesStuffRelatedToA would
> lead me to the binding for IFoo in context of AFoo, and that's a little bit
> of a win for code maintenance.
>
> Fred
>
> On Thu, Sep 6, 2012 at 12:51 PM, robertdup <[email protected]<javascript:>
> > wrote:
>
>> Thanks for your reply.
>>
>> Do you know if it's a common uses to have more than 20 privates modules ?
>>
>>
>>
>> On Thursday, September 6, 2012 4:00:35 PM UTC+2, Thomas Broyer wrote:
>>>
>>> This is known as the "robot legs" problem, see http://code.google.com/p/
>>> **google-guice/wiki/**FrequentlyAskedQuestions#How_**
>>> do_I_build_two_similar_but_**slightly_different_trees_of_**objec<http://code.google.com/p/google-guice/wiki/FrequentlyAskedQuestions#How_do_I_build_two_similar_but_slightly_different_trees_of_objec>
>>>
>>> On Thursday, September 6, 2012 9:14:24 AM UTC+2, robertdup wrote:
>>>>
>>>> Hello there,
>>>>
>>>> I trying to implement default binding on my module without any
>>>> success...
>>>>
>>>> Here is what I would like to do (*my dream*) :
>>>>
>>>> class AFoo
>>>>> {
>>>>> @Inject AFoo( IFoo foo ){}
>>>>> }
>>>>>
>>>>> class BFoo
>>>>> {
>>>>> @Inject BFoo( IFoo foo ){}
>>>>> }
>>>>>
>>>>>
>>>>> bind(IFoo.class).to(**DefaultFoo.class);
>>>>> bind(IFoo.class).to(OtherFoo.**class)*.on(BFoo.class)*;
>>>>>
>>>>
>>>>
>>>> I know that I could solve this problem using annotation like this :
>>>>
>>>> class AFoo
>>>>> {
>>>>> @Inject AFoo( @A IFoo foo ){}
>>>>> }
>>>>>
>>>>> class BFoo
>>>>> {
>>>>> @Inject BFoo( @B IFoo foo ){}
>>>>> }
>>>>>
>>>>>
>>>>> bind(IFoo.class).**annotatedWith(A.class).to(**DefaultFoo.class);
>>>>> bind(IFoo.class).**annotatedWith(B.class).to(**OtherFoo.class);
>>>>>
>>>>
>>>> But this way is too boring and dirty.. (because I have to add
>>>> annotation/binding definition for each one)
>>>>
>>>>
>>>> - *Are there some others ways to solve Default binding "problem" ?*
>>>>
>>>> Thanks in advance; Best regards
>>>>
>>> --
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