appsquickly/Typhoon

Poweful dependency injection for iOS & OSX (Objective-C & Swift)

Jasper Blues

@jasperblues

Yes, that’s right.

Roman Temchenko

@iThinker

That was a question. How to do it?

Jasper Blues

@jasperblues

Yes, that’s right . . . class cluster is related to abstract factory. If you want to do this with Typhoon you can:

Use Typhoon Option Matcher https://github.com/appsquickly/Typhoon/wiki/Typhoon-Option-Matcher

Create a custom factory backed by Typhoon. (Inject the whole assembly into you custom factory, and then use it to emit the correct object).

https://github.com/appsquickly/Typhoon/wiki/What%20can%20be%20Injected#injecting-the-assembly-itself

clear?

Roman Temchenko

@iThinker

Looks like it is not what I wanted. I have [Class instanceForCustomer], [Class instanceForContractor]. And I wanted factory to return those instances. But with additional injection.

So I should either move all configuration to Assembly. Or don't use Assembly at all for it.

I've found.

Jasper Blues

@jasperblues

I see. . If you want it factory method to be on the class, you can have the class method use Typhoon. This would have to be a separate factory.

Roman Temchenko

@iThinker

It is Factory Definitions section I think.

Jasper Blues

@jasperblues

Your class method would look something like:

- (instancetype) myTyphoonAssembledInstance {
    MyAssembly *assembly = [[MyAssembly new] activate];
   //Decide what instance to return
  //Ask Typhoon to return it. 
}

This is not a common thing to do with Typhoon. It may or may not be a good idea for your specific case.

Roman Temchenko

@iThinker

I wanted not to mess with Typhoon inside my own classes. I just wanted to encapsulate some bahvipour and use factory methods.

Jasper Blues

@jasperblues

I can’t think of another way to do what you’re asking.

(with Typhoon)

I don’t think it will help you here.

Roman Temchenko

@iThinker

- (SwordFactory *)swordFactory
{
    return [TyphoonDefinition withClass:[SwordFactory class]];
}

- (Sword *)blueSword
{
    return [TyphoonDefinition withFactory:[self swordFactory] 
        selector:@selector(swordWithSpecification:) 
        parameters:^(TyphoonMethod *factoryMethod) {

            [factoryMethod injectParameterWith:@"blue"];
        }];
}

I thought I will be able to use this. But I did not dig into it yet.

Jasper Blues

@jasperblues

That feature is for creating a definition (object that can participate in dependency injection by Typhoon) that get emitted from another object (such as a legacy class).

Roman Temchenko

@iThinker

This is like my situation. I take a legacy class. Get object from it. Inject additional info and return it.

Jasper Blues

@jasperblues

Is it? Ok then.

I misunderstood that from the initial description.

Jasper Blues

@jasperblues

let us know how it works for you :)

Maciej Oczko

@literator

Hey guys, question: I initialize assemblies via .plist configuration, but I need in one debug place create objects - ideally would be to access [[TyphoonComponentFactory defaultFactory] componentForType:...], but I'm getting nil for that call. Is it possible to have default factory set somehow?

Jasper Blues

@jasperblues

Hey @literator !

We're not using gitter much lately.

but lucky we caught your message

you mean defaultFactory is nil?

eestrella198

@eestrella198

@jasperblues eestrella198

preeti13456

@preeti13456

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mretty

@mretty

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