GAPS.md

Fill the gaps

Inject 101

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@Inject

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Injector injector = Guice.createInjector(new ShowtimesModule());

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bind(MovieRepository.class).to(MovieRepositoryImpl.class);

02.a

@ImplementedBy(MovieRepositoryImpl.class)

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given(repository.findByCity(new City("barcelona")))
	.willReturn(ImmutableSet.of(new Movie("Blade"), new Movie("Runner")));

Example: Google Showtimes API

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@Inject

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new GoogleHttpClientModule()

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@Provides

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@Singleton

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bind(MovieRepository.class).to(GoogleMovieRepository.class);

Example: IMDb suggest API

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@Named("json")

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@Provides @Singleton @Named("json")

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bind(MovieRepository.class).to(ImdbMovieRepository.class);

Example queries to play with: rutger hauer, liv tyler

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@BindingAnnotation

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@Json

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@Json

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bind(HttpRequestFactory.class).annotatedWith(Json.class).toInstance(providesHttpRequestFactory());

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bind(HttpRequestFactory.class).annotatedWith(Names.named("json")).toInstance(providesHttpRequestFactory());

Use both APIs: Multibindings

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@Inject

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 Multibinder<MovieRepository> multibinder = Multibinder.newSetBinder(binder(), MovieRepository.class);
 multibinder.addBinding().to(GoogleMovieRepository.class);
 multibinder.addBinding().to(ImdbMovieRepository.class);

Example queries: chicago, brooklyn, phil