public IEnumerable <ICharacter> GetCharacter(
[Parent] ICharacter character,
[Service] CharacterRepository repository)
{
foreach (string friendId in character.Friends)
{
ICharacter friend = repository.GetCharacter(friendId);
if (friend != null)
{
yield return(friend);
}
}
}
private static Schema CreateSchema()
{
var repository = new CharacterRepository();
var eventRegistry = new InMemoryEventRegistry();
var registry = new DataLoaderRegistry(new EmptyServiceProvider());
var services = new Dictionary <Type, object>
{
[typeof(CharacterRepository)] = repository,
[typeof(Query)] = new Query(repository),
[typeof(Mutation)] = new Mutation(),
[typeof(Subscription)] = new Subscription(),
[typeof(IEventSender)] = eventRegistry,
[typeof(IEventRegistry)] = eventRegistry,
[typeof(IDataLoaderRegistry)] = registry
};
var serviceResolver = new Func <Type, object>(
t =>
{
if (services.TryGetValue(t, out var s))
{
return(s);
}
return(null);
});
var serviceProvider = new Mock <IServiceProvider>(
MockBehavior.Strict);
serviceProvider.Setup(t => t.GetService(It.IsAny <Type>()))
.Returns(serviceResolver);
registry.Register(typeof(HumanDataLoader).FullName,
s => new HumanDataLoader(repository));
return(Schema.Create(c =>
{
c.RegisterServiceProvider(serviceProvider.Object);
c.RegisterQueryType <QueryType>();
c.RegisterMutationType <MutationType>();
c.RegisterSubscriptionType <SubscriptionType>();
c.RegisterType <HumanType>();
c.RegisterType <DroidType>();
c.RegisterType <EpisodeType>();
}));
}
public static IEnumerable <ICharacter> GetCharacter(
IResolverContext context)
{
ICharacter character = context.Parent <ICharacter>();
CharacterRepository repository = context.Service <CharacterRepository>();
foreach (string friendId in character.Friends)
{
ICharacter friend = repository.GetCharacter(friendId);
if (friend != null)
{
yield return(friend);
}
}
}
private static Schema CreateSchema(int executionDepth)
{
var repository = new CharacterRepository();
var eventRegistry = new InMemoryEventRegistry();
var services = new Dictionary <Type, object>();
services[typeof(CharacterRepository)] = repository;
services[typeof(Query)] = new Query(repository);
services[typeof(Mutation)] = new Mutation();
services[typeof(Subscription)] = new Subscription();
services[typeof(IEventSender)] = eventRegistry;
services[typeof(IEventRegistry)] = eventRegistry;
var serviceResolver = new Func <Type, object>(
t =>
{
if (services.TryGetValue(t, out object s))
{
return(s);
}
return(null);
});
Mock <IServiceProvider> serviceProvider =
new Mock <IServiceProvider>(MockBehavior.Strict);
serviceProvider.Setup(t => t.GetService(It.IsAny <Type>()))
.Returns(serviceResolver);
return(Schema.Create(c =>
{
c.Options.MaxExecutionDepth = executionDepth;
c.RegisterServiceProvider(serviceProvider.Object);
c.RegisterDataLoader <HumanDataLoader>();
c.RegisterQueryType <QueryType>();
c.RegisterMutationType <MutationType>();
c.RegisterSubscriptionType <SubscriptionType>();
c.RegisterType <HumanType>();
c.RegisterType <DroidType>();
c.RegisterType <EpisodeType>();
}));
}
private static Schema CreateSchema()
{
CharacterRepository repository = new CharacterRepository();
Dictionary <Type, object> services = new Dictionary <Type, object>();
services[typeof(CharacterRepository)] = repository;
services[typeof(Query)] = new Query(repository);
services[typeof(Mutation)] = new Mutation();
Func <Type, object> serviceResolver = new Func <Type, object>(
t =>
{
if (services.TryGetValue(t, out object s))
{
return(s);
}
return(null);
});
Mock <IServiceProvider> serviceProvider =
new Mock <IServiceProvider>(MockBehavior.Strict);
serviceProvider.Setup(t => t.GetService(It.IsAny <Type>()))
.Returns(serviceResolver);
return(Schema.Create(c =>
{
c.RegisterServiceProvider(serviceProvider.Object);
c.RegisterDataLoader <HumanDataLoader>();
c.RegisterQueryType <QueryType>();
c.RegisterMutationType <MutationType>();
c.RegisterType <HumanType>();
c.RegisterType <DroidType>();
c.RegisterType <EpisodeType>();
}));
}
public HumanDataLoader(CharacterRepository repository)
: base(new DataLoaderOptions <string>())
{
_repository = repository
?? throw new ArgumentNullException(nameof(repository));
}
public Query(CharacterRepository repository)
{
_repository = repository
?? throw new System.ArgumentNullException(nameof(repository));
}