public static IQueryProcessorExtensionBuilder AddDarker(this IServiceCollection services, Action <DarkerOptions> configure = null)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
var options = new DarkerOptions();
configure?.Invoke(options);
var registry = new AspNetHandlerRegistry(services);
var factory = new AspNetHandlerFactory(services);
registry.RegisterFromAssemblies(options.DiscoverQueriesAndHandlersFromAssemblies);
var builder = QueryProcessorBuilder.With()
.Handlers(registry, factory, registry, factory)
.QueryContextFactory(options.QueryContextFactory);
var queryProcessor = builder.Build();
services.AddSingleton(queryProcessor);
return((QueryProcessorBuilder)builder);
}
private void RegisterQueryProcessor()
{
var registry = new QueryHandlerRegistry();
registry.Register <ToDoByIdQuery, ToDoByIdQuery.Result, ToDoByIdQueryHandlerAsync>();
registry.Register <ToDoQueryAll, ToDoQueryAll.Result, ToDoQueryAllHandlerAsync>();
_container.Register <IQueryHandler <ToDoByIdQuery, ToDoByIdQuery.Result>, ToDoByIdQueryHandlerAsync>(Lifestyle.Scoped);
_container.Register <IQueryHandler <ToDoQueryAll, ToDoQueryAll.Result>, ToDoQueryAllHandlerAsync>(Lifestyle.Scoped);
var retryPolicy = Policy.Handle <Exception>().WaitAndRetryAsync(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicy = Policy.Handle <Exception>().CircuitBreakerAsync(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new Darker.PolicyRegistry {
{ QueryProcessor.RetryPolicyName, retryPolicy }, { QueryProcessor.CircuitBreakerPolicyName, circuitBreakerPolicy }
};
Func <Type, object> simpleFactory = type => _container.GetInstance(type);
IQueryProcessor queryProcessor = QueryProcessorBuilder.With()
.Handlers(registry, simpleFactory, Activator.CreateInstance)
.Policies(policyRegistry)
.InMemoryRequestContextFactory()
.Build();
_container.RegisterSingleton <IQueryProcessor>(queryProcessor);
}
private void ConfigureDarker()
{
var queryProcessor = QueryProcessorBuilder.With()
.SimpleInjectorHandlers(_container, opts => opts
.WithQueriesAndHandlersFromAssembly(typeof(GetTodoHandler).GetTypeInfo().Assembly))
.InMemoryQueryContextFactory()
.JsonRequestLogging()
.Build();
_container.RegisterSingleton(queryProcessor);
}
public Benchmark()
{
var handlerRegistry = new QueryHandlerRegistry();
handlerRegistry.Register <BasicSyncQuery, bool, BasicSyncQueryHandler>();
handlerRegistry.Register <BasicAsyncQuery, bool, BasicAsyncQueryHandler>();
_queryProcessor = QueryProcessorBuilder.With()
.Handlers(handlerRegistry, t => (IQueryHandler)Activator.CreateInstance(t), t => (IQueryHandlerDecorator)Activator.CreateInstance(t))
.InMemoryQueryContextFactory()
.Build();
}
private void ConfigureDarker()
{
var handlerConfiguration = new SimpleInjectorHandlerConfigurationBuilder(_container)
.WithQueriesAndHandlersFromAssembly(typeof(GetTodoHandler).GetTypeInfo().Assembly)
.Build();
var queryProcessor = QueryProcessorBuilder.With()
.Handlers(handlerConfiguration)
.DefaultPolicies()
.InMemoryRequestContextFactory()
.NewtonsoftJsonSerializer()
.Build();
_container.RegisterSingleton <IQueryProcessor>(queryProcessor);
}
private static void RegisterQueryProcessor(Container container)
{
var registry = new QueryHandlerRegistry();
registry.Register <GetWorksheetByIdQuery, Worksheet, GetWorksheetByIdQueryHandler>();
var decoratorRegistry = new QueryHandlerDecoratorRegistry(container);
var queryHandlerFactory = new QueryHandlerFactory(container);
var queryHandlerDecoratorFactory = new QueryHandlerDecoratorFactory(container);
IQueryProcessor queryProcessor = QueryProcessorBuilder.With()
.Handlers(registry, queryHandlerFactory, decoratorRegistry, queryHandlerDecoratorFactory)
.InMemoryQueryContextFactory()
.Build();
container.Register <IQueryProcessor>(() => { return(queryProcessor); });
}
private void RegisterQueryProcessor()
{
var retryPolicy = Policy.Handle <Exception>().WaitAndRetryAsync(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicy = Policy.Handle <Exception>().CircuitBreakerAsync(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new Paramore.Darker.Policies.PolicyRegistry
{
{ Paramore.Darker.Policies.Constants.RetryPolicyName, retryPolicy },
{ Paramore.Darker.Policies.Constants.CircuitBreakerPolicyName, circuitBreakerPolicy }
};
var queryProcessor = QueryProcessorBuilder.With()
.SimpleInjectorHandlers(_container, opts =>
opts.WithQueriesAndHandlersFromAssembly(typeof(GreetingsAllQuery).Assembly))
.InMemoryQueryContextFactory()
.Policies(policyRegistry)
.JsonQueryLogging()
.Build();
_container.Register <IQueryProcessor>(() => queryProcessor, Lifestyle.Singleton);
}
public void HandlersGetWiredWithSimpleInjectors()
{
var container = new Container();
var queryProcessor = QueryProcessorBuilder.With()
.SimpleInjectorHandlers(container, opts =>
opts.WithQueriesAndHandlersFromAssembly(typeof(TestQueryHandler).Assembly))
.InMemoryQueryContextFactory()
.Build();
container.RegisterInstance(queryProcessor);
var resolvedQueryProcessor = container.GetInstance <IQueryProcessor>();
resolvedQueryProcessor.ShouldNotBeNull();
var id = Guid.NewGuid();
var result = resolvedQueryProcessor.Execute(new TestQueryA(id));
result.ShouldBe(id);
}
private void RegisterQueryProcessor()
{
var retryPolicy = Policy.Handle <Exception>().WaitAndRetryAsync(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicy = Policy.Handle <Exception>().CircuitBreakerAsync(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new Paramore.Darker.Policies.PolicyRegistry
{
{ Paramore.Darker.Policies.Constants.RetryPolicyName, retryPolicy },
{ Paramore.Darker.Policies.Constants.CircuitBreakerPolicyName, circuitBreakerPolicy }
};
Func <Type, object> simpleFactory = type => _container.GetInstance(type);
IQueryProcessor queryProcessor = QueryProcessorBuilder.With()
.SimpleInjectorHandlers(_container, opts =>
opts.WithQueriesAndHandlersFromAssembly(typeof(NewShipRegistrationHandlerAsync).Assembly))
.InMemoryQueryContextFactory()
.Policies(policyRegistry)
.JsonQueryLogging()
.Build();
_container.RegisterInstance <IQueryProcessor>(queryProcessor);
}
// This method gets called by the runtime. Use this method to add services to the container.
public IServiceProvider ConfigureServices(IServiceCollection services)
{
var container = new ServiceContainer
{
ScopeManagerProvider = new StandaloneScopeManagerProvider()
};
// Configure and register Serilog.
Log.Logger = new LoggerConfiguration()
.MinimumLevel.Debug()
.Enrich.FromLogContext()
.WriteTo.LiterateConsole()
.CreateLogger();
container.RegisterInstance(Log.Logger);
// Configure and register Darker.
var queryProcessor = QueryProcessorBuilder.With()
.LightInjectHandlers(container, opts => opts
.WithQueriesAndHandlersFromAssembly(typeof(GetPeopleQueryHandler).GetTypeInfo().Assembly))
.InMemoryQueryContextFactory()
.JsonQueryLogging()
.Policies(ConfigurePolicies())
.Build();
container.RegisterInstance(queryProcessor);
// Don't forget to register the required decorators. todo maybe find a way to auto-discover these
container.Register(typeof(QueryLoggingDecorator <,>));
container.Register(typeof(RetryableQueryDecorator <,>));
container.Register(typeof(FallbackPolicyDecorator <,>));
// Add framework services.
services.AddMvc();
return(container.CreateServiceProvider(services));
}
public static IDarkerHandlerBuilder AddDarker(this IServiceCollection services, Action <DarkerOptions> configure = null)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
var options = new DarkerOptions();
configure?.Invoke(options);
var registry = new AspNetHandlerRegistry(services, options.HandlerLifetime);
var factory = new AspNetHandlerFactory(services);
var builder = QueryProcessorBuilder.With()
.Handlers(registry, factory, registry, factory)
.QueryContextFactory(options.QueryContextFactory);
var queryProcessor = builder.Build();
services.AddSingleton(queryProcessor);
return(new AspNetHandlerBuilder(services, registry, (QueryProcessorBuilder)builder));
}
private static IQueryProcessor BuildDarker(IServiceProvider serviceProvider)
{
var options = serviceProvider.GetService <DarkerOptions>();
var handlerFactory = new ServiceProviderHandlerFactory(serviceProvider);
var handlerRegistry = serviceProvider.GetService <ServiceCollectionHandlerRegistry>();
var decoratorFactory = new ServiceProviderHandlerDecoratorFactory(serviceProvider);
var decoratorRegistry = serviceProvider.GetService <ServiceCollectionDecoratorRegistry>();
var contextBag = serviceProvider.GetService <DarkerContextBag>();
var builder = QueryProcessorBuilder.With()
.Handlers(handlerRegistry, handlerFactory, decoratorRegistry, decoratorFactory)
.QueryContextFactory(options.QueryContextFactory) as QueryProcessorBuilder;
if (builder == null)
{
throw new ConfigurationException("Could not build a QueryProcessorBuilder");
}
builder.AddContextBag(contextBag);
return(builder.Build());
}