/// <summary>
/// Configures the service collection to host an Orleans silo.
/// </summary>
/// <param name="services">The services. Cannot be null.</param>
/// <param name="environment">The host environment. Cannot be null.</param>
/// <param name="configuration">The configuration object. Cannot be null.</param>
/// <param name="configureDelegate">The delegate used to configure the silo. Cannot be null.</param>
/// <returns>The host builder.</returns>
/// <remarks>
/// Do not call this method multiple times.
/// </remarks>
public static IServiceCollection AddOrleans(this IServiceCollection services, IConfiguration configuration, IWebHostEnvironment environment, Action <HostBuilderContext, ISiloBuilder> configureDelegate)
{
Guard.NotNull(environment, nameof(environment));
Guard.NotNull(configuration, nameof(configuration));
Guard.NotNull(configureDelegate, nameof(configureDelegate));
var siloBuilder = new SiloServiceBuilder();
var context = ContextBuilder.Build(siloBuilder, configuration, environment);
siloBuilder.ConfigureSilo(configureDelegate);
siloBuilder.Build(context, services);
return(services);
}
private static SiloServiceBuilder GetOrAddSiloBuilder(IServiceCollection services)
{
var registration = services.FirstOrDefault(s => s.ServiceType.Equals(typeof(SiloServiceBuilder)));
SiloServiceBuilder siloBuilder;
if (registration == null)
{
siloBuilder = new SiloServiceBuilder();
services.AddSingleton(siloBuilder);
}
else
{
siloBuilder = (SiloServiceBuilder)registration.ImplementationInstance;
}
return(siloBuilder);
}
