/// <summary>
/// Adds MassTransit and its dependencies to the <paramref name="collection" />, and allows consumers, sagas, and activities to be configured
/// </summary>
/// <param name="collection"></param>
/// <param name="configure"></param>
public static IServiceCollection AddMassTransit(this IServiceCollection collection, Action <IServiceCollectionBusConfigurator> configure = null)
{
if (collection.Any(d => d.ServiceType == typeof(IBus)))
{
throw new ConfigurationException(
"AddMassTransit() was already called and may only be called once per container. To configure additional bus instances, refer to the documentation: https://masstransit-project.com/usage/containers/multibus.html");
}
var configurator = new ServiceCollectionBusConfigurator(collection);
configure?.Invoke(configurator);
return(collection);
}
/// <summary>
/// Configure a MassTransit bus instance, using the specified <typeparamref name="TBus" /> bus type, which must inherit directly from <see cref="IBus" />.
/// A type that implements <typeparamref name="TBus" /> is required, specified by the <typeparamref name="TBusInstance" /> parameter.
/// </summary>
/// <param name="collection">The service collection</param>
/// <param name="configure">Bus instance configuration method</param>
public static IServiceCollection AddMassTransit <TBus, TBusInstance>(this IServiceCollection collection,
Action <IServiceCollectionBusConfigurator <TBus> > configure)
where TBus : class, IBus
where TBusInstance : BusInstance <TBus>, TBus
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
if (collection.Any(d => d.ServiceType == typeof(TBus)))
{
throw new ConfigurationException(
$"AddMassTransit<{typeof(TBus).Name},{typeof(TBusInstance).Name}>() was already called and may only be called once per container. To configure additional bus instances, refer to the documentation: https://masstransit-project.com/usage/containers/multibus.html");
}
var configurator = new ServiceCollectionBusConfigurator <TBus, TBusInstance>(collection);
configure(configurator);
return(collection);
}
