Sample for how a nested closure could be used to configure a ServiceHost in Elasticity

gistfile1.cs

class Program
{
    static void Main(string[] args)
    {
        var scheduler =
            new DefaultScheduler();

        var host = new ServiceHost(scheduler, x => {
            x.JobRequestQueue = "foo";
            x.TaskResponseQueue = "bar";
        });
    }
}

public class ServiceHost
{
    private readonly IScheduler scheduler;
    private readonly ISchedulerConfiguration schedulerConfiguration;

    public ServiceHost(IScheduler scheduler, ISchedulerConfiguration schedulerConfiguration)
    {
        this.scheduler = scheduler;
        this.schedulerConfiguration = schedulerConfiguration;
    }

    public ServiceHost(IScheduler scheduler, Action<SchedulerConfigurationConfigurator> closure)
    {
        this.scheduler = scheduler;

        var configuration =
            new DefaultSchedulerConfiguration();

        var configurator =
            new SchedulerConfigurationConfigurator(configuration);

        closure.Invoke(configurator);

        this.schedulerConfiguration = configuration;
    }

    public class SchedulerConfigurationConfigurator
    {
        private readonly ISchedulerConfiguration schedulerConfiguration;

        public SchedulerConfigurationConfigurator(ISchedulerConfiguration schedulerConfiguration)
        {
            this.schedulerConfiguration = schedulerConfiguration;
        }

        public string JobRequestQueue
        {
            set { this.schedulerConfiguration.JobRequestsQueue = value; }
        }

        public string TaskResponseQueue
        {
            set { this.schedulerConfiguration.JobRequestsQueue = value; }
        }
    }
}

public interface IScheduler
{
}

class DefaultScheduler : IScheduler
{
}

public interface ISchedulerConfiguration
{
    string JobRequestsQueue { get; set; }
    string TaskResponseQueue { get; set; }
}

public class DefaultSchedulerConfiguration : ISchedulerConfiguration
{
    public string JobRequestsQueue { get; set; }

    public string TaskResponseQueue { get; set; }
}