private static async Task SinglePublisherMultipleSubscribers()
{
Console.Clear();
Console.WriteLine("Single publisher and multiple subscribers");
Console.WriteLine("Enter message text to send or empty string to exit:");
using (var caraBus = new RabbitMQCaraBus(new RabbitMQCaraBusOptions()))
{
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"Subscriber 1 received message: {m.Text}");
});
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"Subscriber 2 received message: {m.Text}");
});
await caraBus.StartAsync();
while (true)
{
var text = Console.ReadLine();
if (text == string.Empty)
{
break;
}
await caraBus.PublishAsync(new Message { Text = text });
}
await caraBus.StopAsync();
}
}
protected override ICaraBus CreateCaraBus(CaraBusBaseOptions caraBusBaseOptions)
{
var caraBus = new RabbitMQCaraBus(new RabbitMQCaraBusOptions
{
ConnectionString = "amqp://localhost",
MaxDegreeOfParallelism = caraBusBaseOptions.MaxDegreeOfParallelism,
AutoStart = caraBusBaseOptions.AutoStart,
TimeoutOnStop = caraBusBaseOptions.TimeoutOnStop
});
_disposables.Add(caraBus);
return(caraBus);
}
private static async Task Scopes()
{
Console.Clear();
Console.WriteLine("Scopes");
Console.WriteLine("There are two scopes declared for this sample: 'one' and 'two'");
Console.WriteLine("Enter '[scope]<space>message text' to send or empty string to exit:");
using (var caraBus = new RabbitMQCaraBus(new RabbitMQCaraBusOptions()))
{
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"[scope 'one'], default group subscriber 1: received message: {m.Text}");
}, SubscribeOptions.Exclusive(opt => opt.Scope = "one"));
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"[scope 'one'], default group subscriber 2: received message: {m.Text}");
}, SubscribeOptions.Exclusive(opt => opt.Scope = "one"));
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"[scope 'one'], custom some group, subscriber 1: received message: {m.Text}");
}, SubscribeOptions.Exclusive("some group", opt => opt.Scope = "one"));
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"[scope 'one'] custom some group, subscriber 2: received message: {m.Text}");
}, SubscribeOptions.Exclusive("some group", opt => opt.Scope = "one"));
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"[scope 'two'] subscriber 1: received message: {m.Text}");
}, SubscribeOptions.NonExclusive(opt => opt.Scope = "two"));
caraBus.Subscribe <Message>(m =>
{
Console.WriteLine($"[scope 'two'] subscriber 2: received message: {m.Text}");
}, SubscribeOptions.NonExclusive(opt => opt.Scope = "two"));
await caraBus.StartAsync();
var scopeOneMessage = "Hello for scope 'one'";
WriteDemoText($"one {scopeOneMessage}");
await caraBus.PublishAsync(new Message { Text = scopeOneMessage }, new PublishOptions { Scope = "one" });
await Task.Delay(TimeSpan.FromSeconds(2));
var scopeTwoMessage = "Hello for scope 'two'";
WriteDemoText($"two {scopeTwoMessage}");
await caraBus.PublishAsync(new Message { Text = scopeTwoMessage }, new PublishOptions { Scope = "two" });
while (true)
{
var text = Console.ReadLine();
if (text == string.Empty)
{
break;
}
var parts = text.Split(' ');
var scope = parts[0];
text = parts.Length > 1
? parts.Skip(1).Aggregate((c, n) => c + " " + n)
: String.Empty;
await caraBus.PublishAsync(new Message { Text = text }, new PublishOptions { Scope = scope });
}
await caraBus.StopAsync();
}
}
