static void Main(string[] args)
{
using (IConnectionFactory connectionFactory = new SingleConnectionFactory())
{
IAmqpAdmin amqpAdmin = new RabbitAdmin(new RabbitTemplate(connectionFactory));
Queue marketDataQueue = new Queue("APP.STOCK.MARKETDATA");
amqpAdmin.DeclareQueue(marketDataQueue);
Binding binding = new Binding(marketDataQueue, DirectExchange.DEFAULT);
amqpAdmin.DeclareBinding(binding);
amqpAdmin.DeclareQueue(new Queue("APP.STOCK.REQUEST"));
amqpAdmin.DeclareQueue(new Queue("APP.STOCK.JOE"));
//Each queue is automatically bound to the default direct exchange.
Console.WriteLine("Queues and exchanges have been declared.");
Console.WriteLine("Press 'enter' to exit");
Console.ReadLine();
}
}
public void TestRemoveBindingWithDefaultExchangeImplicitBinding()
{
var queueName = "test.queue";
var queue = new Queue(queueName, false, false, false);
this.rabbitAdmin.DeclareQueue(queue);
var binding = new Binding(queueName, Binding.DestinationType.Queue, RabbitAdmin.DEFAULT_EXCHANGE_NAME, queueName, null);
this.rabbitAdmin.RemoveBinding(binding);
// Pass by virtue of RabbitMQ not firing a 403 reply code
}
public void TestSpringWithDefaultExchangeNonImplicitBinding()
{
var exchange = new DirectExchange(RabbitAdmin.DEFAULT_EXCHANGE_NAME);
this.context.ObjectFactory.RegisterSingleton("foo", exchange);
var queueName = "test.queue";
var queue = new Queue(queueName, false, false, false);
this.context.ObjectFactory.RegisterSingleton("bar", queue);
var binding = new Binding(queueName, Binding.DestinationType.Queue, exchange.Name, "test.routingKey", null);
this.context.ObjectFactory.RegisterSingleton("baz", binding);
this.rabbitAdmin.AfterPropertiesSet();
try
{
this.rabbitAdmin.DeclareBinding(binding);
}
catch (AmqpIOException ex)
{
Exception cause = ex;
Exception rootCause = null;
while (cause != null)
{
rootCause = cause;
cause = cause.InnerException;
}
Assert.True(rootCause.Message.Contains("code=403"));
Assert.True(rootCause.Message.Contains("operation not permitted on the default exchange"));
}
}
public void TestDeclareBindingWithDefaultExchangeImplicitBinding()
{
var exchange = new DirectExchange(RabbitAdmin.DEFAULT_EXCHANGE_NAME);
var queueName = "test.queue";
var queue = new Queue(queueName, false, false, false);
this.rabbitAdmin.DeclareQueue(queue);
var binding = new Binding(queueName, Binding.DestinationType.Queue, exchange.Name, queueName, null);
this.rabbitAdmin.DeclareBinding(binding);
// Pass by virtue of RabbitMQ not firing a 403 reply code for both exchange and binding declaration
Assert.True(this.QueueExists(queue));
}
public void TestSpringWithDefaultExchangeImplicitBinding()
{
var exchange = new DirectExchange(RabbitAdmin.DEFAULT_EXCHANGE_NAME);
this.context.ObjectFactory.RegisterSingleton("foo", exchange);
var queueName = "test.queue";
var queue = new Queue(queueName, false, false, false);
this.context.ObjectFactory.RegisterSingleton("bar", queue);
var binding = new Binding(queueName, Binding.DestinationType.Queue, exchange.Name, queueName, null);
this.context.ObjectFactory.RegisterSingleton("baz", binding);
this.rabbitAdmin.AfterPropertiesSet();
this.rabbitAdmin.Initialize();
// Pass by virtue of RabbitMQ not firing a 403 reply code for both exchange and binding declaration
Assert.True(this.QueueExists(queue));
}
private bool IsRemovingImplicitQueueBinding(Binding binding)
{
if (this.IsImplicitQueueBinding(binding))
{
Logger.Debug(m => m("Cannot remove implicit default exchange binding to queue."));
return true;
}
return false;
}
private bool IsImplicitQueueBinding(Binding binding) { return this.IsDefaultExchange(binding.Exchange) && binding.Destination.Equals(binding.RoutingKey); }
/// <summary>
/// Declares all the exchanges, queues and bindings in the enclosing application context, if any. It should be safe
/// (but unnecessary) to call this method more than once.
/// </summary>
public void Initialize()
{
if (this.applicationContext == null)
{
Logger.Debug(m => m("no ApplicationContext has been set, cannot auto-declare Exchanges, Queues, and Bindings"));
return;
}
Logger.Debug(m => m("Initializing declarations"));
var exchanges = this.applicationContext.GetObjectsOfType(typeof(IExchange)).Values;
var queues = this.applicationContext.GetObjectsOfType(typeof(Queue)).Values;
var bindings = this.applicationContext.GetObjectsOfType(typeof(Binding)).Values;
foreach (IExchange exchange in exchanges)
{
if (!exchange.Durable)
{
Logger.Warn(m => m("Auto-declaring a non-durable Exchange ({0}). It will be deleted by the broker if it shuts down, and can be redeclared by closing and reopening the connection.", exchange.Name));
}
if (exchange.AutoDelete)
{
Logger.Warn(
m =>
m("Auto-declaring an auto-delete Exchange ({0}). It will be deleted by the broker if not in use (if all bindings are deleted), but will only be redeclared if the connection is closed and reopened.", exchange.Name));
}
}
foreach (Queue queue in queues)
{
if (!queue.Durable)
{
Logger.Warn(m => m("Auto-declaring a non-durable Queue ({0}). It will be redeclared if the broker stops and is restarted while the connection factory is alive, but all messages will be lost.", queue.Name));
}
if (queue.AutoDelete)
{
Logger.Warn(m => m("Auto-declaring an auto-delete Queue ({0}). It will be deleted by the broker if not in use, and all messages will be lost. Redeclared when the connection is closed and reopened.", queue.Name));
}
if (queue.Exclusive)
{
Logger.Warn(m => m("Auto-declaring an exclusive Queue ({0}). It cannot be accessed by consumers on another connection, and will be redeclared if the connection is reopened.", queue.Name));
}
}
this.rabbitTemplate.Execute<object>(
channel =>
{
var exchangeArray = new IExchange[exchanges.Count];
var queueArray = new Queue[queues.Count];
var bindingArray = new Binding[bindings.Count];
exchanges.CopyTo(exchangeArray, 0);
queues.CopyTo(queueArray, 0);
bindings.CopyTo(bindingArray, 0);
this.DeclareExchanges(channel, exchangeArray);
this.DeclareQueues(channel, queueArray);
this.DeclareBindings(channel, bindingArray);
return null;
});
Logger.Debug(m => m("Declarations finished"));
}
private bool IsDeclaringImplicitQueueBinding(Binding binding)
{
if (this.IsImplicitQueueBinding(binding))
{
Logger.Debug(m => m("The default exchange is implicitly bound to every queue, with a routing key equal to the queue name."));
return true;
}
return false;
}
/// <summary>Remove a binding of a queue to an exchange.</summary>
/// <param name="binding">Binding to remove.</param>
public void RemoveBinding(Binding binding)
{
this.rabbitTemplate.Execute<object>(
channel =>
{
if (binding.IsDestinationQueue())
{
if (this.IsRemovingImplicitQueueBinding(binding))
{
return null;
}
channel.QueueUnbind(binding.Destination, binding.Exchange, binding.RoutingKey, binding.Arguments);
}
else
{
channel.ExchangeUnbind(binding.Destination, binding.Exchange, binding.RoutingKey, binding.Arguments);
}
return null;
});
}
/// <summary>Declare the binding.</summary>
/// <param name="binding">The binding.</param>
public void DeclareBinding(Binding binding)
{
this.rabbitTemplate.Execute<object>(
channel =>
{
this.DeclareBindings(channel, binding);
return null;
});
}
public void RemoveBinding(Binding binding)
{
rabbitTemplate.Execute<object>(delegate(IModel model)
{
model.QueueUnbind(binding.Queue, binding.Exchange, binding.RoutingKey,
binding.Arguments);
return null;
});
}
public void DeclareBinding(Binding binding)
{
rabbitAdmin.DeclareBinding(binding);
}
public void DeclareBinding(Binding binding)
{
rabbitTemplate.Execute<object>(delegate(IModel channel)
{
channel.QueueBind(binding.Queue, binding.Exchange, binding.RoutingKey, false, binding.Arguments);
return null;
});
}
