public void QueueDelete(RabbitMQQueueDeclaration declaration)
{
lock (@lock)
{
try
{
if (declaration.NoWait)
{
channel.QueueDeleteNoWait(
declaration.Name,
declaration.UnusedOnly,
declaration.EmptyOnly);
}
else
{
channel.QueueDelete(
declaration.Name,
declaration.UnusedOnly,
declaration.EmptyOnly);
}
}
catch (OperationInterruptedException) when(declaration.UnusedOnly || declaration.EmptyOnly)
{
// RabbitMQ.Client does not ignore PRECONDITION_FAILED
// Means that queue is used or not empty, so just ignore exception
// TODO: Informative logging
logger.LogWarning($"Unable to delete '{declaration.Name}' queue");
}
}
}
public void QueueUnbind(RabbitMQQueueDeclaration declaration, RabbitMQQueueBindingDeclaration binding)
{
lock (@lock)
{
channel.QueueUnbind(
declaration.Name,
binding.ExchangeDeclaration.Name,
binding.RoutingKey ?? declaration.Name,
binding.Arguments);
}
}
public static IRabbitMQQueueBuilder <TPayload> AddQueue <TPayload>(
this IRabbitMQConnectionBuilder connection,
string queueName)
{
var declaration = new RabbitMQQueueDeclaration(connection.ConnectionDeclaration, queueName);
connection.Services
.Configure <RabbitMQOptions>(
options => options.QueueDeclarations.Add(declaration));
return(new RabbitMQQueueBuilder <TPayload>(declaration));
}
// Consumers
public void BasicConsume(
IServiceProvider serviceProvider,
RabbitMQOptions options,
RabbitMQQueueDeclaration queue,
RabbitMQConsumerDeclaration declaration,
CancellationToken cancellationToken)
{
lock (@lock)
{
for (var index = 0; index < declaration.Count; index++)
{
channel.BasicConsume(
queue: queue.Name,
autoAck: declaration.AutoAck,
consumerTag: declaration.Tag is null
? string.Empty
: $"{declaration.Tag}_{index}",
noLocal: declaration.NoLocal,
exclusive: declaration.Exclusive,
arguments: declaration.Arguments,
consumer: new RabbitMQConsumer(channel, options, serviceProvider, declaration, cancellationToken));
}
}
}
// Queues
public void QueueDeclare(RabbitMQQueueDeclaration declaration)
{
lock (@lock)
{
if (declaration.NoWait)
{
channel.QueueDeclareNoWait(
queue: declaration.Name,
durable: declaration.Durable,
exclusive: declaration.Exclusive,
autoDelete: declaration.AutoDelete,
arguments: declaration.Arguments);
}
else
{
channel.QueueDeclare(
queue: declaration.Name,
durable: declaration.Durable,
exclusive: declaration.Exclusive,
autoDelete: declaration.AutoDelete,
arguments: declaration.Arguments);
}
}
}
