/// <summary>
/// Receive messages from message queue.
/// This method will register the given function to consume queue.
/// </summary>
/// <param name="name">Name of queue or whatever using to describing work/job/event. Same as Send method's name.</param>
/// <param name="func">Receiver function.</param>
/// <returns>Returns true if receiver method registered successfully, otherwise returns false.</returns>
/// <exception cref="ArgumentNullException">Throws when name or func is null.</exception>
public bool Receive(string name, Func <string, bool> func)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
if (func == null)
{
throw new ArgumentNullException(nameof(func));
}
// Get new channel and connect receiver to it.
_channelFactory.Channel(channel =>
{
// Prepare channel to consume messages and retry.
var queueName = name;
// To consume.
var exchangeName = PrepareChannel(channel, queueName);
// To retry.
PrepareChannelForRetry(channel, queueName, exchangeName);
channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);
// Create new consumer.
var consumer = _eventingBasicConsumerImpl.GetEventingBasicConsumer(channel);
// Register to job received event.
consumer.Received += (model, ea) => { this.Invoke(func, ea, channel, queueName); };
// Start consuming.
channel.BasicConsume(queueName, autoAck: false, consumer: consumer);
});
return(true);
}
