/// <summary>
/// Registers a receiver using the <paramref name="configuration"/>
/// </summary>
/// <param name="configuration">
/// Receiver configuration
/// </param>
/// <param name="isCallback">
/// Denotes if a receiver should handle the callback messages
/// </param>
/// <returns>
/// The <see cref="RabbitReceiver"/>.
/// </returns>
public RabbitReceiver RegisterReceiver(IReceiverConfiguration configuration, bool isCallback = false)
{
this.logger.Trace(
$"Registering a new receiver of [{configuration.Label}] with connection string [{configuration.Options.GetConnectionString()}]");
RabbitReceiver receiver;
if (isCallback)
{
receiver = new RabbitCallbackReceiver(this, configuration, this.connectionPool);
// No need to subscribe to listener-created event as it will not be fired by the callback receiver. A callback listener is not checked with listeners in other receivers for compatibility.
}
else
{
receiver = new RabbitReceiver(this, configuration, this.connectionPool);
receiver.ListenerCreated += this.OnListenerCreated;
}
this.ComponentTracker.Register(receiver);
this.logger.Trace(
$"A receiver of [{configuration.Label}] with connection string [{configuration.Options.GetConnectionString()}] registered successfully");
return(receiver);
}
/// <summary>
/// The resolve for.
/// </summary>
/// <param name="configuration">
/// The configuration.
/// </param>
/// <returns>
/// The <see cref="Listener"/>.
/// </returns>
public Listener ResolveFor(IReceiverConfiguration configuration)
{
using (RabbitChannel channel = this.bus.OpenChannel())
{
var topologyBuilder = new TopologyBuilder(channel);
var builder = new SubscriptionEndpointBuilder(this.bus.Endpoint, topologyBuilder, configuration);
Maybe <Func <ISubscriptionEndpointBuilder, ISubscriptionEndpoint> > endpointBuilder = configuration.Options.GetEndpointBuilder();
Assumes.True(endpointBuilder != null, "EndpointBuilder is null for [{0}].", configuration.Label);
ISubscriptionEndpoint endpoint = endpointBuilder.Value(builder);
lock (this.listeners)
{
Listener listener = this.listeners.FirstOrDefault(l => l.Endpoint.ListeningSource.Equals(endpoint.ListeningSource));
if (listener == null)
{
listener = new Listener(this.bus, endpoint, (RabbitReceiverOptions)configuration.Options, this.bus.Configuration.ValidatorRegistry);
this.listeners.Add(listener);
}
else
{
EnsureConfigurationIsCompatible(listener, configuration);
}
return(listener);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RabbitReceiver"/> class.
/// </summary>
/// <param name="bus">A reference to the bus containing the receiver</param>
/// <param name="configuration">
/// The configuration.
/// </param>
/// <param name="connectionPool">
/// A bus connection pool
/// </param>
public RabbitReceiver(RabbitBus bus, IReceiverConfiguration configuration, IConnectionPool <IRabbitConnection> connectionPool)
: base(configuration)
{
this.bus = bus;
this.connectionPool = connectionPool;
this.receiverOptions = (RabbitReceiverOptions)configuration.Options;
this.logger = LogManager.GetLogger($"{this.GetType().FullName}(Endpoint=\"{this.bus.Endpoint}\")");
}
/// <summary>
/// Registers a receiver using the <paramref name="configuration"/>
/// </summary>
/// <param name="configuration">
/// Receiver configuration
/// </param>
/// <returns>
/// The <see cref="RabbitReceiver"/>.
/// </returns>
public RabbitReceiver RegisterReceiver(IReceiverConfiguration configuration)
{
this.logger.Trace(
$"Registering a new receiver of [{configuration.Label}] with connection string [{configuration.Options.GetConnectionString()}]");
var receiver = new RabbitReceiver(this, configuration, this.connectionPool);
receiver.ListenerRegistered += this.OnListenerRegistered;
this.ComponentTracker.Register(receiver);
this.logger.Trace(
$"A receiver of [{configuration.Label}] with connection string [{configuration.Options.GetConnectionString()}] registered successfully");
return(receiver);
}
/// <summary>
/// The ensure configuration is compatible.
/// </summary>
/// <param name="listener">
/// The listener.
/// </param>
/// <param name="configuration">
/// The configuration.
/// </param>
/// <exception cref="BusConfigurationException">
/// </exception>
private static void EnsureConfigurationIsCompatible(Listener listener, IReceiverConfiguration configuration)
{
RabbitReceiverOptions existing = listener.ReceiverOptions;
var other = (RabbitReceiverOptions)configuration.Options;
Action <Func <RabbitReceiverOptions, object>, string> compareAndThrow = (getOption, optionName) =>
{
if (getOption(existing) != getOption(other))
{
throw new BusConfigurationException("Listener on [{0}] is not compatible with subscription of [{1}] due to option mismatch [{2}].".FormatEx(listener.Endpoint.ListeningSource, configuration.Label, optionName));
}
};
compareAndThrow(o => o.IsAcceptRequired(), "AcceptIsRequired");
compareAndThrow(o => o.GetParallelismLevel(), "ParallelismLevel");
compareAndThrow(o => o.GetFailedDeliveryStrategy(), "FailedDeliveryStrategy");
compareAndThrow(o => o.GetQoS(), "QoS");
}
/// <summary>
/// Инициализирует новый экземпляр класса <see cref="SubscriptionEndpointBuilder"/>.
/// </summary>
/// <param name="endpoint">Конечная точка шины сообщений.</param>
/// <param name="topology">Построитель топологии шины сообщений.</param>
/// <param name="receiver">Конфигурация получателя ответных сообщений.</param>
public SubscriptionEndpointBuilder(IEndpoint endpoint, ITopologyBuilder topology, IReceiverConfiguration receiver)
{
this.Endpoint = endpoint;
this.Topology = topology;
this.Receiver = receiver;
}
/// <summary>
/// Инициализирует новый экземпляр класса <see cref="AbstractReceiver"/>.
/// </summary>
/// <param name="configuration">
/// The configuration.
/// </param>
protected AbstractReceiver(IReceiverConfiguration configuration)
{
this.Configuration = configuration;
}
public RabbitCallbackReceiver(RabbitBus bus, IReceiverConfiguration configuration, IConnectionPool <IRabbitConnection> connectionPool)
: base(bus, configuration, connectionPool)
{
}
/// <summary>
/// Инициализирует новый экземпляр класса <see cref="RabbitReceiver"/>.
/// </summary>
/// <param name="configuration">
/// The configuration.
/// </param>
/// <param name="listenerRegistry">
/// The listener registry.
/// </param>
public RabbitReceiver(IReceiverConfiguration configuration, ListenerRegistry listenerRegistry)
: base(configuration)
{
this.listenerRegistry = listenerRegistry;
}
/// <summary>
/// Инициализирует новый экземпляр класса <see cref="SubscriptionEndpointBuilder"/>.
/// </summary>
/// <param name="endpoint">Конечная точка шины сообщений.</param>
/// <param name="topology">Построитель топологии шины сообщений.</param>
/// <param name="receiver">Конфигурация получателя ответных сообщений.</param>
public SubscriptionEndpointBuilder(IEndpoint endpoint, ITopologyBuilder topology, IReceiverConfiguration receiver)
{
this.Endpoint = endpoint;
this.Topology = topology;
this.Receiver = receiver;
}
/// <summary>
/// The resolve for.
/// </summary>
/// <param name="configuration">
/// The configuration.
/// </param>
/// <returns>
/// The <see cref="Listener"/>.
/// </returns>
public Listener ResolveFor(IReceiverConfiguration configuration)
{
using (RabbitChannel channel = this.bus.OpenChannel())
{
var topologyBuilder = new TopologyBuilder(channel);
var builder = new SubscriptionEndpointBuilder(this.bus.Endpoint, topologyBuilder, configuration);
Maybe<Func<ISubscriptionEndpointBuilder, ISubscriptionEndpoint>> endpointBuilder = configuration.Options.GetEndpointBuilder();
Assumes.True(endpointBuilder != null, "EndpointBuilder is null for [{0}].", configuration.Label);
ISubscriptionEndpoint endpoint = endpointBuilder.Value(builder);
lock (this.listeners)
{
Listener listener = this.listeners.FirstOrDefault(l => l.Endpoint.ListeningSource.Equals(endpoint.ListeningSource));
if (listener == null)
{
listener = new Listener(this.bus, endpoint, (RabbitReceiverOptions)configuration.Options, this.bus.Configuration.ValidatorRegistry);
this.listeners.Add(listener);
}
else
{
EnsureConfigurationIsCompatible(listener, configuration);
}
return listener;
}
}
}
/// <summary>
/// The ensure configuration is compatible.
/// </summary>
/// <param name="listener">
/// The listener.
/// </param>
/// <param name="configuration">
/// The configuration.
/// </param>
/// <exception cref="BusConfigurationException">
/// </exception>
private static void EnsureConfigurationIsCompatible(Listener listener, IReceiverConfiguration configuration)
{
RabbitReceiverOptions existing = listener.ReceiverOptions;
var other = (RabbitReceiverOptions)configuration.Options;
Action<Func<RabbitReceiverOptions, object>, string> compareAndThrow = (getOption, optionName) =>
{
if (getOption(existing) != getOption(other))
{
throw new BusConfigurationException("Listener on [{0}] is not compatible with subscription of [{1}] due to option mismatch [{2}].".FormatEx(listener.Endpoint.ListeningSource, configuration.Label, optionName));
}
};
compareAndThrow(o => o.IsAcceptRequired(), "AcceptIsRequired");
compareAndThrow(o => o.GetParallelismLevel(), "ParallelismLevel");
compareAndThrow(o => o.GetFailedDeliveryStrategy(), "FailedDeliveryStrategy");
compareAndThrow(o => o.GetQoS(), "QoS");
}