public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, RabbitMqReceiveSettings settings, IConsumePipe consumePipe)
: base(consumePipe)
{
_host = host;
_settings = settings;
}
public static ReceiveSettings GetReceiveSettings(this Uri address)
{
var hostAddress = new RabbitMqHostAddress(address);
var endpointAddress = new RabbitMqEndpointAddress(hostAddress, address);
var topologyConfiguration = new RabbitMqTopologyConfiguration(RabbitMqBusFactory.MessageTopology);
var endpointConfiguration = new RabbitMqEndpointConfiguration(topologyConfiguration);
var settings = new RabbitMqReceiveSettings(endpointConfiguration, endpointAddress.Name, endpointAddress.ExchangeType,
endpointAddress.Durable, endpointAddress.AutoDelete)
{
QueueName = endpointAddress.Name,
Exclusive = endpointAddress.AutoDelete && !endpointAddress.Durable
};
if (hostAddress.Prefetch.HasValue)
{
settings.PrefetchCount = hostAddress.Prefetch.Value;
}
if (hostAddress.TimeToLive.HasValue)
{
settings.QueueArguments.Add(Headers.XMessageTTL, hostAddress.TimeToLive.Value.ToString("F0", CultureInfo.InvariantCulture));
}
return(settings);
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, RabbitMqReceiveSettings settings, IConsumePipe consumePipe)
: base(consumePipe)
{
_host = host;
_settings = settings;
}
public RabbitMqBusBuilder(RabbitMqHost[] hosts, IConsumePipeSpecification consumePipeSpecification, RabbitMqReceiveSettings busSettings)
: base(consumePipeSpecification, hosts)
{
_hosts = hosts;
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, ConsumePipe);
}
public RabbitMqBusBuilder(RabbitMqHost[] hosts, IConsumePipeFactory consumePipeFactory, ISendPipeFactory sendPipeFactory,
IPublishPipeFactory publishPipeFactory, RabbitMqReceiveSettings busSettings)
: base(consumePipeFactory, sendPipeFactory, publishPipeFactory, hosts)
{
_hosts = hosts;
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, ConsumePipe);
}
public RabbitMqReceiveEndpointConfiguration(IRabbitMqHostConfiguration hostConfiguration, string queueName,
IRabbitMqEndpointConfiguration endpointConfiguration)
: this(hostConfiguration, endpointConfiguration)
{
BindMessageExchanges = true;
_settings = new RabbitMqReceiveSettings(queueName, endpointConfiguration.Topology.Consume.ExchangeTypeSelector.DefaultExchangeType, true, false);
}
public RabbitMqBusBuilder(RabbitMqHost[] hosts, IConsumePipeFactory consumePipeFactory, ISendPipeFactory sendPipeFactory,
IPublishPipeFactory publishPipeFactory, RabbitMqReceiveSettings busSettings)
: base(consumePipeFactory, sendPipeFactory, publishPipeFactory, hosts)
{
_hosts = hosts;
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, ConsumePipe);
}
public RabbitMqReceiveEndpointSpecification(IRabbitMqHost host, RabbitMqReceiveSettings settings, IConsumePipe consumePipe)
: base(consumePipe)
{
_host = host;
_settings = settings;
_managementPipe = new ManagementPipe();
_exchangeBindings = new List <ExchangeBindingSettings>();
}
public RabbitMqBusBuilder(IEnumerable<RabbitMqHost> hosts, IConsumePipeSpecification consumePipeSpecification, RabbitMqReceiveSettings busSettings)
: base(consumePipeSpecification)
{
_hosts = hosts.ToArray();
_busConsumePipe = CreateConsumePipe();
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, _busConsumePipe);
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, RabbitMqReceiveSettings settings, IConsumePipe consumePipe)
: base(consumePipe)
{
_host = host;
_settings = settings;
_mediator = new Mediator <ISetPrefetchCount>();
_exchangeBindings = new List <ExchangeBindingSettings>();
}
public RabbitMqReceiveEndpointSpecification(IRabbitMqHost host, IRabbitMqEndpointConfiguration configuration,
RabbitMqReceiveSettings settings)
: base(configuration)
{
_host = host;
_configuration = configuration;
_settings = settings;
_managementPipe = new ManagementPipe();
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, RabbitMqReceiveSettings settings, IConsumePipe consumePipe)
: base(consumePipe)
{
_host = host;
_settings = settings;
_mediator = new Mediator<ISetPrefetchCount>();
_exchangeBindings = new List<ExchangeBindingSettings>();
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, string queueName = null, IConsumePipe consumePipe = null)
: base(consumePipe)
{
_host = host;
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
ExchangeName = queueName
};
}
public RabbitMqBusFactoryConfigurator(IRabbitMqBusConfiguration configuration, IRabbitMqEndpointConfiguration busEndpointConfiguration)
: base(configuration, busEndpointConfiguration)
{
_configuration = configuration;
_busEndpointConfiguration = busEndpointConfiguration;
var queueName = busEndpointConfiguration.Topology.Consume.CreateTemporaryQueueName("bus-");
_settings = new RabbitMqReceiveSettings(queueName, busEndpointConfiguration.Topology.Consume.ExchangeTypeSelector.DefaultExchangeType, false, true);
_settings.AutoDeleteAfter(TimeSpan.FromMinutes(1));
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, string queueName = null, IConsumePipe consumePipe = null)
: base(consumePipe)
{
_host = host;
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
ExchangeName = queueName
};
}
public RabbitMqBusBuilder(RabbitMqHost[] hosts, IConsumePipeFactory consumePipeFactory, ISendPipeFactory sendPipeFactory,
IPublishPipeFactory publishPipeFactory, RabbitMqReceiveSettings busSettings, ModelSettings modelSettings)
: base(consumePipeFactory, sendPipeFactory, publishPipeFactory, hosts)
{
_hosts = hosts;
_modelSettings = modelSettings;
_autoDeleteCacheTimeout = TimeSpan.FromMinutes(1);
_sendEndpointCacheTimeout = TimeSpan.FromDays(1);
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, ConsumePipe);
}
public RabbitMqBusBuilder(RabbitMqHost[] hosts, IConsumePipeFactory consumePipeFactory, ISendPipeFactory sendPipeFactory,
IPublishPipeFactory publishPipeFactory, RabbitMqReceiveSettings busSettings, ModelSettings modelSettings)
: base(consumePipeFactory, sendPipeFactory, publishPipeFactory, hosts)
{
_hosts = hosts;
_modelSettings = modelSettings;
_autoDeleteCacheTimeout = TimeSpan.FromMinutes(1);
_sendEndpointCacheTimeout = TimeSpan.FromDays(1);
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, ConsumePipe);
}
public RabbitMqBusFactoryConfigurator(IRabbitMqEndpointConfiguration configuration)
: base(configuration)
{
_configuration = configuration;
_hosts = new BusHostCollection <RabbitMqHost>();
var queueName = _configuration.Topology.Consume.CreateTemporaryQueueName("bus-");
_settings = new RabbitMqReceiveSettings(queueName, "fanout", false, true);
_settings.SetQueueArgument("x-expires", TimeSpan.FromMinutes(1));
_settings.SetExchangeArgument("x-expires", TimeSpan.FromMinutes(1));
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, string queueName = null, IConsumePipe consumePipe = null)
: base(consumePipe)
{
_host = host;
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
};
_mediator = new Mediator <ISetPrefetchCount>();
_exchangeBindings = new List <ExchangeBindingSettings>();
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, string queueName = null, IConsumePipe consumePipe = null)
: base(consumePipe)
{
_host = host;
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
};
_mediator = new Mediator<ISetPrefetchCount>();
_exchangeBindings = new List<ExchangeBindingSettings>();
}
async Task IFilter <ModelContext> .Send(ModelContext context, IPipe <ModelContext> next)
{
await context.BasicQos(0, _prefetchCount, true).ConfigureAwait(false);
var queueOk = await context.QueueDeclare(_settings.QueueName, _settings.Durable, _settings.Exclusive,
_settings.AutoDelete, _settings.QueueArguments).ConfigureAwait(false);
var queueName = queueOk.QueueName;
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Queue: {0} ({1})", queueName,
string.Join(", ", new[]
{
_settings.Durable ? "durable" : "",
_settings.Exclusive ? "exclusive" : "",
_settings.AutoDelete ? "auto-delete" : ""
}.Where(x => !string.IsNullOrWhiteSpace(x))));
}
if (_settings.PurgeOnStartup)
{
await PurgeIfRequested(context, queueOk, queueName).ConfigureAwait(false);
}
var exchangeName = _settings.ExchangeName ?? queueName;
if (!string.IsNullOrWhiteSpace(exchangeName))
{
await context.ExchangeDeclare(exchangeName, _settings.ExchangeType, _settings.Durable, _settings.AutoDelete,
_settings.ExchangeArguments).ConfigureAwait(false);
await context.QueueBind(queueName, exchangeName, "", new Dictionary <string, object>()).ConfigureAwait(false);
}
await ApplyExchangeBindings(context, exchangeName).ConfigureAwait(false);
ReceiveSettings settings = new RabbitMqReceiveSettings(_settings)
{
QueueName = queueName,
ExchangeName = exchangeName
};
context.GetOrAddPayload(() => settings);
using (new SetModelPrefetchCountProxy(_prefetchCountMediator, context, this))
{
await next.Send(context).ConfigureAwait(false);
}
}
public RabbitMqReceiveEndpointSpecification(IRabbitMqHost host, IRabbitMqEndpointConfiguration configuration, string queueName = null)
: base(configuration)
{
_host = host;
_configuration = configuration;
_bindMessageExchanges = true;
_settings = new RabbitMqReceiveSettings(queueName, configuration.Topology.Consume.ExchangeTypeSelector.DefaultExchangeType, true, false)
{
QueueName = queueName
};
_managementPipe = new ManagementPipe();
}
public RabbitMqReceiveEndpointConfigurator(IRabbitMqHost host, string queueName = null, IConsumePipe consumePipe = null)
: base(consumePipe)
{
_host = host;
_bindMessageExchanges = true;
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
};
_managementPipe = new ManagementPipe();
_exchangeBindings = new List <ExchangeBindingSettings>();
}
public RabbitMqBusBuilder(BusHostCollection<RabbitMqHost> hosts, IConsumePipeFactory consumePipeFactory, ISendPipeFactory sendPipeFactory,
IPublishPipeFactory publishPipeFactory, RabbitMqReceiveSettings busSettings)
: base(consumePipeFactory, sendPipeFactory, publishPipeFactory, hosts)
{
_hosts = hosts;
_busEndpointSpecification = new RabbitMqReceiveEndpointSpecification(_hosts[0], busSettings, ConsumePipe);
foreach (var host in hosts.Hosts)
{
var factory = new RabbitMqReceiveEndpointFactory(this, host);
host.ReceiveEndpointFactory = factory;
}
}
public RabbitMqBusBuilder(BusHostCollection <RabbitMqHost> hosts, IConsumePipeFactory consumePipeFactory, ISendPipeFactory sendPipeFactory,
IPublishPipeFactory publishPipeFactory, RabbitMqReceiveSettings busSettings)
: base(consumePipeFactory, sendPipeFactory, publishPipeFactory, hosts)
{
_hosts = hosts;
_busEndpointSpecification = new RabbitMqReceiveEndpointSpecification(_hosts[0], busSettings, ConsumePipe);
foreach (var host in hosts.Hosts)
{
var factory = new RabbitMqReceiveEndpointFactory(this, host);
host.ReceiveEndpointFactory = factory;
}
}
public RabbitMqBusFactoryConfigurator()
{
_hosts = new List<RabbitMqHost>();
_transportBuilderConfigurators = new List<IBusFactorySpecification>();
string queueName = this.GetTemporaryQueueName("bus-");
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
AutoDelete = true,
Durable = false
};
_settings.QueueArguments["x-expires"] = 60000;
_settings.ExchangeArguments["x-expires"] = 60000;
}
public RabbitMqBusFactoryConfigurator()
{
_hosts = new BusHostCollection <RabbitMqHost>();
var queueName = ((IRabbitMqHost)null).GetTemporaryQueueName("bus-");
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
AutoDelete = true,
Durable = false
};
_settings.QueueArguments["x-expires"] = 60000;
_settings.ExchangeArguments["x-expires"] = 60000;
}
public void Bind(string exchangeName, Action <IExchangeBindingConfigurator> callback)
{
if (exchangeName == null)
{
throw new ArgumentNullException(nameof(exchangeName));
}
if (callback == null)
{
throw new ArgumentNullException(nameof(callback));
}
var exchangeSettings = new RabbitMqReceiveSettings(_settings);
callback(exchangeSettings);
_exchangeBindings.AddRange(exchangeSettings.GetExchangeBindings(exchangeName));
}
public RabbitMqBusFactoryConfigurator()
{
_hosts = new List <RabbitMqHost>();
_transportBuilderConfigurators = new List <IBusFactorySpecification>();
string queueName = this.GetTemporaryQueueName("bus-");
_settings = new RabbitMqReceiveSettings
{
QueueName = queueName,
AutoDelete = true,
Durable = false
};
_settings.QueueArguments["x-expires"] = 60000;
_settings.ExchangeArguments["x-expires"] = 60000;
}
public RabbitMqBusBuilder(BusHostCollection <RabbitMqHost> hosts, RabbitMqReceiveSettings busSettings,
IRabbitMqEndpointConfiguration configuration)
: base(hosts, configuration)
{
_hosts = hosts;
var endpointConfiguration = configuration.CreateNewConfiguration(ConsumePipe);
_busEndpointSpecification = new RabbitMqReceiveEndpointSpecification(_hosts[0], endpointConfiguration, busSettings);
foreach (var host in hosts.Hosts)
{
var factory = new RabbitMqReceiveEndpointFactory(this, host, configuration);
host.ReceiveEndpointFactory = factory;
}
}
public RabbitMqReceiveEndpointConfiguration(IRabbitMqHostConfiguration hostConfiguration, RabbitMqReceiveSettings settings,
IRabbitMqEndpointConfiguration endpointConfiguration)
: base(endpointConfiguration)
{
_hostConfiguration = hostConfiguration;
_settings = settings;
_endpointConfiguration = endpointConfiguration;
BindMessageExchanges = true;
_managementPipe = new ManagementPipe();
_connectionConfigurator = new PipeConfigurator <ConnectionContext>();
_modelConfigurator = new PipeConfigurator <ModelContext>();
_inputAddress = new Lazy <Uri>(FormatInputAddress);
}
public static ReceiveSettings GetReceiveSettings(this Uri address)
{
var hostAddress = new RabbitMqHostAddress(address);
var endpointAddress = new RabbitMqEndpointAddress(hostAddress, address);
ReceiveSettings settings = new RabbitMqReceiveSettings(endpointAddress.Name, endpointAddress.ExchangeType, endpointAddress.Durable,
endpointAddress.AutoDelete)
{
QueueName = endpointAddress.Name,
PrefetchCount = hostAddress.Prefetch ?? (ushort)(Environment.ProcessorCount * 2),
Exclusive = endpointAddress.AutoDelete && !endpointAddress.Durable
};
if (hostAddress.TimeToLive.HasValue)
{
settings.QueueArguments.Add(Headers.XMessageTTL, hostAddress.TimeToLive.Value.ToString("F0", CultureInfo.InvariantCulture));
}
return(settings);
}
public RabbitMqReceiveEndpointConfiguration(IRabbitMqHostConfiguration hostConfiguration, RabbitMqReceiveSettings settings,
IRabbitMqEndpointConfiguration endpointConfiguration)
: base(hostConfiguration, endpointConfiguration)
{
_hostConfiguration = hostConfiguration;
_settings = settings;
_endpointConfiguration = endpointConfiguration;
_managementPipe = new ManagementPipe();
_connectionConfigurator = new PipeConfigurator <ConnectionContext>();
_modelConfigurator = new PipeConfigurator <ModelContext>();
_inputAddress = new Lazy <Uri>(FormatInputAddress);
if (settings.QueueName == RabbitMqExchangeNames.ReplyTo)
{
settings.ExchangeName = null;
settings.BindQueue = true;
settings.NoAck = true;
}
}
public static ReceiveSettings GetReceiveSettings(this Uri address)
{
if (string.Compare("rabbitmq", address.Scheme, StringComparison.OrdinalIgnoreCase) != 0)
{
throw new RabbitMqAddressException("The invalid scheme was specified: " + address.Scheme);
}
var connectionFactory = new ConnectionFactory
{
HostName = address.Host,
UserName = "******",
Password = "******",
};
if (address.IsDefaultPort)
{
connectionFactory.Port = 5672;
}
else if (!address.IsDefaultPort)
{
connectionFactory.Port = address.Port;
}
string name = address.AbsolutePath.Substring(1);
string[] pathSegments = name.Split('/');
if (pathSegments.Length == 2)
{
connectionFactory.VirtualHost = Uri.UnescapeDataString(pathSegments[0]);
name = pathSegments[1];
}
ushort heartbeat = address.Query.GetValueFromQueryString("heartbeat", connectionFactory.RequestedHeartbeat);
connectionFactory.RequestedHeartbeat = heartbeat;
if (name == "*")
{
string uri = address.GetComponents(UriComponents.Scheme | UriComponents.StrongAuthority | UriComponents.Path, UriFormat.UriEscaped);
if (uri.EndsWith("*"))
{
name = NewId.Next().ToString("NS");
uri = uri.Remove(uri.Length - 1) + name;
var builder = new UriBuilder(uri)
{
Query = string.IsNullOrEmpty(address.Query) ? "" : address.Query.Substring(1)
};
address = builder.Uri;
}
else
{
throw new InvalidOperationException("Uri is not properly formed");
}
}
else
{
VerifyQueueOrExchangeNameIsLegal(name);
}
ushort prefetch = address.Query.GetValueFromQueryString("prefetch", (ushort)Math.Max(Environment.ProcessorCount, 16));
int timeToLive = address.Query.GetValueFromQueryString("ttl", 0);
bool isTemporary = address.Query.GetValueFromQueryString("temporary", false);
bool durable = address.Query.GetValueFromQueryString("durable", !isTemporary);
bool exclusive = address.Query.GetValueFromQueryString("exclusive", isTemporary);
bool autoDelete = address.Query.GetValueFromQueryString("autodelete", isTemporary);
ReceiveSettings settings = new RabbitMqReceiveSettings(name, ExchangeType.Fanout, durable, autoDelete)
{
Exclusive = exclusive,
QueueName = name,
PrefetchCount = prefetch,
};
if (timeToLive > 0)
{
settings.QueueArguments.Add("x-message-ttl", timeToLive.ToString("F0", CultureInfo.InvariantCulture));
}
return(settings);
}
public IRabbitMqReceiveEndpointConfiguration CreateReceiveEndpointConfiguration(string queueName)
{
var settings = new RabbitMqReceiveSettings(queueName, _busConfiguration.Topology.Consume.ExchangeTypeSelector.DefaultExchangeType, true, false);
return(new RabbitMqReceiveEndpointConfiguration(this, settings, _busConfiguration.CreateEndpointConfiguration()));
}
public RabbitMqReceiveEndpointConfiguration(IRabbitMqHostConfiguration hostConfiguration, RabbitMqReceiveSettings settings,
IRabbitMqEndpointConfiguration endpointConfiguration)
: this(hostConfiguration, endpointConfiguration)
{
_settings = settings;
}
public RabbitMqBusBuilder(IEnumerable <RabbitMqHost> hosts, IConsumePipeSpecification consumePipeSpecification, RabbitMqReceiveSettings busSettings)
: base(consumePipeSpecification)
{
_hosts = hosts.ToArray();
_busConsumePipe = CreateConsumePipe();
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, _busConsumePipe);
}
public IRabbitMqReceiveEndpointConfiguration CreateReceiveEndpointConfiguration(RabbitMqReceiveSettings settings,
IRabbitMqEndpointConfiguration endpointConfiguration)
{
if (_hosts.Count == 0)
{
throw new ConfigurationException("At least one host must be configured");
}
return(new RabbitMqReceiveEndpointConfiguration(_hosts[0], settings, endpointConfiguration));
}
public void Bind(string exchangeName, Action<IExchangeBindingConfigurator> callback)
{
if (exchangeName == null)
throw new ArgumentNullException(nameof(exchangeName));
if (callback == null)
throw new ArgumentNullException(nameof(callback));
var exchangeSettings = new RabbitMqReceiveSettings(_settings);
callback(exchangeSettings);
_exchangeBindings.AddRange(exchangeSettings.GetExchangeBindings(exchangeName));
}
public static ReceiveSettings GetReceiveSettings(this Uri address)
{
if (string.Compare("rabbitmq", address.Scheme, StringComparison.OrdinalIgnoreCase) != 0)
throw new RabbitMqAddressException("The invalid scheme was specified: " + address.Scheme);
var connectionFactory = new ConnectionFactory
{
HostName = address.Host,
UserName = "******",
Password = "******",
};
if (address.IsDefaultPort)
connectionFactory.Port = 5672;
else if (!address.IsDefaultPort)
connectionFactory.Port = address.Port;
string name = address.AbsolutePath.Substring(1);
string[] pathSegments = name.Split('/');
if (pathSegments.Length == 2)
{
connectionFactory.VirtualHost = pathSegments[0];
name = pathSegments[1];
}
ushort heartbeat = address.Query.GetValueFromQueryString("heartbeat", connectionFactory.RequestedHeartbeat);
connectionFactory.RequestedHeartbeat = heartbeat;
if (name == "*")
{
string uri = address.GetLeftPart(UriPartial.Path);
if (uri.EndsWith("*"))
{
name = NewId.Next().ToString("NS");
uri = uri.Remove(uri.Length - 1) + name;
var builder = new UriBuilder(uri);
builder.Query = string.IsNullOrEmpty(address.Query) ? "" : address.Query.Substring(1);
address = builder.Uri;
}
else
throw new InvalidOperationException("Uri is not properly formed");
}
else
VerifyQueueOrExchangeNameIsLegal(name);
ushort prefetch = address.Query.GetValueFromQueryString("prefetch", (ushort)Math.Max(Environment.ProcessorCount, 16));
int timeToLive = address.Query.GetValueFromQueryString("ttl", 0);
bool isTemporary = address.Query.GetValueFromQueryString("temporary", false);
bool durable = address.Query.GetValueFromQueryString("durable", !isTemporary);
bool exclusive = address.Query.GetValueFromQueryString("exclusive", isTemporary);
bool autoDelete = address.Query.GetValueFromQueryString("autodelete", isTemporary);
ReceiveSettings settings = new RabbitMqReceiveSettings
{
AutoDelete = autoDelete,
Durable = durable,
Exclusive = exclusive,
QueueName = name,
PrefetchCount = prefetch,
};
if (timeToLive > 0)
settings.QueueArguments.Add("x-message-ttl", timeToLive.ToString("F0", CultureInfo.InvariantCulture));
return settings;
}
public RabbitMqBusBuilder(RabbitMqHost[] hosts, IConsumePipeSpecification consumePipeSpecification, RabbitMqReceiveSettings busSettings)
: base(consumePipeSpecification, hosts)
{
_hosts = hosts;
_busEndpointConfigurator = new RabbitMqReceiveEndpointConfigurator(_hosts[0], busSettings, ConsumePipe);
}