//Create an instance of the ExternalBusServices if one not already set for this app. Note that we do not support reinitialization here, so once you have
//set a command processor for the app, you can't call init again to set them - although the properties are not read-only so overwriting is possible
//if needed as a "get out of gaol" card.
private void InitExtServiceBus(IPolicyRegistry <string> policyRegistry,
IAmAnOutbox <Message> outbox,
int outboxTimeout,
IAmAProducerRegistry producerRegistry)
{
if (_bus == null)
{
lock (padlock)
{
if (_bus == null)
{
if (producerRegistry == null)
{
throw new ConfigurationException("A producer registry is required to create an external bus");
}
_bus = new ExternalBusServices();
if (outbox is IAmAnOutboxSync <Message> syncOutbox)
{
_bus.OutBox = syncOutbox;
}
if (outbox is IAmAnOutboxAsync <Message> asyncOutbox)
{
_bus.AsyncOutbox = asyncOutbox;
}
_bus.OutboxTimeout = outboxTimeout;
_bus.PolicyRegistry = policyRegistry;
_bus.ProducerRegistry = producerRegistry;
}
}
}
}
/// <summary>
/// The external service bus is a singleton as it has app lifetime to manage an Outbox.
/// This method clears the external service bus, so that the next attempt to use it will create a fresh one
/// It is mainly intended for testing, to allow the external service bus to be reset between tests
/// </summary>
public static void ClearExtServiceBus()
{
if (_bus != null)
{
lock (padlock)
{
if (_bus != null)
{
_bus.Dispose();
_bus = null;
}
}
}
}