public async Task Should_make_the_context_available_to_behaviors()
{
await Scenario.Define <Context>()
.WithEndpoint <Publisher>(b =>
b.When(c => c.Subscriber1Subscribed, session =>
{
var options = new PublishOptions();
options.GetExtensions().Set(new Publisher.PublishExtensionBehavior.Context
{
SomeProperty = "ItWorks"
});
return(session.Publish(new MyEvent(), options));
})
)
.WithEndpoint <Subscriber1>(b => b.When(async(session, context) =>
{
await session.Subscribe <MyEvent>();
if (context.HasNativePubSubSupport)
{
context.Subscriber1Subscribed = true;
}
}))
.Done(c => c.Subscriber1GotTheEvent)
.Repeat(r => r.For(Transports.Default))
.Should(c => Assert.True(c.Subscriber1GotTheEvent))
.Run();
}
/// <summary>
/// Enables the use of custom SqlTransaction instances for publish operations. The same transaction can be used in more than one publish operation.
/// </summary>
/// <param name="options">The <see cref="PublishOptions" /> to extend.</param>
/// <param name="transaction">SqlTransaction instance that will be used by any operations performed by the transport.</param>
public static void UseCustomSqlTransaction(this PublishOptions options, SqlTransaction transaction)
{
// When dispatching, the TransportTransaction is overwritten.
// The only way for a custom transaction to work is by using immediate dispatch and messages should only appear when the user commits the custom transaction.
// Which is exactly what will happen after NServiceBus dispatches this message immediately.
options.RequireImmediateDispatch();
var transportTransaction = new TransportTransaction();
transportTransaction.Set(SettingsKeys.IsUserProvidedTransactionKey, true);
transportTransaction.Set(SettingsKeys.TransportTransactionSqlTransactionKey, transaction);
options.GetExtensions().Set(transportTransaction);
}
/// <summary>
/// Enables the use of custom SqlConnection for publish operations.
/// </summary>
/// <param name="options">The <see cref="PublishOptions" /> to extend.</param>
/// <param name="connection">SqlConnection instance that will be used by any operations performed by the transport.</param>
public static void UseCustomSqlConnection(this PublishOptions options, SqlConnection connection)
{
if (connection == null)
{
throw new ArgumentException(nameof(connection));
}
options.RequireImmediateDispatch();
var transportTransaction = new TransportTransaction();
transportTransaction.Set(SettingsKeys.IsUserProvidedTransactionKey, true);
transportTransaction.Set(SettingsKeys.TransportTransactionSqlConnectionKey, connection);
options.GetExtensions().Set(transportTransaction);
}
public async Task <string> Post([FromBody] string orderId)
{
using (var connection = connectionFactory())
{
await connection.OpenAsync().ConfigureAwait(false);
using (var transaction = connection.BeginTransaction())
{
var dataContext = new FrontendDataContext(connection);
dataContext.Database.UseTransaction(transaction);
dataContext.Orders.Add(new Order
{
OrderId = orderId
});
var message = new OrderAccepted
{
OrderId = orderId
};
var options = new PublishOptions();
var transportTransaction = new TransportTransaction();
transportTransaction.Set(connection);
transportTransaction.Set(transaction);
options.GetExtensions().Set(transportTransaction);
await messageSession.Publish(message).ConfigureAwait(false);
await dataContext.SaveChangesAsync().ConfigureAwait(false);
transaction.Commit();
}
}
log.Info($"Order {orderId} accepted.");
return($"Order {orderId} accepted.");
}
