/// <summary>
/// Process the received <see cref="Event"/> using the specified <paramref name="eventHandler"/>.
/// </summary>
/// <param name="eventHandler">The <see cref="EventHandler"/> to be executed.</param>
/// <param name="context">The underlying <see cref="EventContext"/> to use when executing the specified <paramref name="eventHandler"/>.</param>
private void ExecuteHandler(EventHandler eventHandler, EventContext context)
{
var backoffContext = default(ExponentialBackoff);
var done = false;
do
{
try
{
eventHandler.Handle(context);
done = true;
}
catch (Exception ex)
{
if (!transientErrorRegistry.IsTransient(ex))
{
throw;
}
backoffContext = backoffContext ?? new ExponentialBackoff(retryTimeout);
backoffContext.WaitOrTimeout(ex);
Log.Warn(ex.Message);
}
} while (!done);
}
public void InvokeUnderlyingExecutorWithEventAndHandlerInstance()
{
var handled = false;
var e = new FakeEvent();
var handler = new Object();
var eventHandler = new EventHandler(typeof(Object), typeof(FakeEvent), (a, b) => { handled = a == handler && b == e; }, () => handler);
using (var context = new EventContext(GuidStrategy.NewGuid(), HeaderCollection.Empty, e))
eventHandler.Handle(context);
Assert.True(handled);
}
public void ContextCannotBeNull()
{
var eventHandler = new EventHandler(typeof(Object), typeof(FakeEvent), (h, e) => { }, () => new Object());
Assert.Throws <ArgumentNullException>(() => eventHandler.Handle(null));
}