public void CanAccelerateViewsByPartitioning()
{
// SomeRootView is intentionally slow - it takes ~ 1 second to process each event, so unless we process these
// two bad boys in parallel, we're not going to make it in 15 seconds
var viewManagers = new[]
{
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view1", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view2", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view3", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view4", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view5", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view6", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view7", "Position"),
new MongoDbViewManager<SomeRootView>(_mongoDatabase, "view8", "Position"),
};
var firstCommandProcessor = CreateCommandProcessor("1", viewManagers);
CreateCommandProcessor("2", viewManagers);
CreateCommandProcessor("3", viewManagers);
CreateCommandProcessor("4", viewManagers);
CreateCommandProcessor("5", viewManagers);
CreateCommandProcessor("6", viewManagers);
CreateCommandProcessor("7", viewManagers);
CreateCommandProcessor("8", viewManagers);
var lastResult = Enumerable.Range(0, 20)
.Select(i => firstCommandProcessor.ProcessCommand(new MakeSomeRootDoStuff("bimse")))
.Last();
var goal = TimeSpan.FromSeconds(45);
using (var statusTimer = new Timer(5000))
{
var state = new MongoDbAutoDistributionState(_mongoDatabase, "AutoDistribution");
statusTimer.Elapsed += (o, ea) =>
{
Console.WriteLine(@"--------------------------------------------
Distribution:
{0}
Views:
{1}",
string.Join(Environment.NewLine, state.GetCurrentState().Select(s => string.Format(" {0}: {1}", s.ManagerId, string.Join(", ", s.ViewIds)))),
string.Join(Environment.NewLine, viewManagers.Select(v => string.Format(" {0}: {1}", v.GetPosition().Result, v.GetType().GetPrettyName()))));
};
statusTimer.Start();
Task.WaitAll(viewManagers.Select(v => v.WaitUntilProcessed(lastResult, goal)).ToArray());
}
}
protected override void DoSetUp()
{
_state = new MongoDbAutoDistributionState(MongoHelper.InitializeTestDatabase(), "AutoDistribution");
}