private static void PerfLoadNewRei(Guid formId, String rei, Int32 snapInterval, ControlCatalog catalog, IEnumerable<ControlRule> rules)
{
var newInstance = new ReportingEntityInstance(formId, rei);
var fields = new String[]{ "FirstName", "LastName", "Age", "Email", "FavoriteFood" };
Stopwatch sw = new Stopwatch();
Console.WriteLine($"Starting the creation of {rei}");
sw.Start();
for (int i = 0; i < 10000; i++)
{
var field = fields[i % 5];
newInstance.AddAnswer(field, catalog, rules, "answer" + i.ToString());
EventStore.PersistEvents(_eventCollection, newInstance);
if (i > 0 && i%snapInterval == 0)
{
var snap = newInstance.TakeSnapshot();
EventStore.TakeSnapshot(_snapshotCollection, snap);
}
}
sw.Stop();
Console.WriteLine($"Took {sw.ElapsedMilliseconds} ms to write 10000 answers with interval of {snapInterval}");
sw.Reset();
sw.Start();
var fullInstance = new ReportingEntityInstance(formId, rei);
EventStore.LoadDomain(_eventCollection, fullInstance, formId, rei);
sw.Stop();
Console.WriteLine($"Took {sw.ElapsedMilliseconds} ms to load domain by replaying events");
sw.Reset();
sw.Start();
var snapInstance = new ReportingEntityInstance(formId, rei);
snapInstance.LoadSnapshot(EventStore.GetSnapshot(_snapshotCollection, rei));
EventStore.LoadDomainStartingAtVersion(_eventCollection, snapInstance, formId, rei, snapInstance.Version);
sw.Stop();
Console.WriteLine($"Took {sw.ElapsedMilliseconds} ms to load domain from snapshot");
Console.WriteLine("Replay instance status: ");
DisplayDomainStatus(fullInstance);
Console.WriteLine("Snapshot instance status: ");
DisplayDomainStatus(snapInstance);
}
private static ReportingEntityInstance LoadFromSnapshot(Guid formId, String rei)
{
var snapshot = EventStore.GetSnapshot(_snapshotCollection, rei);
var instance = new ReportingEntityInstance(formId, rei);
instance.LoadSnapshot(snapshot);
EventStore.LoadDomainStartingAtVersion(_eventCollection, instance, instance.FormDefinitionId, instance.ReportingEntityId, instance.Version);
return instance;
}