public void capture_events()
{
// SAMPLE: event-store-quickstart
var store = DocumentStore.For(_ =>
{
_.Connection(ConnectionSource.ConnectionString);
_.Events.InlineProjections.AggregateStreamsWith<QuestParty>();
});
var questId = Guid.NewGuid();
using (var session = store.OpenSession())
{
var started = new QuestStarted {Name = "Destroy the One Ring"};
var joined1 = new MembersJoined(1, "Hobbiton", "Frodo", "Merry");
// Start a brand new stream and commit the new events as
// part of a transaction
session.Events.StartStream<Quest>(questId, started, joined1);
session.SaveChanges();
// Append more events to the same stream
var joined2 = new MembersJoined(3, "Buckland", "Merry", "Pippen");
var joined3 = new MembersJoined(10, "Bree", "Aragorn");
var arrived = new ArrivedAtLocation { Day = 15, Location = "Rivendell" };
session.Events.Append(questId, joined2, joined3, arrived);
session.SaveChanges();
}
// ENDSAMPLE
// SAMPLE: events-fetching-stream
using (var session = store.OpenSession())
{
var events = session.Events.FetchStream(questId);
events.Each(evt =>
{
Console.WriteLine($"{evt.Version}.) {evt.Data}");
});
}
// ENDSAMPLE
// SAMPLE: events-aggregate-on-the-fly
using (var session = store.OpenSession())
{
// questId is the id of the stream
var party = session.Events.AggregateStream<QuestParty>(questId);
Console.WriteLine(party);
var party_at_version_3 = session.Events
.AggregateStream<QuestParty>(questId, 3);
var party_yesterday = session.Events
.AggregateStream<QuestParty>(questId, timestamp: DateTime.UtcNow.AddDays(-1));
}
// ENDSAMPLE
using (var session = store.OpenSession())
{
var party = session.Load<QuestParty>(questId);
Console.WriteLine(party);
}
}
public void Arrived(string location, int day)
{
var @event = new ArrivedAtLocation {Day = day, Location = location};
_events.Add(@event);
}
