public OptimisticEventStream(Snapshot snapshot, ICommitEvents persistence, int maxRevision)
: this(snapshot.StreamId, persistence)
{
var commits = persistence.GetFrom(snapshot.StreamId, snapshot.StreamRevision, maxRevision);
this.PopulateStream(snapshot.StreamRevision + 1, maxRevision, commits);
this.StreamRevision = snapshot.StreamRevision + this.committed.Count;
}
public virtual IEventStream OpenStream(Snapshot snapshot, int maxRevision)
{
if (snapshot == null)
throw new ArgumentNullException("snapshot");
Logger.Debug(Resources.OpeningStreamWithSnapshot, snapshot.StreamId, snapshot.StreamRevision, maxRevision);
maxRevision = maxRevision <= 0 ? int.MaxValue : maxRevision;
return new OptimisticEventStream(snapshot, this, maxRevision);
}
public virtual IEventStream OpenStream(Snapshot snapshot, int maxRevision)
{
maxRevision = maxRevision <= 0 ? int.MaxValue : maxRevision;
return new OptimisticEventStream(snapshot, this, maxRevision);
}
public virtual bool AddSnapshot(Snapshot snapshot)
{
return this.persistence.AddSnapshot(snapshot); // TODO: update the cache here
}
private void CreateSnapshots(IEnumerable<StreamHead> streams)
{
foreach (StreamHead head in streams)
{
//NOTE: This uses a patched version of EventStore that loads commit headers in OptimisticEventStream.PopulateStream()
// <code>
// this.identifiers.Add(commit.CommitId);
// this.headers = this.headers.Union(commit.Headers).ToDictionary(k => k.Key, k => k.Value);
// </code>
var stream = eventStore.OpenStream(head.StreamId, int.MinValue, int.MaxValue);
//NOTE: Nasty hack but it works.
var aggregateType = stream.UncommittedHeaders.Where(p=>p.Key=="AggregateType").First();
var type = aggregateTypeResolver(aggregateType.Value.ToString());
MethodInfo methodInfo = typeof(IRepository).GetMethod("GetById");
MethodInfo method = methodInfo.MakeGenericMethod(type);
object o = method.Invoke(repository, new object[]{head.StreamId, head.HeadRevision});
var aggregate = (IAggregate) o;
IMemento memento = aggregate.GetSnapshot();
var snapshot = new Snapshot(head.StreamId, head.HeadRevision, memento);
eventStore.AddSnapshot(snapshot);
observer.Notify(new SnapshotTaken(head.StreamId, head.HeadRevision));
}
}
public virtual IEventStream OpenStream(Snapshot snapshot, int maxRevision)
{
maxRevision = maxRevision <= 0 ? int.MaxValue : maxRevision;
return(new OptimisticEventStream(snapshot, this, maxRevision));
}
public virtual bool AddSnapshot(Snapshot snapshot)
{
return(this.persistence.AddSnapshot(snapshot)); // TODO: update the cache here
}
public virtual IEventStream OpenStream(Snapshot snapshot, int maxRevision)
{
Logger.Debug(Resources.OpeningStreamWithSnapshot, snapshot.StreamId, snapshot.StreamRevision, maxRevision);
maxRevision = maxRevision <= 0 ? int.MaxValue : maxRevision;
return new OptimisticEventStream(snapshot, this, maxRevision);
}
