public override Task ReadAsync(CancellationToken cancellationToken, OnDeserializeEventDelegate onDeserializeEvent)
{
foreach (var uncommittedEvent in _uncommittedEvents)
{
onDeserializeEvent(uncommittedEvent.Data, uncommittedEvent.Metadata);
}
return(Task.CompletedTask);
}
public override async Task ReadAsync(CancellationToken cancellationToken, OnDeserializeEventDelegate wireDelegate)
{
using (var sr = new StreamReader(_source, Encoding.UTF8))
{
while (!sr.EndOfStream)
{
cancellationToken.ThrowIfCancellationRequested();
var json = await sr.ReadLineAsync();
var @event = JsonConvert.DeserializeObject(json, JsonSettings.Default);
wireDelegate(@event, null);
}
}
}
public override async Task ReadAsync(CancellationToken cancellationToken, OnDeserializeEventDelegate onDeserializeEvent)
{
var eventsCollection = _database.GetCollection <BsonDocument>(_settings.EventsCollectionName);
var sort = new BsonDocument
{
{ "timestamp", 1 },
{ "metadata.eventVersion", 1 }
};
var filterBuilder = new FilterDefinitionBuilder <BsonDocument>();
var filter = FilterDefinition <BsonDocument> .Empty;
if (Match != null)
{
filter = Match(filterBuilder);
}
var query = eventsCollection.Aggregate().Match(filter).Sort(sort);
query.Options.AllowDiskUse = true;
query.Options.BatchSize = BatchSize;
var cursor = await query.ToCursorAsync().ConfigureAwait(false);
while (await cursor.MoveNextAsync().ConfigureAwait(false))
{
foreach (var item in cursor.Current)
{
var @event = CreateEvent(item);
var metadata = CreateMetadata(item);
onDeserializeEvent(@event, metadata);
}
}
}
public abstract Task ReadAsync(CancellationToken cancellationToken, OnDeserializeEventDelegate onDeserializeEvent);
