Exemple #1
0
        public async Task GetEventsAsync(Func <StoredEvent, Task> callback, string streamFilter = null, string position = null, CancellationToken cancellationToken = default(CancellationToken))
        {
            var streamName = await connection.CreateProjectionAsync(projectionsManager, prefix, streamFilter);

            var sliceStart = ProjectionHelper.ParsePosition(position);

            StreamEventsSlice currentSlice;

            do
            {
                currentSlice = await connection.ReadStreamEventsForwardAsync(streamName, sliceStart, ReadPageSize, true);

                if (currentSlice.Status == SliceReadStatus.Success)
                {
                    sliceStart = currentSlice.NextEventNumber;

                    foreach (var resolved in currentSlice.Events)
                    {
                        var storedEvent = Formatter.Read(resolved);

                        await callback(storedEvent);
                    }
                }
            }while (!currentSlice.IsEndOfStream && !cancellationToken.IsCancellationRequested);
        }
Exemple #2
0
        public GetEventStoreSubscription(
            IEventStoreConnection eventStoreConnection,
            IEventSubscriber eventSubscriber,
            ProjectionsManager projectionsManager,
            string prefix,
            string position,
            string streamFilter)
        {
            Guard.NotNull(eventSubscriber, nameof(eventSubscriber));

            this.eventStoreConnection = eventStoreConnection;
            this.eventSubscriber      = eventSubscriber;
            this.position             = ProjectionHelper.ParsePositionOrNull(position);

            var streamName = eventStoreConnection.CreateProjectionAsync(projectionsManager, prefix, streamFilter).Result;

            subscription = SubscribeToStream(streamName);
        }