private async Task <DataSubscription> SubscribeToAttribute(string socketId, DataSubscription subscription)
{
var series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToAttributeSeriesId(subscription.Entity, subscription.Attribute));
subscription.Observer = new SeriesObserver(socketId, this);
var observerRef = await GrainClient.GrainFactory.CreateObjectReference <ISeriesObserver>(subscription.Observer);
await series.Subscribe(observerRef);
return(subscription);
}
public async Task <IEnumerable <AggregatedDataRange> > GetAggregatedAttributeData(Guid entity, Guid attribute, int aggregationSeconds, [FromQuery] long minTimeSecondsUtc, [FromQuery] long maxTimeSecondsUtc)
{
var timeRange = new TimeRange(minTimeSecondsUtc, maxTimeSecondsUtc);
IAttributeSeriesGrain series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToAttributeSeriesId(entity, attribute));
var data = await series.GetAggregatedData(timeRange, aggregationSeconds);
return(data);
}
private async Task <FetchAggregatedAttributeDataResponse> ReceiveFetchAggregatedAttributeDataRequest(FetchAggregatedAttributeDataRequest request)
{
var series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToAttributeSeriesId(request.EntityGuid, request.AttributeGuid));
var dataRanges = await series.GetAggregatedData(request.TimeRange, request.AggregationSeconds).ConfigureAwait(false);
return(new FetchAggregatedAttributeDataResponse
{
ActionId = request.ActionId,
MessageClass = OutgoingMessageClass.Response,
ResponseType = ResponseType.FetchAggregatedAttributeData,
Ranges = dataRanges,
Succeeded = true
});
}
private async Task UnsubscribeFromAttribute(DataSubscription subscription)
{
var series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToCalculationSeriesId(subscription.Entity, subscription.Attribute));
var observerRef = await GrainClient.GrainFactory.CreateObjectReference <ISeriesObserver>(subscription.Observer);
await series.Unsubscribe(observerRef);
}
public async Task AddData(AggregatedDataRange aggregatedRange)
{
try
{
using (_tripCounterFactory.Create("SourceSeriesGrain.AddData"))
{
_logger.LogDebug($"Preparing to add data");
var seriesMapping = await _mapProvider.GetSeriesModelMapping(_dataSource, _sourceName);
IAttributeSeriesGrain series = GrainClient.GrainFactory.GetGrain <IAttributeSeriesGrain>(SeriesIdHelper.ToAttributeSeriesId(seriesMapping.Entity, seriesMapping.Attribute));
await series.ReceiveData(aggregatedRange);
}
}
catch (Exception exception)
{
_logger.LogError(new EventId(105), exception, "Error when adding aggregated data");
throw;
}
}