protected virtual IEnumerable <GraphNode> DoGetSubscribers(GDID gEmitterNode, long start, int count)
{
var qryVol = Queries.FindSubscriberVolumes <SubscriberVolumeRow>(gEmitterNode);
IEnumerable <SubscriberVolumeRow> volumes = ForNode(gEmitterNode).LoadEnumerable(qryVol);
var sum = 0;
SubscriberVolumeRow volume = null;
var i = 0;
foreach (var vol in volumes)
{
if (sum <= start && start <= sum + SocialConsts.GetVolumeMaxCountForPosition(i++))
{
volume = vol;
break;
}
sum += vol.Count;
}
if (volume == null)
{
yield break;
}
var _start = start - sum;
var qry = Queries.FindSubscribers <SubscriberRow>(volume.G_SubscriberVolume, _start, count);
var subscribers = ForNode(volume.G_SubscriberVolume).LoadEnumerable(qry);
foreach (var subscriber in subscribers)
{
yield return(DoGetNode(subscriber.G_Subscriber));
}
}
private SubscriberVolumeRow createVolume()
{
var gVol = NodeRow.GenerateNewNodeRowGDID(); // NOTICE: Volume uses Node Row GDID (Briefcase key)
var result = new SubscriberVolumeRow()
{
G_Owner = G_Owner,
G_SubscriberVolume = gVol,
Create_Date = App.TimeSource.UTCNow,
Count = 0
};
ForNode(G_Owner).Insert(result);
return(result);
}
protected virtual SubscriberRow FindSubscriber(out SubscriberVolumeRow minCntVol)
{
minCntVol = null;
IEnumerable <SubscriberVolumeRow> volumes = GetSubscriberVolumes();
SubscriberRow result = null;
var i = 0;
foreach (var volume in volumes)
{
var qry = Queries.FindSubscriber <SubscriberRow>(volume, G_Subscriber);
if (result == null)
{
result = ForNode(volume.G_SubscriberVolume).LoadRow(qry);
}
if ((volume.Count < SocialConsts.GetVolumeMaxCountForPosition(i++)) && (minCntVol == null || minCntVol.Count > volume.Count))
{
minCntVol = volume;
}
}
return(result);
}
