public MongoDBVolume(TrendingSystemService director) : base(director)
{
foreach (var tEntity in TrendingHost.AllEntities)
{
m_DBUpdates.Register(new DBUpdate(tEntity, TrendingHost.GetDimensionNamesForEntity(tEntity)));
}
}
protected override void DoWriteGauge(SocialTrendingGauge gauge)
{
var date = RoundDatePerDetalization(App.TimeSource.UTCNow, DetalizationLevel);
var update = m_DBUpdates[gauge.Entity];
if (update == null)
{
throw new MongoSocialException(StringConsts.TRENDING_GAUSE_UNKNOWN_ENTITY_ERROR.Args(gauge.Entity, nameof(DoWriteGauge)));
}
update.G_Entity = gauge.G_Entity;
update.G_Shard = gauge.G_Shard;
update.DateTime = date;
update.Value = gauge.Value;
update.Count = gauge.Count;
update.Dimensions = TrendingHost.MapGaugeDimensions(gauge.Entity, gauge.Dimensions);
var collection = m_Database[gauge.Entity];
var r = collection.Update(update.MongoUpdateEntry);
//Log(NFX.Log.MessageType.Debug , "MongoDBVolume.DoWriteGauge", gauge.Entity+ " : " + r.ToJSON(JSONWritingOptions.PrettyPrint));
}
protected override List <TrendingEntity> DoGetTreding(TrendingQuery query)
{
var result = new List <TrendingEntity>();
IEnumerable <string> collections;
if (query.EntityType.IsNotNullOrWhiteSpace())
{
if (!TrendingHost.HasEntity(query.EntityType))
{
return(result);
}
collections = new[] { query.EntityType };
}
else
{
collections = TrendingHost.AllEntities;
}
foreach (var collection in collections)
{
var sort = new BSONDocument().Set(new BSONInt32Element(DBConsts.FIELD_VALUE, -1));
var qry = new Query();
var betweenDate = new BSONDocument();
betweenDate.Set(new BSONDateTimeElement("$gte", query.StartDate));
betweenDate.Set(new BSONDateTimeElement("$lte", query.EndDate));
qry.Set(new BSONDocumentElement("dt", betweenDate));
if (query.DimensionFilter.IsNotNullOrEmpty())
{
TrendingHost.MapGaugeDimensions(collection, query.DimensionFilter)
.ForEach(pair => qry.Set(new BSONStringElement(pair.Key, pair.Value)));
}
var find = new Query();
find.Set(new BSONDocumentElement("$query", qry));
find.Set(new BSONDocumentElement("$orderby", sort));
var fetchBy = 1000;
if (query.FetchCount < fetchBy)
{
fetchBy = query.FetchCount;
}
using (var cursor = m_Database[collection].Find(find, query.FetchStart, fetchBy))
{
foreach (var doc in cursor)
{
if (result.Count >= query.FetchCount)
{
break;
}
var doc_dt = doc[DBConsts.FIELD_DATETIME].ObjectValue;
var dt = doc[DBConsts.FIELD_DATETIME].ObjectValue.AsDateTime();
var dl = MapDetalizationToMinutes(DetalizationLevel);
var gshr = RowConverter.GDID_BSONtoCLR((BSONBinaryElement)doc[DBConsts.FIELD_G_SHARD]);
var gent = RowConverter.GDID_BSONtoCLR((BSONBinaryElement)doc[DBConsts.FIELD_G_ENTITY]);
var val = doc[DBConsts.FIELD_VALUE].ObjectValue.AsULong();
result.Add(new TrendingEntity(dt,
dl,
query.EntityType,
gshr,
gent,
val
)
);
}
}
}
return(result);
}
