private IEnumerable <Message> get(LogChronicleFilter filter)
{
filter.NonNull(nameof(filter));
if (!Running)
{
yield break;
}
var cLog = m_LogDb[COLLECTION_LOG];
var query = LogFilterQueryBuilder.BuildLogFilterQuery(filter);
var totalCount = Math.Min(filter.PagingCount <= 0 ? FETCH_BY_LOG : filter.PagingCount, MAX_FETCH_DOC_COUNT);
using (var cursor = cLog.Find(query, filter.PagingStartIndex, FETCH_BY_LOG))
{
int i = 0;
foreach (var bdoc in cursor)
{
var msg = BsonConvert.FromBson(bdoc);
yield return(msg);
if (++i > totalCount || !Running)
{
break;
}
}
}
}
public async Task <object> Filter(LogChronicleFilter filter) => await ApplyFilterAsync(filter).ConfigureAwait(false);
public async Task <IEnumerable <Message> > GetAsync(LogChronicleFilter filter) => await m_Log.NonNull().GetAsync(filter.NonNull(nameof(filter)));
public async Task <object> Filter(LogChronicleFilter filter) => await ApplyFilterAsync(filter);
public Task <IEnumerable <Message> > GetAsync(LogChronicleFilter filter) => Task.FromResult(get(filter));
public static Query BuildLogFilterQuery(LogChronicleFilter filter)
{
var query = new Query();
var andNodes = new List <BSONDocumentElement>();
void add(BSONElement elm) => andNodes.Add(new BSONDocumentElement(new BSONDocument().Set(elm)));
if (!filter.Gdid.IsZero)
{
add(DataDocConverter.GDID_CLRtoBSON(BsonConvert.FLD_GDID, filter.Gdid));
}
if (filter.Id.HasValue)
{
add(DataDocConverter.GUID_CLRtoBSON(BsonConvert.FLD_GUID, filter.Id.Value));
}
if (filter.RelId.HasValue)
{
add(DataDocConverter.GUID_CLRtoBSON(BsonConvert.FLD_RELATED_TO, filter.RelId.Value));
}
if (filter.Channel.HasValue && !filter.Channel.Value.IsZero)
{
add(new BSONInt64Element(BsonConvert.FLD_CHANNEL, (long)filter.Channel.Value.ID));
}
if (filter.Application.HasValue && !filter.Application.Value.IsZero)
{
add(new BSONInt64Element(BsonConvert.FLD_APP, (long)filter.Application.Value.ID));
}
if (filter.TimeRange.HasValue && filter.TimeRange.Value.Start.HasValue)
{
add(new BSONDocumentElement(BsonConvert.FLD_TIMESTAMP, new BSONDocument().Set(new BSONDateTimeElement("$gte", filter.TimeRange.Value.Start.Value))));
}
if (filter.TimeRange.HasValue && filter.TimeRange.Value.End.HasValue)
{
add(new BSONDocumentElement(BsonConvert.FLD_TIMESTAMP, new BSONDocument().Set(new BSONDateTimeElement("$lte", filter.TimeRange.Value.End.Value))));
}
if (filter.MinType.HasValue)
{
add(new BSONDocumentElement(BsonConvert.FLD_TYPE, new BSONDocument().Set(new BSONInt32Element("$gte", (int)filter.MinType.Value))));
}
if (filter.MaxType.HasValue)
{
add(new BSONDocumentElement(BsonConvert.FLD_TYPE, new BSONDocument().Set(new BSONInt32Element("$lte", (int)filter.MaxType.Value))));
}
if (andNodes.Count > 0)
{
query.Set(new BSONArrayElement("$and", andNodes.ToArray()));
}
//todo: Finish the Advanced filter
//var ctx = m_LogXlat.TranslateInContext(filter.AdvancedFilter);
// var query = query;// ctx.Query;
return(query);
}
