private static TimelineEntity MaskFields(TimelineEntity entity, EnumSet <TimelineReader.Field
> fields)
{
// Conceal the fields that are not going to be exposed
TimelineEntity entityToReturn = new TimelineEntity();
entityToReturn.SetEntityId(entity.GetEntityId());
entityToReturn.SetEntityType(entity.GetEntityType());
entityToReturn.SetStartTime(entity.GetStartTime());
entityToReturn.SetDomainId(entity.GetDomainId());
// Deep copy
if (fields.Contains(TimelineReader.Field.Events))
{
entityToReturn.AddEvents(entity.GetEvents());
}
else
{
if (fields.Contains(TimelineReader.Field.LastEventOnly))
{
entityToReturn.AddEvent(entity.GetEvents()[0]);
}
else
{
entityToReturn.SetEvents(null);
}
}
if (fields.Contains(TimelineReader.Field.RelatedEntities))
{
entityToReturn.AddRelatedEntities(entity.GetRelatedEntities());
}
else
{
entityToReturn.SetRelatedEntities(null);
}
if (fields.Contains(TimelineReader.Field.PrimaryFilters))
{
entityToReturn.AddPrimaryFilters(entity.GetPrimaryFilters());
}
else
{
entityToReturn.SetPrimaryFilters(null);
}
if (fields.Contains(TimelineReader.Field.OtherInfo))
{
entityToReturn.AddOtherInfo(entity.GetOtherInfo());
}
else
{
entityToReturn.SetOtherInfo(null);
}
return(entityToReturn);
}
/// <exception cref="System.IO.IOException"/>
public virtual TimelineEntities GetEntities(string entityType, long limit, long windowStart
, long windowEnd, string fromId, long fromTs, NameValuePair primaryFilter, ICollection
<NameValuePair> secondaryFilters, EnumSet <TimelineReader.Field> fields, TimelineDataManager.CheckAcl
checkAcl)
{
lock (this)
{
if (limit == null)
{
limit = DefaultLimit;
}
if (windowStart == null)
{
windowStart = long.MinValue;
}
if (windowEnd == null)
{
windowEnd = long.MaxValue;
}
if (fields == null)
{
fields = EnumSet.AllOf <TimelineReader.Field>();
}
IEnumerator <TimelineEntity> entityIterator = null;
if (fromId != null)
{
TimelineEntity firstEntity = entities[new EntityIdentifier(fromId, entityType)];
if (firstEntity == null)
{
return(new TimelineEntities());
}
else
{
entityIterator = new TreeSet <TimelineEntity>(entities.Values).TailSet(firstEntity
, true).GetEnumerator();
}
}
if (entityIterator == null)
{
entityIterator = new PriorityQueue <TimelineEntity>(entities.Values).GetEnumerator
();
}
IList <TimelineEntity> entitiesSelected = new AList <TimelineEntity>();
while (entityIterator.HasNext())
{
TimelineEntity entity = entityIterator.Next();
if (entitiesSelected.Count >= limit)
{
break;
}
if (!entity.GetEntityType().Equals(entityType))
{
continue;
}
if (entity.GetStartTime() <= windowStart)
{
continue;
}
if (entity.GetStartTime() > windowEnd)
{
continue;
}
if (fromTs != null && entityInsertTimes[new EntityIdentifier(entity.GetEntityId()
, entity.GetEntityType())] > fromTs)
{
continue;
}
if (primaryFilter != null && !MatchPrimaryFilter(entity.GetPrimaryFilters(), primaryFilter
))
{
continue;
}
if (secondaryFilters != null)
{
// AND logic
bool flag = true;
foreach (NameValuePair secondaryFilter in secondaryFilters)
{
if (secondaryFilter != null && !MatchPrimaryFilter(entity.GetPrimaryFilters(), secondaryFilter
) && !MatchFilter(entity.GetOtherInfo(), secondaryFilter))
{
flag = false;
break;
}
}
if (!flag)
{
continue;
}
}
if (entity.GetDomainId() == null)
{
entity.SetDomainId(TimelineDataManager.DefaultDomainId);
}
if (checkAcl == null || checkAcl.Check(entity))
{
entitiesSelected.AddItem(entity);
}
}
IList <TimelineEntity> entitiesToReturn = new AList <TimelineEntity>();
foreach (TimelineEntity entitySelected in entitiesSelected)
{
entitiesToReturn.AddItem(MaskFields(entitySelected, fields));
}
entitiesToReturn.Sort();
TimelineEntities entitiesWrapper = new TimelineEntities();
entitiesWrapper.SetEntities(entitiesToReturn);
return(entitiesWrapper);
}
}