public void FlushPendingRecords(TimeSpan timeout)
{
try
{
if (this.HasPendingRecords)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
for (int i = 0; i < _trackingParticipants.Count; i++)
{
TrackingParticipant participant = _trackingParticipants[i];
RuntimeTrackingProfile runtimeProfile = GetRuntimeTrackingProfile(participant);
// HasPendingRecords can be true for the sole purpose of populating our initial profiles, so check again here
if (_pendingTrackingRecords != null)
{
for (int j = 0; j < _pendingTrackingRecords.Count; j++)
{
TrackingRecord currentRecord = _pendingTrackingRecords[j];
Fx.Assert(currentRecord != null, "We should never come across a null context.");
TrackingRecord preparedRecord = null;
bool shouldClone = _trackingParticipants.Count > 1;
if (runtimeProfile == null)
{
preparedRecord = shouldClone ? currentRecord.Clone() : currentRecord;
}
else
{
preparedRecord = runtimeProfile.Match(currentRecord, shouldClone);
}
if (preparedRecord != null)
{
participant.Track(preparedRecord, helper.RemainingTime());
if (TD.TrackingRecordRaisedIsEnabled())
{
TD.TrackingRecordRaised(preparedRecord.ToString(), participant.GetType().ToString());
}
}
}
}
}
}
}
finally
{
// Note that if we fail to track yet the workflow manages to recover
// we will attempt to track those records again.
ClearPendingRecords();
}
}
private bool PostTrackingRecord(TrackingParticipant participant, RuntimeTrackingProfile runtimeProfile)
{
TrackingRecord originalRecord = _provider._pendingTrackingRecords[_currentRecord];
_currentRecord++;
bool isSuccessful = false;
try
{
TrackingRecord preparedRecord = null;
bool shouldClone = _provider._trackingParticipants.Count > 1;
if (runtimeProfile == null)
{
preparedRecord = shouldClone ? originalRecord.Clone() : originalRecord;
}
else
{
preparedRecord = runtimeProfile.Match(originalRecord, shouldClone);
}
if (preparedRecord != null)
{
IAsyncResult result = participant.BeginTrack(preparedRecord, _timeoutHelper.RemainingTime(), PrepareAsyncCompletion(s_trackingCompleteCallback), this);
if (TD.TrackingRecordRaisedIsEnabled())
{
TD.TrackingRecordRaised(preparedRecord.ToString(), participant.GetType().ToString());
}
if (result.CompletedSynchronously)
{
participant.EndTrack(result);
}
else
{
isSuccessful = true;
return(false);
}
}
isSuccessful = true;
}
finally
{
if (!isSuccessful)
{
_provider.ClearPendingRecords();
}
}
return(true);
}
private static TrackingRecord PrepareRecord(TrackingRecord record, TrackingQuery query, bool shouldClone)
{
TrackingRecord preparedRecord = shouldClone ? record.Clone() : record;
if (query.HasAnnotations)
{
preparedRecord.Annotations = new ReadOnlyDictionary <string, string>(query.QueryAnnotations);
}
if (query is ActivityStateQuery)
{
ExtractArguments((ActivityStateRecord)preparedRecord, (ActivityStateQuery)query);
ExtractVariables((ActivityStateRecord)preparedRecord, (ActivityStateQuery)query);
}
return(preparedRecord);
}