public static WorkflowApplication createInstance(string xamlString, Dictionary<string, object> dictionary, TrackingParticipant tracking)
{
WorkflowApplication instance = null;
DynamicActivity dynamicActivity = tool.activityByXaml(xamlString) as DynamicActivity;
if (dictionary != null)
{
instance = new WorkflowApplication(dynamicActivity, dictionary);
}
else
{
instance = new WorkflowApplication(dynamicActivity);
}
instance.Aborted = aborted;
instance.Completed = completed;
instance.OnUnhandledException = onUnhandledException;
instance.PersistableIdle = persistableIdle;
instance.Unloaded = unloaded;
if (tracking != null)
{
instance.Extensions.Add(tracking);
}
return instance;
}
public TrackAsyncResult(TrackingParticipant participant, TrackingRecord record, TimeSpan timeout, AsyncCallback callback, object state) : base(callback, state)
{
this.participant = participant;
this.record = record;
this.timeout = timeout;
ActionItem.Schedule(asyncExecuteTrack, this);
}
bool RunLoop()
{
if (this.provider.HasPendingRecords)
{
while (this.currentParticipant < this.provider.trackingParticipants.Count)
{
TrackingParticipant participant = this.provider.trackingParticipants[this.currentParticipant];
RuntimeTrackingProfile runtimeProfile = this.provider.GetRuntimeTrackingProfile(participant);
if (this.provider.pendingTrackingRecords != null)
{
while (this.currentRecord < this.provider.pendingTrackingRecords.Count)
{
bool completedSynchronously = PostTrackingRecord(participant, runtimeProfile);
if (!completedSynchronously)
{
return(false);
}
}
}
this.currentRecord = 0;
this.currentParticipant++;
}
}
// We've now tracked all of the records.
this.provider.ClearPendingRecords();
return(true);
}
private RuntimeTrackingProfile GetRuntimeTrackingProfile(TrackingParticipant participant)
{
RuntimeTrackingProfile runtimeTrackingProfile;
if (!this.profileSubscriptions.TryGetValue(participant, out runtimeTrackingProfile))
{
TrackingProfile trackingProfile = participant.TrackingProfile;
if (trackingProfile != null)
{
runtimeTrackingProfile = RuntimeTrackingProfile.GetRuntimeTrackingProfile(trackingProfile, this.definition);
this.Merge(runtimeTrackingProfile.Filter);
IEnumerable <string> subscribedActivityNames = runtimeTrackingProfile.GetSubscribedActivityNames();
if (subscribedActivityNames != null)
{
if (this.activitySubscriptions == null)
{
this.activitySubscriptions = new Hashtable();
}
foreach (string str in subscribedActivityNames)
{
if (this.activitySubscriptions[str] == null)
{
this.activitySubscriptions[str] = str;
}
}
}
}
else
{
this.Merge(new TrackingRecordPreFilter(true));
}
this.profileSubscriptions.Add(participant, runtimeTrackingProfile);
}
return(runtimeTrackingProfile);
}
public TrackAsyncResult(TrackingParticipant participant, TrackingRecord record, TimeSpan timeout, AsyncCallback callback, object state) : base(callback, state)
{
this.participant = participant;
this.record = record;
this.timeout = timeout;
ActionItem.Schedule(asyncExecuteTrack, this);
}
private bool RunLoop()
{
if (this.provider.HasPendingRecords)
{
while (this.currentParticipant < this.provider.trackingParticipants.Count)
{
TrackingParticipant participant = this.provider.trackingParticipants[this.currentParticipant];
RuntimeTrackingProfile runtimeTrackingProfile = this.provider.GetRuntimeTrackingProfile(participant);
if (this.provider.pendingTrackingRecords != null)
{
while (this.currentRecord < this.provider.pendingTrackingRecords.Count)
{
if (!this.PostTrackingRecord(participant, runtimeTrackingProfile))
{
return(false);
}
}
}
this.currentRecord = 0;
this.currentParticipant++;
}
}
this.provider.ClearPendingRecords();
return(true);
}
public void AddParticipant(TrackingParticipant participant)
{
if (this.trackingParticipants == null)
{
this.trackingParticipants = new List <TrackingParticipant>();
this.profileSubscriptions = new Dictionary <TrackingParticipant, RuntimeTrackingProfile>();
}
this.trackingParticipants.Add(participant);
}
public void AddParticipant(TrackingParticipant participant)
{
if (this.trackingParticipants == null)
{
this.trackingParticipants = new List<TrackingParticipant>();
this.profileSubscriptions = new Dictionary<TrackingParticipant, RuntimeTrackingProfile>();
}
this.trackingParticipants.Add(participant);
}
public void FlushPendingRecords(TimeSpan timeout)
{
try
{
if (this.HasPendingRecords)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
for (int i = 0; i < this.trackingParticipants.Count; i++)
{
TrackingParticipant participant = this.trackingParticipants[i];
RuntimeTrackingProfile runtimeProfile = GetRuntimeTrackingProfile(participant);
// HasPendingRecords can be true for the sole purpose of populating our initial profiles, so check again here
if (this.pendingTrackingRecords != null)
{
for (int j = 0; j < this.pendingTrackingRecords.Count; j++)
{
TrackingRecord currentRecord = this.pendingTrackingRecords[j];
Fx.Assert(currentRecord != null, "We should never come across a null context.");
TrackingRecord preparedRecord = null;
bool shouldClone = this.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();
}
}
bool PostTrackingRecord(TrackingParticipant participant, RuntimeTrackingProfile runtimeProfile)
{
TrackingRecord originalRecord = this.provider.pendingTrackingRecords[this.currentRecord];
this.currentRecord++;
bool isSuccessful = false;
try
{
TrackingRecord preparedRecord = null;
bool shouldClone = this.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, this.timeoutHelper.RemainingTime(), PrepareAsyncCompletion(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)
{
this.provider.ClearPendingRecords();
}
}
return(true);
}
public void FlushPendingRecords(TimeSpan timeout)
{
try
{
if (this.HasPendingRecords)
{
TimeoutHelper helper = new TimeoutHelper(timeout);
for (int i = 0; i < this.trackingParticipants.Count; i++)
{
TrackingParticipant participant = this.trackingParticipants[i];
RuntimeTrackingProfile runtimeTrackingProfile = this.GetRuntimeTrackingProfile(participant);
if (this.pendingTrackingRecords != null)
{
for (int j = 0; j < this.pendingTrackingRecords.Count; j++)
{
TrackingRecord record = this.pendingTrackingRecords[j];
TrackingRecord record2 = null;
bool shouldClone = this.trackingParticipants.Count > 1;
if (runtimeTrackingProfile == null)
{
record2 = shouldClone ? record.Clone() : record;
}
else
{
record2 = runtimeTrackingProfile.Match(record, shouldClone);
}
if (record2 != null)
{
participant.Track(record2, helper.RemainingTime());
if (TD.TrackingRecordRaisedIsEnabled())
{
TD.TrackingRecordRaised(record2.ToString(), participant.GetType().ToString());
}
}
}
}
}
}
}
finally
{
this.ClearPendingRecords();
}
}
private bool PostTrackingRecord(TrackingParticipant participant, RuntimeTrackingProfile runtimeProfile)
{
TrackingRecord record = this.provider.pendingTrackingRecords[this.currentRecord];
this.currentRecord++;
bool flag = false;
try
{
TrackingRecord record2 = null;
bool shouldClone = this.provider.trackingParticipants.Count > 1;
if (runtimeProfile == null)
{
record2 = shouldClone ? record.Clone() : record;
}
else
{
record2 = runtimeProfile.Match(record, shouldClone);
}
if (record2 != null)
{
IAsyncResult result = participant.BeginTrack(record2, this.timeoutHelper.RemainingTime(), base.PrepareAsyncCompletion(trackingCompleteCallback), this);
if (TD.TrackingRecordRaisedIsEnabled())
{
TD.TrackingRecordRaised(record2.ToString(), participant.GetType().ToString());
}
if (!result.CompletedSynchronously)
{
flag = true;
return(false);
}
participant.EndTrack(result);
}
flag = true;
}
finally
{
if (!flag)
{
this.provider.ClearPendingRecords();
}
}
return(true);
}
RuntimeTrackingProfile GetRuntimeTrackingProfile(TrackingParticipant participant)
{
TrackingProfile profile;
RuntimeTrackingProfile runtimeProfile;
if (!this.profileSubscriptions.TryGetValue(participant, out runtimeProfile))
{
profile = participant.TrackingProfile;
if (profile != null)
{
runtimeProfile = RuntimeTrackingProfile.GetRuntimeTrackingProfile(profile, this.definition);
Merge(runtimeProfile.Filter);
//Add the names to the list of activities that have subscriptions. This provides a quick lookup
//for the runtime to check if a TrackingRecord has to be created.
IEnumerable <string> activityNames = runtimeProfile.GetSubscribedActivityNames();
if (activityNames != null)
{
if (this.activitySubscriptions == null)
{
this.activitySubscriptions = new Hashtable();
}
foreach (string name in activityNames)
{
if (this.activitySubscriptions[name] == null)
{
this.activitySubscriptions[name] = name;
}
}
}
}
else
{
//for null profiles, set all the filter flags.
Merge(new TrackingRecordPreFilter(true));
}
this.profileSubscriptions.Add(participant, runtimeProfile);
}
return(runtimeProfile);
}
private static bool OnTrackingComplete(IAsyncResult result)
{
TrackingProvider.FlushPendingRecordsAsyncResult asyncState = (TrackingProvider.FlushPendingRecordsAsyncResult)result.AsyncState;
TrackingParticipant participant = asyncState.provider.trackingParticipants[asyncState.currentParticipant];
bool flag = false;
try
{
participant.EndTrack(result);
flag = true;
}
finally
{
if (!flag)
{
asyncState.provider.ClearPendingRecords();
}
}
return(asyncState.RunLoop());
}
static bool OnTrackingComplete(IAsyncResult result)
{
Fx.Assert(!result.CompletedSynchronously, "TrackingAsyncResult.OnTrackingComplete should not get called with a result that is CompletedSynchronously");
FlushPendingRecordsAsyncResult thisPtr = (FlushPendingRecordsAsyncResult)result.AsyncState;
TrackingParticipant participant = thisPtr.provider.trackingParticipants[thisPtr.currentParticipant];
bool isSuccessful = false;
try
{
participant.EndTrack(result);
isSuccessful = true;
}
finally
{
if (!isSuccessful)
{
thisPtr.provider.ClearPendingRecords();
}
}
return(thisPtr.RunLoop());
}
bool PostTrackingRecord(TrackingParticipant participant, RuntimeTrackingProfile runtimeProfile)
{
TrackingRecord originalRecord = this.provider.pendingTrackingRecords[this.currentRecord];
this.currentRecord++;
bool isSuccessful = false;
try
{
TrackingRecord preparedRecord = null;
bool shouldClone = this.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, this.timeoutHelper.RemainingTime(), PrepareAsyncCompletion(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)
{
this.provider.ClearPendingRecords();
}
}
return true;
}
RuntimeTrackingProfile GetRuntimeTrackingProfile(TrackingParticipant participant)
{
TrackingProfile profile;
RuntimeTrackingProfile runtimeProfile;
if (!this.profileSubscriptions.TryGetValue(participant, out runtimeProfile))
{
profile = participant.TrackingProfile;
if (profile != null)
{
runtimeProfile = RuntimeTrackingProfile.GetRuntimeTrackingProfile(profile, this.definition);
Merge(runtimeProfile.Filter);
//Add the names to the list of activities that have subscriptions. This provides a quick lookup
//for the runtime to check if a TrackingRecord has to be created.
IEnumerable<string> activityNames = runtimeProfile.GetSubscribedActivityNames();
if (activityNames != null)
{
if (this.activitySubscriptions == null)
{
this.activitySubscriptions = new Hashtable();
}
foreach (string name in activityNames)
{
if (this.activitySubscriptions[name] == null)
{
this.activitySubscriptions[name] = name;
}
}
}
}
else
{
//for null profiles, set all the filter flags.
Merge(new TrackingRecordPreFilter(true));
}
this.profileSubscriptions.Add(participant, runtimeProfile);
}
return runtimeProfile;
}
private bool PostTrackingRecord(TrackingParticipant participant, RuntimeTrackingProfile runtimeProfile)
{
TrackingRecord record = this.provider.pendingTrackingRecords[this.currentRecord];
this.currentRecord++;
bool flag = false;
try
{
TrackingRecord record2 = null;
bool shouldClone = this.provider.trackingParticipants.Count > 1;
if (runtimeProfile == null)
{
record2 = shouldClone ? record.Clone() : record;
}
else
{
record2 = runtimeProfile.Match(record, shouldClone);
}
if (record2 != null)
{
IAsyncResult result = participant.BeginTrack(record2, this.timeoutHelper.RemainingTime(), base.PrepareAsyncCompletion(trackingCompleteCallback), this);
if (TD.TrackingRecordRaisedIsEnabled())
{
TD.TrackingRecordRaised(record2.ToString(), participant.GetType().ToString());
}
if (!result.CompletedSynchronously)
{
flag = true;
return false;
}
participant.EndTrack(result);
}
flag = true;
}
finally
{
if (!flag)
{
this.provider.ClearPendingRecords();
}
}
return true;
}
private RuntimeTrackingProfile GetRuntimeTrackingProfile(TrackingParticipant participant)
{
RuntimeTrackingProfile runtimeTrackingProfile;
if (!this.profileSubscriptions.TryGetValue(participant, out runtimeTrackingProfile))
{
TrackingProfile trackingProfile = participant.TrackingProfile;
if (trackingProfile != null)
{
runtimeTrackingProfile = RuntimeTrackingProfile.GetRuntimeTrackingProfile(trackingProfile, this.definition);
this.Merge(runtimeTrackingProfile.Filter);
IEnumerable<string> subscribedActivityNames = runtimeTrackingProfile.GetSubscribedActivityNames();
if (subscribedActivityNames != null)
{
if (this.activitySubscriptions == null)
{
this.activitySubscriptions = new Hashtable();
}
foreach (string str in subscribedActivityNames)
{
if (this.activitySubscriptions[str] == null)
{
this.activitySubscriptions[str] = str;
}
}
}
}
else
{
this.Merge(new TrackingRecordPreFilter(true));
}
this.profileSubscriptions.Add(participant, runtimeTrackingProfile);
}
return runtimeTrackingProfile;
}
