// Initialize for the root schedule
internal void Initialize(Activity rootActivity, WorkflowExecutor invokerExec, string invokeActivityID, Guid instanceId, IDictionary<string, object> namedArguments, WorkflowInstance workflowInstance)
{
this.rootActivity = rootActivity;
this.InstanceId = instanceId;
// Set the persisted State properties
this.rootActivity.SetValue(WorkflowExecutor.ContextIdProperty, 0);
this.rootActivity.SetValue(WorkflowInstanceIdProperty, instanceId);
this.WorkflowStatus = WorkflowStatus.Created;
this.rootActivity.SetValue(Activity.ActivityExecutionContextInfoProperty, new ActivityExecutionContextInfo(this.rootActivity.QualifiedName, GetNewContextId(), instanceId, -1));
this.rootActivity.SetValue(Activity.ActivityContextGuidProperty, instanceId);
this.rootActivity.SetValue(WorkflowExecutor.IsIdleProperty, true);
this.isInstanceIdle = true;
// set workflow executor
this.rootActivity.SetValue(WorkflowExecutor.WorkflowExecutorProperty, this);
// initialize the root activity
RefreshWorkflowDefinition();
Activity workflowDefinition = this.WorkflowDefinition;
if (workflowDefinition == null)
throw new InvalidOperationException("workflowDefinition");
((IDependencyObjectAccessor)this.rootActivity).InitializeActivatingInstanceForRuntime(null, this);
this.rootActivity.FixUpMetaProperties(workflowDefinition);
_runtime = workflowInstance.WorkflowRuntime;
if (invokerExec != null)
{
List<string> calleeBase = new List<string>();
TrackingCallingState parentTCS = (TrackingCallingState)invokerExec.rootActivity.GetValue(WorkflowExecutor.TrackingCallingStateProperty);
if ((parentTCS != null) && (parentTCS.CallerActivityPathProxy != null))
{
foreach (string qualifiedID in parentTCS.CallerActivityPathProxy)
calleeBase.Add(qualifiedID);
}
calleeBase.Add(invokeActivityID);
//
// This has been exec'd by another instance
// Set up tracking info to allow linking instances
Debug.Assert(invokeActivityID != null && invokeActivityID.Length > 0);
TrackingCallingState trackingCallingState = new TrackingCallingState();
trackingCallingState.CallerActivityPathProxy = calleeBase;
trackingCallingState.CallerWorkflowInstanceId = invokerExec.InstanceId;
trackingCallingState.CallerContextGuid = ((ActivityExecutionContextInfo)ContextActivityUtils.ContextActivity(invokerExec.CurrentActivity).GetValue(Activity.ActivityExecutionContextInfoProperty)).ContextGuid;
if (null == invokerExec.CurrentActivity.Parent)
trackingCallingState.CallerParentContextGuid = trackingCallingState.CallerContextGuid;
else
trackingCallingState.CallerParentContextGuid = ((ActivityExecutionContextInfo)ContextActivityUtils.ContextActivity(invokerExec.CurrentActivity.Parent).GetValue(Activity.ActivityExecutionContextInfoProperty)).ContextGuid;
this.rootActivity.SetValue(WorkflowExecutor.TrackingCallingStateProperty, trackingCallingState);
}
_setInArgsOnCompanion(namedArguments);
this.schedulingContext = new Scheduler(this, true);
this._schedulerLock = LockFactory.CreateWorkflowSchedulerLock(this.InstanceId);
qService = new WorkflowQueuingService(this);
_workflowInstance = workflowInstance;
TimerQueue = new TimerEventSubscriptionCollection(this, this.InstanceId);
// register the dynamic activity
using (new ServiceEnvironment(this.rootActivity))
{
using (SetCurrentActivity(this.rootActivity))
{
this.RegisterDynamicActivity(this.rootActivity, false);
}
}
}
private void WorkflowExecutorInitializing(object sender, WorkflowRuntime.WorkflowExecutorInitializingEventArgs e)
{
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
if (!typeof(WorkflowExecutor).IsInstanceOfType(sender))
{
throw new ArgumentException("sender");
}
WorkflowExecutor skedExec = (WorkflowExecutor)sender;
skedExec.WorkflowExecutionEvent += new EventHandler <WorkflowExecutor.WorkflowExecutionEventArgs>(this.WorkflowExecutionEvent);
TrackingCallingState trackingCallingState = skedExec.TrackingCallingState;
TrackingListenerBroker broker = (TrackingListenerBroker)skedExec.RootActivity.GetValue(WorkflowExecutor.TrackingListenerBrokerProperty);
if (broker != null)
{
broker.ReplaceServices(skedExec.WorkflowRuntime.TrackingServiceReplacement);
}
TrackingListener target = null;
WeakReference reference = null;
if (e.Loading)
{
bool flag = false;
lock (this._listenerLock)
{
flag = this._listeners.TryGetValue(skedExec.InstanceId, out reference);
}
if (flag)
{
try
{
target = reference.Target as TrackingListener;
}
catch (InvalidOperationException)
{
}
}
if (target != null)
{
target.Broker = broker;
goto Label_01C8;
}
target = this.GetTrackingListener(skedExec.WorkflowDefinition, skedExec, broker);
if (target == null)
{
goto Label_01C8;
}
if (reference != null)
{
reference.Target = target;
goto Label_01C8;
}
lock (this._listenerLock)
{
this._listeners.Add(skedExec.ID, new WeakReference(target));
goto Label_01C8;
}
}
target = this.GetTrackingListener(skedExec.WorkflowDefinition, skedExec);
if (target != null)
{
skedExec.RootActivity.SetValue(WorkflowExecutor.TrackingListenerBrokerProperty, target.Broker);
lock (this._listenerLock)
{
this._listeners.Add(skedExec.ID, new WeakReference(target));
goto Label_01C8;
}
}
skedExec.RootActivity.SetValue(WorkflowExecutor.TrackingListenerBrokerProperty, new TrackingListenerBroker());
Label_01C8:
if (target != null)
{
skedExec.WorkflowExecutionEvent += new EventHandler <WorkflowExecutor.WorkflowExecutionEventArgs>(target.WorkflowExecutionEvent);
}
}
private List <TrackingChannelWrapper> GetChannels(Activity schedule, WorkflowExecutor exec, Guid instanceID, Type workflowType, ref TrackingListenerBroker broker)
{
if (this._services == null)
{
return(null);
}
bool flag = false;
if (broker == null)
{
broker = new TrackingListenerBroker();
flag = true;
}
List <TrackingChannelWrapper> list = new List <TrackingChannelWrapper>();
List <string> callPath = null;
Guid empty = Guid.Empty;
Guid context = this.GetContext(exec.RootActivity);
Guid callerContextGuid = Guid.Empty;
Guid callerParentContextGuid = Guid.Empty;
TrackingCallingState trackingCallingState = exec.TrackingCallingState;
TrackingListenerBroker broker1 = (TrackingListenerBroker)exec.RootActivity.GetValue(WorkflowExecutor.TrackingListenerBrokerProperty);
IList <string> collection = (trackingCallingState != null) ? trackingCallingState.CallerActivityPathProxy : null;
if ((collection != null) && (collection.Count > 0))
{
callPath = new List <string>(collection);
empty = trackingCallingState.CallerWorkflowInstanceId;
callerContextGuid = trackingCallingState.CallerContextGuid;
callerParentContextGuid = trackingCallingState.CallerParentContextGuid;
}
TrackingParameters parameters = new TrackingParameters(instanceID, workflowType, exec.WorkflowDefinition, callPath, empty, context, callerContextGuid, callerParentContextGuid);
for (int i = 0; i < this._services.Count; i++)
{
TrackingChannel trackingChannel = null;
Type trackingServiceType = this._services[i].GetType();
RTTrackingProfile profile = null;
if (flag)
{
profile = this._profileManager.GetProfile(this._services[i], schedule);
if (profile == null)
{
continue;
}
broker.AddService(trackingServiceType, profile.Version);
}
else
{
if (!broker.ContainsService(trackingServiceType))
{
continue;
}
if (broker.IsProfileInstance(trackingServiceType))
{
profile = this._profileManager.GetProfile(this._services[i], schedule, instanceID);
if (profile == null)
{
throw new InvalidOperationException(ExecutionStringManager.MissingProfileForService + trackingServiceType.ToString());
}
profile.IsPrivate = true;
}
else
{
Version version;
if (!broker.TryGetProfileVersionId(trackingServiceType, out version))
{
continue;
}
profile = this._profileManager.GetProfile(this._services[i], schedule, version);
if (profile == null)
{
throw new InvalidOperationException(ExecutionStringManager.MissingProfileForService + trackingServiceType.ToString() + ExecutionStringManager.MissingProfileForVersion + version.ToString());
}
if (broker.IsProfilePrivate(trackingServiceType))
{
profile = profile.Clone();
profile.IsPrivate = true;
}
}
}
trackingChannel = this._services[i].GetTrackingChannel(parameters);
if (trackingChannel == null)
{
throw new InvalidOperationException(ExecutionStringManager.NullChannel);
}
list.Add(new TrackingChannelWrapper(trackingChannel, this._services[i].GetType(), workflowType, profile));
}
return(list);
}
internal void ReloadProfiles(WorkflowExecutor exec, Guid instanceId, ref TrackingListenerBroker broker, ref List <TrackingChannelWrapper> channels)
{
Type workflowType = exec.WorkflowDefinition.GetType();
foreach (TrackingService service in this._services)
{
TrackingProfile profile = null;
TrackingChannelWrapper wrapper = null;
if (service.TryReloadProfile(workflowType, instanceId, out profile))
{
bool flag = false;
int index = 0;
while (index < channels.Count)
{
if (service.GetType() == channels[index].TrackingServiceType)
{
wrapper = channels[index];
flag = true;
break;
}
index++;
}
if (profile == null)
{
if (flag)
{
broker.RemoveService(wrapper.TrackingServiceType);
channels.RemoveAt(index);
}
}
else
{
RTTrackingProfile profile2 = new RTTrackingProfile(profile, exec.WorkflowDefinition, workflowType)
{
IsPrivate = true
};
if (!flag)
{
List <string> callPath = null;
Guid empty = Guid.Empty;
TrackingCallingState trackingCallingState = exec.TrackingCallingState;
IList <string> collection = null;
Guid context = this.GetContext(exec.RootActivity);
Guid callerContextGuid = Guid.Empty;
Guid callerParentContextGuid = Guid.Empty;
if (trackingCallingState != null)
{
collection = trackingCallingState.CallerActivityPathProxy;
if ((collection != null) && (collection.Count > 0))
{
callPath = new List <string>(collection);
empty = trackingCallingState.CallerWorkflowInstanceId;
callerContextGuid = trackingCallingState.CallerContextGuid;
callerParentContextGuid = trackingCallingState.CallerParentContextGuid;
}
}
TrackingParameters parameters = new TrackingParameters(instanceId, workflowType, exec.WorkflowDefinition, callPath, empty, context, callerContextGuid, callerParentContextGuid);
TrackingChannelWrapper item = new TrackingChannelWrapper(service.GetTrackingChannel(parameters), service.GetType(), workflowType, profile2);
channels.Add(item);
Type type = service.GetType();
broker.AddService(type, profile2.Version);
broker.MakeProfileInstance(type);
}
else
{
wrapper.SetTrackingProfile(profile2);
broker.MakeProfileInstance(wrapper.TrackingServiceType);
}
}
}
}
}