// Used to recreate the root schedule executor from its persisted state
private void ReloadHelper(Activity rootActivity)
{
// assign activity state
this.rootActivity = rootActivity;
this.InstanceId = (Guid)rootActivity.GetValue(WorkflowInstanceIdProperty);
// set workflow executor
this.rootActivity.SetValue(WorkflowExecutor.WorkflowExecutorProperty, this);
this._schedulerLock = LockFactory.CreateWorkflowSchedulerLock(this.InstanceId);
this.schedulingContext = new Scheduler(this, false);
this.qService = new WorkflowQueuingService(this);
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Information, 0, "Workflow Runtime: WorkflowExecutor: Loading instance {0}", this.InstanceIdString);
DiagnosticStackTrace("load request");
using (new ServiceEnvironment(this.rootActivity))
{
// check if this instance can be loaded
switch (this.WorkflowStatus)
{
case WorkflowStatus.Completed:
case WorkflowStatus.Terminated:
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 0, "Workflow Runtime: WorkflowExecutor: attempt to load a completed/terminated instance: {0}", this.InstanceIdString);
throw new InvalidOperationException(
ExecutionStringManager.InvalidAttemptToLoad);
default:
break;
}
// new nonSerialized members
_resourceManager = new VolatileResourceManager();
_runtime = _workflowInstance.WorkflowRuntime;
// register all dynamic activities for loading
Queue<Activity> dynamicActivitiesQueue = new Queue<Activity>();
dynamicActivitiesQueue.Enqueue(this.rootActivity);
while (dynamicActivitiesQueue.Count > 0)
{
Activity dynamicActivity = dynamicActivitiesQueue.Dequeue();
((IDependencyObjectAccessor)dynamicActivity).InitializeInstanceForRuntime(this);
this.RegisterDynamicActivity(dynamicActivity, true);
IList<Activity> nestedDynamicActivities = (IList<Activity>)dynamicActivity.GetValue(Activity.ActiveExecutionContextsProperty);
if (nestedDynamicActivities != null)
{
foreach (Activity nestedDynamicActivity in nestedDynamicActivities)
dynamicActivitiesQueue.Enqueue(nestedDynamicActivity);
}
}
}
this.isInstanceIdle = (bool)this.rootActivity.GetValue(IsIdleProperty);
RefreshWorkflowDefinition();
}
public void AddResourceManager(VolatileResourceManager resourceManager)
{
this.Activity.AddResourceManager(this.nativeActivityContext, resourceManager);
}
private void ReloadHelper(Activity rootActivity)
{
this.rootActivity = rootActivity;
this.InstanceId = (Guid) rootActivity.GetValue(WorkflowInstanceIdProperty);
this.rootActivity.SetValue(WorkflowExecutorProperty, this);
this._schedulerLock = LockFactory.CreateWorkflowSchedulerLock(this.InstanceId);
this.schedulingContext = new System.Workflow.Runtime.Scheduler(this, false);
this.qService = new WorkflowQueuingService(this);
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Information, 0, "Workflow Runtime: WorkflowExecutor: Loading instance {0}", new object[] { this.InstanceIdString });
using (new ServiceEnvironment(this.rootActivity))
{
switch (this.WorkflowStatus)
{
case System.Workflow.Runtime.WorkflowStatus.Completed:
case System.Workflow.Runtime.WorkflowStatus.Terminated:
WorkflowTrace.Runtime.TraceEvent(TraceEventType.Error, 0, "Workflow Runtime: WorkflowExecutor: attempt to load a completed/terminated instance: {0}", new object[] { this.InstanceIdString });
throw new InvalidOperationException(ExecutionStringManager.InvalidAttemptToLoad);
}
this._resourceManager = new VolatileResourceManager();
this._runtime = this._workflowInstance.WorkflowRuntime;
Queue<Activity> queue = new Queue<Activity>();
queue.Enqueue(this.rootActivity);
while (queue.Count > 0)
{
Activity dynamicActivity = queue.Dequeue();
((IDependencyObjectAccessor) dynamicActivity).InitializeInstanceForRuntime(this);
this.RegisterDynamicActivity(dynamicActivity, true);
IList<Activity> list = (IList<Activity>) dynamicActivity.GetValue(Activity.ActiveExecutionContextsProperty);
if (list != null)
{
foreach (Activity activity2 in list)
{
queue.Enqueue(activity2);
}
}
}
}
this.isInstanceIdle = (bool) this.rootActivity.GetValue(IsIdleProperty);
this.RefreshWorkflowDefinition();
}
void PrivateInitialize(Activity rootActivity, Guid instanceId, IList<PropertyInfo> outputProperties, Activity workflowDefinition)
{
this.instanceId = instanceId;
this.rootActivity = rootActivity;
this.contextActivityMap = new Dictionary<int, Activity>();
this.scheduler = new Scheduler(this);
this.workflowQueuingService = new WorkflowQueuingService(this);
this.outputProperties = outputProperties;
this.resourceManager = new VolatileResourceManager();
this.rootActivity.SetValue(System.Workflow.ComponentModel.Activity.WorkflowDefinitionProperty, workflowDefinition);
this.rootActivity.SetValue(WorkflowExecutor.WorkflowExecutorProperty, this);
}
