internal WorkflowInstance (Guid guid, WorkflowRuntime runtime, Activity root_activity)
{
this.guid = guid;
this.runtime = runtime;
this.root_activity = root_activity;
subscription_collection = new TimerEventSubscriptionCollection ();
queuing_service = new WorkflowQueuingService ();
}
internal WorkflowInstance(Guid guid, WorkflowRuntime runtime, Activity root_activity)
{
this.guid = guid;
this.runtime = runtime;
this.root_activity = root_activity;
subscription_collection = new TimerEventSubscriptionCollection();
queuing_service = new WorkflowQueuingService();
}
// 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);
}
}
}
public void Initialize(Activity definition, IDictionary<string, object> inputs, bool hasNameCollision)
{
this.rootActivity.SetValue(Activity.ActivityExecutionContextInfoProperty,
new ActivityExecutionContextInfo(this.rootActivity.QualifiedName, this.GetNewContextActivityId(), instanceId, -1));
this.rootActivity.SetValue(Activity.ActivityContextGuidProperty, instanceId);
SetInputParameters(definition, this.rootActivity, inputs, hasNameCollision);
((IDependencyObjectAccessor)this.rootActivity).InitializeActivatingInstanceForRuntime(
null,
this);
this.rootActivity.FixUpMetaProperties(definition);
TimerQueue = new TimerEventSubscriptionCollection(this, this.instanceId);
using (new ServiceEnvironment(this.rootActivity))
{
using (SetCurrentActivity(this.rootActivity))
{
RegisterContextActivity(this.rootActivity);
using (ActivityExecutionContext executionContext = new ActivityExecutionContext(this.rootActivity, true))
{
executionContext.InitializeActivity(this.rootActivity);
}
}
}
}
