protected override void OnUninitialize(HandleInitializationContext context)
{
if (this.bookmarkScope != null)
{
int scopeRefCount = this.bookmarkScope.DecrementHandleReferenceCount();
DisassociateInstanceKeysExtension extension = context.GetExtension <DisassociateInstanceKeysExtension>();
// We only unregister the BookmarkScope if the extension exists and is enabled and if we had the last reference to it.
if ((extension != null) && extension.AutomaticDisassociationEnabled && (scopeRefCount == 0))
{
context.UnregisterBookmarkScope(this.bookmarkScope);
}
}
base.OnUninitialize(context);
}
void InitializeFromConstructor(WorkflowService serviceDefinition, params Uri[] baseAddresses)
{
// first initialize some values to their defaults
this.idleTimeToPersist = WorkflowIdleBehavior.defaultTimeToPersist;
this.idleTimeToUnload = WorkflowIdleBehavior.defaultTimeToUnload;
this.unhandledExceptionAction = WorkflowUnhandledExceptionBehavior.defaultAction;
this.workflowExtensions = new WorkflowServiceHostExtensions();
// If the AppSettings.DefaultAutomaticInstanceKeyDisassociation is specified and is true, create a DisassociateInstanceKeysExtension, set its
// AutomaticDisassociationEnabled property to true, and add it to the extensions collection so that System.Activities.BookmarkScopeHandle will
// unregister its BookmarkScope, which will cause key disassociation. KB2669774.
if (AppSettings.DefaultAutomaticInstanceKeyDisassociation)
{
DisassociateInstanceKeysExtension extension = new DisassociateInstanceKeysExtension();
extension.AutomaticDisassociationEnabled = true;
this.workflowExtensions.Add(extension);
}
if (TD.CreateWorkflowServiceHostStartIsEnabled())
{
TD.CreateWorkflowServiceHostStart();
}
if (serviceDefinition != null)
{
this.workflowDefinitionProvider = new WorkflowDefinitionProvider(serviceDefinition, this);
InitializeDescription(serviceDefinition, new UriSchemeKeyedCollection(baseAddresses));
}
this.durableInstanceManager = new DurableInstanceManager(this);
if (TD.CreateWorkflowServiceHostStopIsEnabled())
{
TD.CreateWorkflowServiceHostStop();
}
this.workflowServiceHostPerformanceCounters = new WorkflowServiceHostPerformanceCounters(this);
}
