C# WorkflowServicesManager.GetWorkflowSubscriptionService方法代码示例

 /// <summary>
 /// Returns a workflow subscription (associations) for a list
 /// </summary>
 /// <param name="list"></param>
 /// <param name="name"></param>
 /// <returns></returns>
 public static WorkflowSubscription GetWorkflowSubscription(this List list, string name)
 {
     var servicesManager = new WorkflowServicesManager(list.Context, list.ParentWeb);
     var subscriptionService = servicesManager.GetWorkflowSubscriptionService();
     var subscriptions = subscriptionService.EnumerateSubscriptionsByList(list.Id);
     var subscriptionQuery = from sub in subscriptions where sub.Name == name select sub;
     var subscriptionResults = list.Context.LoadQuery(subscriptionQuery);
     list.Context.ExecuteQueryRetry();
     var subscription = subscriptionResults.FirstOrDefault();
     return subscription;
 }

        protected WorkflowSubscription GetCurrentWebWorkflowSubscriptioBySourceId(
             object host,
             ClientContext hostclientContext,
            Web web,
            Guid eventSourceId,
             SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            var context = web.Context;

            var workflowServiceManager = new WorkflowServicesManager(hostclientContext, web);

            context.Load(web);
            context.Load(web);

            context.ExecuteQueryWithTrace();

            hostclientContext.Load(workflowServiceManager);
            hostclientContext.ExecuteQueryWithTrace();

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();

            var subscriptions = workflowSubscriptionService.EnumerateSubscriptionsByEventSource(eventSourceId);

            hostclientContext.Load(subscriptions);
            hostclientContext.ExecuteQueryWithTrace();

            return subscriptions.FirstOrDefault(s => s.Name == workflowSubscriptionModel.Name);
        }

        /// <summary>
        /// Returns all the workflow subscriptions (associations) for the web and the lists of that web
        /// </summary>
        /// <param name="web">The target Web</param>
        /// <returns></returns>
        public static WorkflowSubscription[] GetWorkflowSubscriptions(this Web web)
        {
            // Get a reference to infrastructural services
            var servicesManager = new WorkflowServicesManager(web.Context, web);
            var subscriptionService = servicesManager.GetWorkflowSubscriptionService();

            // Retrieve all the subscriptions (site and lists)
            var subscriptions = subscriptionService.EnumerateSubscriptions();
            web.Context.Load(subscriptions);
            web.Context.ExecuteQueryRetry();
            return subscriptions.ToArray();
        }

        protected WorkflowSubscription GetCurrentWebWorkflowSubscriptioBySourceId(
             object host,
             SPWeb web,
             Guid eventSourceId,
             SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            var workflowServiceManager = new WorkflowServicesManager(web);
            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var subscriptions = workflowSubscriptionService.EnumerateSubscriptionsByEventSource(eventSourceId);

            return subscriptions.FirstOrDefault(s => s.Name == workflowSubscriptionModel.Name);
        }

        protected override void ExecuteCmdlet()
        {
            if (List != null)
            {
                var list = SelectedWeb.GetList(List);

                if (string.IsNullOrEmpty(Name))
                {
                    var servicesManager = new WorkflowServicesManager(ClientContext, SelectedWeb);
                    var subscriptionService = servicesManager.GetWorkflowSubscriptionService();
                    var subscriptions = subscriptionService.EnumerateSubscriptionsByList(list.Id);

                    ClientContext.Load(subscriptions);

                    ClientContext.ExecuteQueryRetry();
                    WriteObject(subscriptions, true);
                }
                else
                {
                    WriteObject(list.GetWorkflowSubscription(Name));
                }
            }
            else
            {
                if (string.IsNullOrEmpty(Name))
                {
                    var servicesManager = new WorkflowServicesManager(ClientContext, SelectedWeb);
                    var subscriptionService = servicesManager.GetWorkflowSubscriptionService();
                    var subscriptions = subscriptionService.EnumerateSubscriptions();

                    ClientContext.Load(subscriptions);

                    ClientContext.ExecuteQueryRetry();
                    WriteObject(subscriptions, true);
                }
                else
                {
                    WriteObject(SelectedWeb.GetWorkflowSubscription(Name));
                }
            }
        }

        public void ProcessOneWayEvent(SPRemoteEventProperties properties)
        {
            if (properties.EventType != SPRemoteEventType.ItemAdded)
            return;

              // build client context using S2S
              using (ClientContext context = TokenHelper.CreateRemoteEventReceiverClientContext(properties)) {
            Web web = context.Web;

            // create a collection of name/value pairs to pass to the workflow upon starting
            var args = new Dictionary<string, object>();
            args.Add("RemoteEventReceiverPassedValue", "Hello from the Remote Event Receiver! - " + DateTime.Now.ToString());

            // get reference to Workflow Service Manager (WSM) in SP...
            WorkflowServicesManager wsm = new WorkflowServicesManager(context, web);
            context.Load(wsm);
            context.ExecuteQuery();

            // get reference to subscription service
            WorkflowSubscriptionService subscriptionService = wsm.GetWorkflowSubscriptionService();
            context.Load(subscriptionService);
            context.ExecuteQuery();

            // get the only workflow association on item's list
            WorkflowSubscription association = subscriptionService.EnumerateSubscriptionsByList(properties.ItemEventProperties.ListId).FirstOrDefault();

            // get reference to instance service (to start a new workflow)
            WorkflowInstanceService instanceService = wsm.GetWorkflowInstanceService();
            context.Load(instanceService);
            context.ExecuteQuery();

            // start the workflow
            instanceService.StartWorkflowOnListItem(association, properties.ItemEventProperties.ListItemId, args);

            // execute the CSOM request
            context.ExecuteQuery();
              }
        }

        protected WorkflowDefinition GetWorkflowDefinition(object host,
            SPWeb web,
            SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            TraceService.VerboseFormat((int)LogEventId.ModelProvisionCoreCall, "Resolving workflow definition by DisplayName: [{0}]", workflowSubscriptionModel.WorkflowDisplayName);
            var workflowServiceManager = new WorkflowServicesManager(web);

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var workflowDeploymentService = workflowServiceManager.GetWorkflowDeploymentService();
            var tgtwis = workflowServiceManager.GetWorkflowInstanceService();

            var publishedWorkflows = workflowDeploymentService.EnumerateDefinitions(true);

            var result = publishedWorkflows.FirstOrDefault(w => w.DisplayName == workflowSubscriptionModel.WorkflowDisplayName);

            if (result == null)
            {
                TraceService.ErrorFormat((int)LogEventId.ModelProvisionCoreCall,
                    "Cannot find workflow definition with DisplayName: [{0}]. Provision might break.",
                    workflowSubscriptionModel.WorkflowDisplayName);
            }

            return result;
        }

        private void DeployWorkflowSubscriptionDefinition(
            object host,
            SPList list,
            SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            var web = list.ParentWeb;
            var workflowServiceManager = new WorkflowServicesManager(list.ParentWeb);

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var workflowDeploymentService = workflowServiceManager.GetWorkflowDeploymentService();
            var tgtwis = workflowServiceManager.GetWorkflowInstanceService();

            var publishedWorkflows = workflowDeploymentService.EnumerateDefinitions(true);

            var currentWorkflowDefinition = publishedWorkflows.FirstOrDefault(w => w.DisplayName == workflowSubscriptionModel.WorkflowDisplayName);

            if (currentWorkflowDefinition == null)
                throw new Exception(string.Format("Cannot lookup workflow definition with display name: [{0}] on web:[{1}]", workflowSubscriptionModel.WorkflowDisplayName, web.Url));

            var subscriptions = workflowSubscriptionService.EnumerateSubscriptionsByList(list.ID);

            InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(null, ModelEventType.OnUpdating);

            var currentSubscription = subscriptions.FirstOrDefault(s => s.Name == workflowSubscriptionModel.Name);

            InvokeOnModelEvent(this, new ModelEventArgs
            {
                CurrentModelNode = null,
                Model = null,
                EventType = ModelEventType.OnProvisioning,
                Object = currentSubscription,
                ObjectType = typeof(WorkflowSubscription),
                ObjectDefinition = workflowSubscriptionModel,
                ModelHost = host
            });

            if (currentSubscription == null)
            {
                var newSubscription = new WorkflowSubscription();

                newSubscription.Name = workflowSubscriptionModel.Name;
                newSubscription.DefinitionId = currentWorkflowDefinition.Id;

                newSubscription.EventTypes = workflowSubscriptionModel.EventTypes.ToList();
                newSubscription.EventSourceId = list.ID;

                // lookup task and history lists, probaly need to think ab otehr strategy
                var taskList = web.GetList(SPUrlUtility.CombineUrl(web.Url, workflowSubscriptionModel.TaskListUrl));
                var historyList = web.GetList(SPUrlUtility.CombineUrl(web.Url, workflowSubscriptionModel.HistoryListUrl));

                newSubscription.SetProperty("HistoryListId", historyList.ID.ToString());
                newSubscription.SetProperty("TaskListId", taskList.ID.ToString());

                newSubscription.SetProperty("ListId", list.ID.ToString());
                newSubscription.SetProperty("Microsoft.SharePoint.ActivationProperties.ListId", list.ID.ToString());

                // to be able to change HistoryListId, TaskListId, ListId
                InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(newSubscription, ModelEventType.OnUpdated);

                InvokeOnModelEvent(this, new ModelEventArgs
                {
                    CurrentModelNode = null,
                    Model = null,
                    EventType = ModelEventType.OnProvisioned,
                    Object = newSubscription,
                    ObjectType = typeof(WorkflowSubscription),
                    ObjectDefinition = workflowSubscriptionModel,
                    ModelHost = host
                });

                var currentSubscriptionId = workflowSubscriptionService.PublishSubscription(newSubscription);
            }
            else
            {
                currentSubscription.EventTypes = workflowSubscriptionModel.EventTypes.ToList();

                InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(currentSubscription, ModelEventType.OnUpdated);

                InvokeOnModelEvent(this, new ModelEventArgs
                {
                    CurrentModelNode = null,
                    Model = null,
                    EventType = ModelEventType.OnProvisioned,
                    Object = currentSubscription,
                    ObjectType = typeof(WorkflowSubscription),
                    ObjectDefinition = workflowSubscriptionModel,
                    ModelHost = host
                });

                workflowSubscriptionService.PublishSubscription(currentSubscription);
            }
        }

        private void DeployWebWorkflowSubscriptionDefinition(
            object host,
            SPWeb web,
            SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            var workflowServiceManager = new WorkflowServicesManager(web);

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var workflowDeploymentService = workflowServiceManager.GetWorkflowDeploymentService();
            var tgtwis = workflowServiceManager.GetWorkflowInstanceService();

            var publishedWorkflows = workflowDeploymentService.EnumerateDefinitions(true);

            var currentWorkflowDefinition = publishedWorkflows.FirstOrDefault(w => w.DisplayName == workflowSubscriptionModel.WorkflowDisplayName);

            if (currentWorkflowDefinition == null)
                throw new Exception(string.Format("Cannot lookup workflow definition with display name: [{0}] on web:[{1}]", workflowSubscriptionModel.WorkflowDisplayName, web.Url));

            // EnumerateSubscriptionsByEventSource() somehow throws an exception
            //var subscriptions = workflowSubscriptionService.EnumerateSubscriptionsByEventSource(web.ID);
            var subscriptions = workflowSubscriptionService.EnumerateSubscriptions().Where(s => s.EventSourceId == web.ID);

            InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(null, ModelEventType.OnUpdating);

            var currentSubscription = subscriptions.FirstOrDefault(s => s.Name == workflowSubscriptionModel.Name);

            InvokeOnModelEvent(this, new ModelEventArgs
            {
                CurrentModelNode = null,
                Model = null,
                EventType = ModelEventType.OnProvisioning,
                Object = currentSubscription,
                ObjectType = typeof(WorkflowSubscription),
                ObjectDefinition = workflowSubscriptionModel,
                ModelHost = host
            });

            if (currentSubscription == null)
            {
                var taskList = GetTaskList(web, workflowSubscriptionModel);
                var historyList = GetHistoryList(web, workflowSubscriptionModel);

                TraceService.Information((int)LogEventId.ModelProvisionProcessingNewObject, "Processing new SP2013 workflow subscription");

                var newSubscription = new WorkflowSubscription();

                TraceService.Verbose((int)LogEventId.ModelProvisionCoreCall, "Setting subscription properties");

                newSubscription.Name = workflowSubscriptionModel.Name;
                newSubscription.DefinitionId = currentWorkflowDefinition.Id;

                newSubscription.EventTypes = new List<string>(workflowSubscriptionModel.EventTypes);
                newSubscription.EventSourceId = web.ID;

                newSubscription.SetProperty("HistoryListId", historyList.ID.ToString());
                newSubscription.SetProperty("TaskListId", taskList.ID.ToString());

                newSubscription.SetProperty("WebId", web.ID.ToString());
                newSubscription.SetProperty("Microsoft.SharePoint.ActivationProperties.WebId", web.ID.ToString());

                // to be able to change HistoryListId, TaskListId, ListId
                InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(newSubscription, ModelEventType.OnUpdated);

                InvokeOnModelEvent(this, new ModelEventArgs
                {
                    CurrentModelNode = null,
                    Model = null,
                    EventType = ModelEventType.OnProvisioned,
                    Object = newSubscription,
                    ObjectType = typeof(WorkflowSubscription),
                    ObjectDefinition = workflowSubscriptionModel,
                    ModelHost = host
                });

                TraceService.Verbose((int)LogEventId.ModelProvisionCoreCall, "Calling PublishSubscription()");
                var currentSubscriptionId = workflowSubscriptionService.PublishSubscription(newSubscription);
            }
            else
            {
                TraceService.Information((int)LogEventId.ModelProvisionProcessingExistingObject, "Processing existing SP2013 workflow subscription");

                currentSubscription.EventTypes = new List<string>(workflowSubscriptionModel.EventTypes);

                InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(currentSubscription, ModelEventType.OnUpdated);

                InvokeOnModelEvent(this, new ModelEventArgs
                {
                    CurrentModelNode = null,
                    Model = null,
                    EventType = ModelEventType.OnProvisioned,
                    Object = currentSubscription,
                    ObjectType = typeof(WorkflowSubscription),
                    ObjectDefinition = workflowSubscriptionModel,
                    ModelHost = host
                });

                TraceService.Verbose((int)LogEventId.ModelProvisionCoreCall, "Calling PublishSubscription()");
                workflowSubscriptionService.PublishSubscription(currentSubscription);
            }
        }

        protected WorkflowDefinition GetWorkflowDefinition(object host,
            ClientContext hostclientContext,
            Web web,
            SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            TraceService.VerboseFormat((int)LogEventId.ModelProvisionCoreCall, "Resolving workflow definition by DisplayName: [{0}]", workflowSubscriptionModel.WorkflowDisplayName);

            var context = hostclientContext;
            //var web = list.ParentWeb;

            var workflowServiceManager = new WorkflowServicesManager(hostclientContext, web);

            //context.Load(web);
            //context.Load(list);

            context.ExecuteQueryWithTrace();

            hostclientContext.Load(workflowServiceManager);
            hostclientContext.ExecuteQueryWithTrace();

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var workflowDeploymentService = workflowServiceManager.GetWorkflowDeploymentService();
            var tgtwis = workflowServiceManager.GetWorkflowInstanceService();

            hostclientContext.Load(workflowSubscriptionService);
            hostclientContext.Load(workflowDeploymentService);
            hostclientContext.Load(tgtwis);

            hostclientContext.ExecuteQueryWithTrace();

            var publishedWorkflows = workflowDeploymentService.EnumerateDefinitions(true);

            hostclientContext.Load(publishedWorkflows);
            hostclientContext.ExecuteQueryWithTrace();

            var result = publishedWorkflows.FirstOrDefault(w => w.DisplayName == workflowSubscriptionModel.WorkflowDisplayName);

            if (result == null)
            {
                TraceService.ErrorFormat((int)LogEventId.ModelProvisionCoreCall,
                    "Cannot find workflow definition with DisplayName: [{0}]. Provision might break.",
                    workflowSubscriptionModel.WorkflowDisplayName);
            }

            return result;
        }

        private void DeployListWorkflowSubscriptionDefinition(
            object host,
            ClientContext hostclientContext, List list, SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            // hostclientContext - it must be clientContext, not ClientRuntimeContext - won't work and would give some weirs error with wg publishing
            // use only clientContext instance for the workflow publishing, not ClientRuntimeContext

            var context = list.Context;
            var web = list.ParentWeb;

            //This WorkflowServiceManager object is created for current web from client context, 
            //but actually it has to be created for parent web of current web.
            //Otherwise it uses wrong web for provisions with multiple webs
            //var workflowServiceManager = new WorkflowServicesManager(hostclientContext, hostclientContext.Web);

            context.Load(web);
            context.Load(list);

            context.ExecuteQueryWithTrace();

            //This is creation of WorkflowServiceManager with right web
            var workflowServiceManager = new WorkflowServicesManager(hostclientContext, web);

            hostclientContext.Load(workflowServiceManager);
            hostclientContext.ExecuteQueryWithTrace();

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var workflowDeploymentService = workflowServiceManager.GetWorkflowDeploymentService();
            var tgtwis = workflowServiceManager.GetWorkflowInstanceService();

            hostclientContext.Load(workflowSubscriptionService);
            hostclientContext.Load(workflowDeploymentService);
            hostclientContext.Load(tgtwis);

            hostclientContext.ExecuteQueryWithTrace();

            var publishedWorkflows = workflowDeploymentService.EnumerateDefinitions(true);

            hostclientContext.Load(publishedWorkflows);
            hostclientContext.ExecuteQueryWithTrace();

            var currentWorkflowDefinition = publishedWorkflows.FirstOrDefault(w => w.DisplayName == workflowSubscriptionModel.WorkflowDisplayName);

            if (currentWorkflowDefinition == null)
                throw new Exception(string.Format("Cannot lookup workflow definition with display name: [{0}] on web:[{1}]", workflowSubscriptionModel.WorkflowDisplayName, web.Url));

            var subscriptions = workflowSubscriptionService.EnumerateSubscriptionsByEventSource(list.Id);
            hostclientContext.Load(subscriptions);
            hostclientContext.ExecuteQueryWithTrace();

            var currentSubscription = subscriptions.FirstOrDefault(s => s.Name == workflowSubscriptionModel.Name);

            InvokeOnModelEvent(this, new ModelEventArgs
            {
                CurrentModelNode = null,
                Model = null,
                EventType = ModelEventType.OnProvisioning,
                Object = currentSubscription,
                ObjectType = typeof(WorkflowSubscription),
                ObjectDefinition = workflowSubscriptionModel,
                ModelHost = host
            });

            if (currentSubscription == null)
            {
                var taskList = GetTaskList(web, workflowSubscriptionModel);
                var historyList = GetHistoryList(web, workflowSubscriptionModel);

                TraceService.Information((int)LogEventId.ModelProvisionProcessingNewObject, "Processing new SP2013 workflow subscription");

                var newSubscription = new WorkflowSubscription(hostclientContext);

                TraceService.Verbose((int)LogEventId.ModelProvisionCoreCall, "Setting subscription properties");

                newSubscription.Name = workflowSubscriptionModel.Name;
                newSubscription.DefinitionId = currentWorkflowDefinition.Id;

                newSubscription.EventTypes = workflowSubscriptionModel.EventTypes;
                newSubscription.EventSourceId = list.Id;

                newSubscription.SetProperty("HistoryListId", historyList.Id.ToString());
                newSubscription.SetProperty("TaskListId", taskList.Id.ToString());

                newSubscription.SetProperty("ListId", list.Id.ToString());
                newSubscription.SetProperty("Microsoft.SharePoint.ActivationProperties.ListId", list.Id.ToString());

                MapProperties(currentSubscription, workflowSubscriptionModel);

                InvokeOnModelEvent(this, new ModelEventArgs
                {
                    CurrentModelNode = null,
                    Model = null,
                    EventType = ModelEventType.OnProvisioned,
                    Object = newSubscription,
                    ObjectType = typeof(WorkflowSubscription),
                    ObjectDefinition = workflowSubscriptionModel,
                    ModelHost = host
                });

                TraceService.Verbose((int)LogEventId.ModelProvisionCoreCall, "Calling PublishSubscription()");
//.........这里部分代码省略.........

        public void StartWorkflow(Guid subscriptionId, int itemId, Dictionary<string, object> payload)
        {
            var workflowServicesManager = new WorkflowServicesManager(clientContext, clientContext.Web);

            var subscriptionService = workflowServicesManager.GetWorkflowSubscriptionService();
            var subscription = subscriptionService.GetSubscription(subscriptionId);

            var instanceService = workflowServicesManager.GetWorkflowInstanceService();
            instanceService.StartWorkflowOnListItem(subscription, itemId, payload);
            clientContext.ExecuteQuery();
        }

        public WorkflowSubscription GetWorkflowSubscription(string workflowName)
        {
            var workflowServicesManager = new WorkflowServicesManager(clientContext, clientContext.Web);

            // find Approve Suppliers workflow definition
            var deploymentService = workflowServicesManager.GetWorkflowDeploymentService();
            var definitions = deploymentService.EnumerateDefinitions(true);
            clientContext.Load(definitions);
            clientContext.ExecuteQuery();

            var definition = definitions
                .Where(d => d.DisplayName == "Approve Suppliers")
                .First();

            // find subscriptions
            var subscriptionService = workflowServicesManager.GetWorkflowSubscriptionService();
            var subscriptions = subscriptionService.EnumerateSubscriptionsByDefinition(definition.Id);
            clientContext.Load(subscriptions);
            clientContext.ExecuteQuery();

            return subscriptions
                .Where(s => s.EventSourceId == list.Id)
                .First();
        }

        public override TokenParser ProvisionObjects(Web web, ProvisioningTemplate template, TokenParser parser, ProvisioningTemplateApplyingInformation applyingInformation)
        {
            using (var scope = new PnPMonitoredScope(this.Name))
            {
                // Get a reference to infrastructural services
                WorkflowServicesManager servicesManager = null;

                try
                {
                    servicesManager = new WorkflowServicesManager(web.Context, web);
                }
                catch (ServerException)
                {
                    // If there is no workflow service present in the farm this method will throw an error. 
                    // Swallow the exception
                }

                if (servicesManager != null)
                {
                    var deploymentService = servicesManager.GetWorkflowDeploymentService();
                    var subscriptionService = servicesManager.GetWorkflowSubscriptionService();

                    // Pre-load useful properties
                    web.EnsureProperty(w => w.Id);

                    // Provision Workflow Definitions
                    foreach (var templateDefinition in template.Workflows.WorkflowDefinitions)
                    {
                        // Load the Workflow Definition XAML
                        Stream xamlStream = template.Connector.GetFileStream(templateDefinition.XamlPath);
                        System.Xml.Linq.XElement xaml = System.Xml.Linq.XElement.Load(xamlStream);

                        int retryCount = 5;
                        int retryAttempts = 1;
                        int delay = 2000;

                        while (retryAttempts <= retryCount)
                        {
                            try
                            {

                                // Create the WorkflowDefinition instance
                                Microsoft.SharePoint.Client.WorkflowServices.WorkflowDefinition workflowDefinition =
                                    new Microsoft.SharePoint.Client.WorkflowServices.WorkflowDefinition(web.Context)
                                    {
                                        AssociationUrl = templateDefinition.AssociationUrl,
                                        Description = templateDefinition.Description,
                                        DisplayName = templateDefinition.DisplayName,
                                        FormField = templateDefinition.FormField,
                                        DraftVersion = templateDefinition.DraftVersion,
                                        Id = templateDefinition.Id,
                                        InitiationUrl = templateDefinition.InitiationUrl,
                                        RequiresAssociationForm = templateDefinition.RequiresAssociationForm,
                                        RequiresInitiationForm = templateDefinition.RequiresInitiationForm,
                                        RestrictToScope = parser.ParseString(templateDefinition.RestrictToScope),
                                        RestrictToType = templateDefinition.RestrictToType != "Universal" ? templateDefinition.RestrictToType : null,
                                        Xaml = parser.ParseString(xaml.ToString()),
                                    };

                                //foreach (var p in definition.Properties)
                                //{
                                //    workflowDefinition.SetProperty(p.Key, parser.ParseString(p.Value));
                                //}

                                // Save the Workflow Definition
                                var newDefinition = deploymentService.SaveDefinition(workflowDefinition);
                                //web.Context.Load(workflowDefinition); //not needed
                                web.Context.ExecuteQueryRetry();

                                // Let's publish the Workflow Definition, if needed
                                if (templateDefinition.Published)
                                {
                                    deploymentService.PublishDefinition(newDefinition.Value);
                                    web.Context.ExecuteQueryRetry();
                                }

                                break; // no errors so exit loop
                            }
                            catch (Exception ex)
                            {
                                // check exception is due to connection closed issue
                                if (ex is ServerException && ((ServerException)ex).ServerErrorCode == -2130575223 &&
                                    ((ServerException)ex).ServerErrorTypeName.Equals("Microsoft.SharePoint.SPException", StringComparison.InvariantCultureIgnoreCase) &&
                                    ((ServerException)ex).Message.Contains("A connection that was expected to be kept alive was closed by the server.")
                                    )
                                {
                                    WriteWarning(String.Format("Connection closed whilst adding Workflow Definition, trying again in {0}ms", delay), ProvisioningMessageType.Warning);

                                    Thread.Sleep(delay);

                                    retryAttempts++;
                                    delay = delay * 2; // double delay for next retry
                                }
                                else
                                {
                                    throw;
                                }
                            }
                        }
                    }
//.........这里部分代码省略.........

        private void DeployWorkflowSubscriptionDefinition(
            SP2013WorkflowSubscriptionModelHost host,
            ClientContext hostClientContext, List list, SP2013WorkflowSubscriptionDefinition workflowSubscriptionModel)
        {
            // hostClientContext - it must be ClientContext, not ClientRuntimeContext - won't work and would give some weirs error with wg publishing
            // use only ClientContext instance for the workflow pubnlishing, not ClientRuntimeContext

            var context = list.Context;
            var web = list.ParentWeb;

            var workflowServiceManager = new WorkflowServicesManager(hostClientContext, hostClientContext.Web);

            context.Load(web);
            context.Load(list);

            context.ExecuteQuery();

            hostClientContext.Load(workflowServiceManager);
            hostClientContext.ExecuteQuery();

            var workflowSubscriptionService = workflowServiceManager.GetWorkflowSubscriptionService();
            var workflowDeploymentService = workflowServiceManager.GetWorkflowDeploymentService();
            var tgtwis = workflowServiceManager.GetWorkflowInstanceService();

            hostClientContext.Load(workflowSubscriptionService);
            hostClientContext.Load(workflowDeploymentService);
            hostClientContext.Load(tgtwis);

            hostClientContext.ExecuteQuery();

            var publishedWorkflows = workflowDeploymentService.EnumerateDefinitions(true);

            hostClientContext.Load(publishedWorkflows);
            hostClientContext.ExecuteQuery();

            var currentWorkflowDefinition = publishedWorkflows.FirstOrDefault(w => w.DisplayName == workflowSubscriptionModel.WorkflowDisplayName);

            if (currentWorkflowDefinition == null)
                throw new Exception(string.Format("Cannot lookup workflow definition with display name: [{0}] on web:[{1}]", workflowSubscriptionModel.WorkflowDisplayName, web.Url));

            var subscriptions = workflowSubscriptionService.EnumerateSubscriptionsByList(list.Id);
            hostClientContext.Load(subscriptions);
            hostClientContext.ExecuteQuery();

            InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(null, ModelEventType.OnUpdating);

            var currentSubscription = subscriptions.FirstOrDefault(s => s.Name == workflowSubscriptionModel.Name);

            InvokeOnModelEvent(this, new ModelEventArgs
            {
                CurrentModelNode = null,
                Model = null,
                EventType = ModelEventType.OnProvisioning,
                Object = currentSubscription,
                ObjectType = typeof(WorkflowSubscription),
                ObjectDefinition = workflowSubscriptionModel,
                ModelHost = host
            });

            if (currentSubscription == null)
            {
                var newSubscription = new WorkflowSubscription(hostClientContext);

                newSubscription.Name = workflowSubscriptionModel.Name;
                newSubscription.DefinitionId = currentWorkflowDefinition.Id;

                newSubscription.EventTypes = workflowSubscriptionModel.EventTypes;
                newSubscription.EventSourceId = list.Id;

                // lookup task and history lists, probaly need to think ab otehr strategy
                var taskList = WebExtensions.QueryAndGetListByUrl(web, workflowSubscriptionModel.TaskListUrl);
                var historyList = WebExtensions.QueryAndGetListByUrl(web, workflowSubscriptionModel.HistoryListUrl);

                newSubscription.SetProperty("HistoryListId", historyList.Id.ToString());
                newSubscription.SetProperty("TaskListId", taskList.Id.ToString());

                newSubscription.SetProperty("ListId", list.Id.ToString());
                newSubscription.SetProperty("Microsoft.SharePoint.ActivationProperties.ListId", list.Id.ToString());

                // to be able to change HistoryListId, TaskListId, ListId
                InvokeOnModelEvent<SP2013WorkflowSubscriptionDefinition, WorkflowSubscription>(newSubscription, ModelEventType.OnUpdated);

                InvokeOnModelEvent(this, new ModelEventArgs
                {
                    CurrentModelNode = null,
                    Model = null,
                    EventType = ModelEventType.OnProvisioned,
                    Object = newSubscription,
                    ObjectType = typeof(WorkflowSubscription),
                    ObjectDefinition = workflowSubscriptionModel,
                    ModelHost = host
                });

                var currentSubscriptionId = workflowSubscriptionService.PublishSubscription(newSubscription);
                hostClientContext.ExecuteQuery();
            }
            else
            {
                currentSubscription.EventTypes = workflowSubscriptionModel.EventTypes;

//.........这里部分代码省略.........