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C# WorkflowPersistenceService.SaveWorkflowInstanceState方法代碼示例

本文整理匯總了C#中System.Workflow.Runtime.Hosting.WorkflowPersistenceService.SaveWorkflowInstanceState方法的典型用法代碼示例。如果您正苦於以下問題:C# WorkflowPersistenceService.SaveWorkflowInstanceState方法的具體用法?C# WorkflowPersistenceService.SaveWorkflowInstanceState怎麽用?C# WorkflowPersistenceService.SaveWorkflowInstanceState使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。


在下文中一共展示了WorkflowPersistenceService.SaveWorkflowInstanceState方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: SaveWorkflowInstanceState

// Save the workflow instance state at the point of persistence with option of locking the instance state if it is shared
// across multiple runtimes or multiple phase instance updates
protected override void SaveWorkflowInstanceState(Activity rootActivity, bool unlock)
{
    // Save the workflow
    Guid contextGuid = (Guid)rootActivity.GetValue(Activity.ActivityContextGuidProperty);
    Console.WriteLine("Saving instance: {0}\n", contextGuid);
    SerializeToFile(
        WorkflowPersistenceService.GetDefaultSerializedForm(rootActivity), contextGuid);

    // See when the next timer (Delay activity) for this workflow will expire
    TimerEventSubscriptionCollection timers = (TimerEventSubscriptionCollection)rootActivity.GetValue(TimerEventSubscriptionCollection.TimerCollectionProperty);
    TimerEventSubscription subscription = timers.Peek();
    if (subscription != null)
    {
        // Set a system timer to automatically reload this workflow when its next timer expires
        TimerCallback callback = new TimerCallback(ReloadWorkflow);
        TimeSpan timeDifference = subscription.ExpiresAt - DateTime.UtcNow;
        System.Threading.Timer timer = new System.Threading.Timer(
            callback,
            subscription.WorkflowInstanceId,
            timeDifference < TimeSpan.Zero ? TimeSpan.Zero : timeDifference,
            new TimeSpan(-1));
    }
}
開發者ID:.NET開發者,項目名稱:System.Workflow.Runtime.Hosting,代碼行數:25,代碼來源:WorkflowPersistenceService.SaveWorkflowInstanceState


注:本文中的System.Workflow.Runtime.Hosting.WorkflowPersistenceService.SaveWorkflowInstanceState方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。