TimerEventSubscription.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / RunTime / TimerEventSubscription.cs / 1305376 / TimerEventSubscription.cs
                        

                        
                            using System; 
using System.Workflow.Runtime.Hosting;

namespace System.Workflow.Runtime
{ 
    /// 
    /// TimerEventSubscription 
    /// Class which represents a timer subscription which a running workflow 
    /// instance creates on timer service for Timer Notification.
    ///  
    [Serializable]
    public class TimerEventSubscription
    {
        #region Data 
        DateTime expiresAt;
        Guid subscriptionId; 
        Guid workflowInstanceId; 
        IComparable queueName;
 
        #endregion
        /// 
        /// Specifies the absolute timeout value in UTC format, at which
        /// workflow expects a notification from SchedulerService. 
        /// 
        public virtual DateTime ExpiresAt 
        { 
            get
            { 
                return this.expiresAt;
            }
        }
 
        //A Unique id for this subscription. It is needed because
        //QueueName is not always guaranteed to be Unique. 
        //Needed in case of Multiple Subscription on Same Queue 
        public virtual Guid SubscriptionId
        { 
            get
            {
                return this.subscriptionId;
            } 
        }
 
        public virtual IComparable QueueName 
        {
            get 
            {
                return this.queueName;
            }
            protected set 
            {
                this.queueName = value; 
            } 
        }
 
        public virtual Guid WorkflowInstanceId
        {
            get
            { 
                return this.workflowInstanceId;
            } 
        } 

 
        //Used only when providing specialized implementation.
        protected TimerEventSubscription()
        {
 
        }
 
        ///  
        /// Creates a TimerEventSubscription for workflow Instance identified by
        /// workflowInstanceID. 
        /// 
        /// WorkflowInstanceId for which this subscription is created.
        ///  Time at which timer event should fire.
        public TimerEventSubscription(Guid workflowInstanceId, DateTime expiresAt) 
            : this(Guid.NewGuid(), workflowInstanceId, expiresAt)
        { 
 
        }
 
        /// 
        /// Constructor to create TimerEventSubscription with user provided
        /// value for timerid which will be SubscriptionId & QueueName of EventSubscription.
        ///  
        /// SubscriptionId for this subscription, this will be same value as QueueName.
        /// WorkflowInstanceId for which this subscription is created. 
        ///  Time at which timer event should fire. 
        public TimerEventSubscription(Guid timerId, Guid workflowInstanceId, DateTime expiresAt)
        { 
            this.queueName = timerId;
            this.workflowInstanceId = workflowInstanceId;
            this.subscriptionId = timerId;
            this.expiresAt = expiresAt; 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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