100 lines
3.1 KiB
C#
100 lines
3.1 KiB
C#
using System;
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using System.Workflow.Runtime.Hosting;
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namespace System.Workflow.Runtime
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{
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/// <summary>
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/// TimerEventSubscription
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/// Class which represents a timer subscription which a running workflow
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/// instance creates on timer service for Timer Notification.
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/// </summary>
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[Serializable]
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[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
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public class TimerEventSubscription
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{
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#region Data
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DateTime expiresAt;
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Guid subscriptionId;
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Guid workflowInstanceId;
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IComparable queueName;
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#endregion
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/// <summary>
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/// Specifies the absolute timeout value in UTC format, at which
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/// workflow expects a notification from SchedulerService.
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/// </summary>
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public virtual DateTime ExpiresAt
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{
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get
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{
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return this.expiresAt;
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}
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}
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//A Unique id for this subscription. It is needed because
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//QueueName is not always guaranteed to be Unique.
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//Needed in case of Multiple Subscription on Same Queue
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public virtual Guid SubscriptionId
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{
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get
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{
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return this.subscriptionId;
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}
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}
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public virtual IComparable QueueName
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{
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get
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{
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return this.queueName;
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}
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protected set
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{
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this.queueName = value;
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}
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}
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public virtual Guid WorkflowInstanceId
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{
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get
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{
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return this.workflowInstanceId;
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}
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}
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//Used only when providing specialized implementation.
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protected TimerEventSubscription()
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{
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}
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/// <summary>
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/// Creates a TimerEventSubscription for workflow Instance identified by
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/// workflowInstanceID.
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/// </summary>
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/// <param name="workflowInstanceId">WorkflowInstanceId for which this subscription is created.</param>
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/// <param name="expiresAt"> Time at which timer event should fire.</param>
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public TimerEventSubscription(Guid workflowInstanceId, DateTime expiresAt)
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: this(Guid.NewGuid(), workflowInstanceId, expiresAt)
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{
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}
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/// <summary>
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/// Constructor to create TimerEventSubscription with user provided
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/// value for timerid which will be SubscriptionId & QueueName of EventSubscription.
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/// </summary>
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/// <param name="timerId">SubscriptionId for this subscription, this will be same value as QueueName.</param>
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/// <param name="workflowInstanceId">WorkflowInstanceId for which this subscription is created.</param>
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/// <param name="expiresAt"> Time at which timer event should fire.</param>
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public TimerEventSubscription(Guid timerId, Guid workflowInstanceId, DateTime expiresAt)
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{
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this.queueName = timerId;
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this.workflowInstanceId = workflowInstanceId;
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this.subscriptionId = timerId;
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this.expiresAt = expiresAt;
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}
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}
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}
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