77 lines
2.3 KiB
C#
77 lines
2.3 KiB
C#
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//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.Activities.Runtime
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{
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using System;
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using System.Runtime;
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using System.Reflection;
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using System.Runtime.Serialization;
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using System.Diagnostics.CodeAnalysis;
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[DataContract]
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abstract class ActivityExecutionWorkItem : WorkItem
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{
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bool skipActivityInstanceAbort;
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// Used by subclasses in the pooled case
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protected ActivityExecutionWorkItem()
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{
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}
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public ActivityExecutionWorkItem(ActivityInstance activityInstance)
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: base(activityInstance)
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{
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}
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public override bool IsValid
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{
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get
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{
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return this.ActivityInstance.State == ActivityInstanceState.Executing;
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}
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}
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public override ActivityInstance PropertyManagerOwner
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{
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get
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{
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return this.ActivityInstance;
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}
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}
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protected override void ClearForReuse()
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{
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base.ClearForReuse();
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this.skipActivityInstanceAbort = false;
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}
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protected void SetExceptionToPropagateWithoutAbort(Exception exception)
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{
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this.ExceptionToPropagate = exception;
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this.skipActivityInstanceAbort = true;
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}
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public override void PostProcess(ActivityExecutor executor)
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{
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if (this.ExceptionToPropagate != null && !skipActivityInstanceAbort)
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{
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executor.AbortActivityInstance(this.ActivityInstance, this.ExceptionToPropagate);
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}
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else if (this.ActivityInstance.UpdateState(executor))
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{
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// NOTE: exceptionToPropagate could be non-null here if this is a Fault work item.
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// That means that the next line could potentially overwrite the exception with a
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// new exception.
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Exception newException = executor.CompleteActivityInstance(this.ActivityInstance);
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if (newException != null)
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{
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this.ExceptionToPropagate = newException;
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}
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}
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}
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}
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}
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