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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.Runtime
{
using System;
using System.Runtime;
using System.Reflection;
using System.Runtime.Serialization;
using System.Diagnostics.CodeAnalysis;
[DataContract]
class EmptyWithCancelationCheckWorkItem : ActivityExecutionWorkItem
{
ActivityInstance completedInstance;
public EmptyWithCancelationCheckWorkItem(ActivityInstance activityInstance, ActivityInstance completedInstance)
: base(activityInstance)
{
this.completedInstance = completedInstance;
this.IsEmpty = true;
}
[DataMember(Name = "completedInstance")]
internal ActivityInstance SerializedCompletedInstance
{
get { return this.completedInstance; }
set { this.completedInstance = value; }
}
public override void TraceCompleted()
{
TraceRuntimeWorkItemCompleted();
}
public override void TraceScheduled()
{
TraceRuntimeWorkItemScheduled();
}
public override void TraceStarting()
{
TraceRuntimeWorkItemStarting();
}
public override bool Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
{
Fx.Assert("Empty work items should never been executed.");
return true;
}
public override void PostProcess(ActivityExecutor executor)
{
if (this.completedInstance.State != ActivityInstanceState.Closed && this.ActivityInstance.IsPerformingDefaultCancelation)
{
this.ActivityInstance.MarkCanceled();
}
base.PostProcess(executor);
}
}
}
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