61 lines
1.6 KiB
C#
61 lines
1.6 KiB
C#
//-----------------------------------------------------------------------------
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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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class EmptyWorkItem : ActivityExecutionWorkItem
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{
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// Called by the Pool.
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public EmptyWorkItem()
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{
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this.IsPooled = true;
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// Empty doesn't need to be cleared/reinitialized so we set it here
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this.IsEmpty = true;
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}
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public void Initialize(ActivityInstance activityInstance)
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{
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base.Reinitialize(activityInstance);
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}
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protected override void ReleaseToPool(ActivityExecutor executor)
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{
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base.ClearForReuse();
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executor.EmptyWorkItemPool.Release(this);
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}
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public override void TraceCompleted()
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{
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TraceRuntimeWorkItemCompleted();
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}
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public override void TraceScheduled()
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{
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TraceRuntimeWorkItemScheduled();
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}
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public override void TraceStarting()
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{
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TraceRuntimeWorkItemStarting();
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}
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public override bool Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
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{
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Fx.Assert("Empty work items should never been executed.");
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return true;
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}
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}
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}
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