EmptyWorkItem.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 / NetFx40 / System.Activities / System / Activities / Runtime / EmptyWorkItem.cs / 1305376 / EmptyWorkItem.cs

                            //------------------------------------------------------------------------------ 
// 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 EmptyWorkItem : ActivityExecutionWorkItem
    { 
        // Called by the Pool. 
        public EmptyWorkItem()
        { 
            this.IsPooled = true;

            // Empty doesn't need to be cleared/reinitialized so we set it here
            this.IsEmpty = true; 
        }
 
        public void Initialize(ActivityInstance activityInstance) 
        {
            base.Reinitialize(activityInstance); 
        }

        protected override void ReleaseToPool(ActivityExecutor executor)
        { 
            base.ClearForReuse();
 
            executor.EmptyWorkItemPool.Release(this); 
        }
 
        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;
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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