DurableInstance.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 / NetFx35 / System.WorkflowServices / System / ServiceModel / Dispatcher / DurableInstance.cs / 1305376 / DurableInstance.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{ 
    using System.Runtime;
    using System.ServiceModel.Channels; 
    using System.ServiceModel.Persistence; 

    abstract class DurableInstance : CommunicationObject, IExtension 
    {
        DurableInstanceContextProvider instanceContextProvider;
        Guid instanceId;
 
        protected DurableInstance(DurableInstanceContextProvider instanceContextProvider, Guid instanceId)
        { 
            if (instanceContextProvider == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("instanceContextProvider"); 
            }

            this.instanceId = instanceId;
            this.instanceContextProvider = instanceContextProvider; 
        }
 
        public Guid InstanceId 
        {
            get 
            {
                return this.instanceId;
            }
        } 

        protected override TimeSpan DefaultCloseTimeout 
        { 
            get { return PersistenceProvider.DefaultOpenClosePersistenceTimout; }
        } 

        protected override TimeSpan DefaultOpenTimeout
        {
            get { return PersistenceProvider.DefaultOpenClosePersistenceTimout; } 
        }
 
        public void DecrementActivityCount() 
        {
            instanceContextProvider.DecrementActivityCount(this.instanceId); 
        }

        void IExtension.Attach(InstanceContext owner)
        { 
        }
 
        void IExtension.Detach(InstanceContext owner) 
        {
        } 

        protected override void OnAbort()
        {
        } 

        protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state) 
        { 
            return new CompletedAsyncResult(callback, state);
        } 

        protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
        {
            return new CompletedAsyncResult(callback, state); 
        }
 
        protected override void OnClose(TimeSpan timeout) 
        {
        } 

        protected override void OnEndClose(IAsyncResult result)
        {
            CompletedAsyncResult.End(result); 
        }
 
        protected override void OnEndOpen(IAsyncResult result) 
        {
            CompletedAsyncResult.End(result); 
        }

        protected override void OnOpen(TimeSpan timeout)
        { 
        }
    } 
} 

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

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