DurableInstanceProvider.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 / DurableInstanceProvider.cs / 1305376 / DurableInstanceProvider.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{ 
    using System.ServiceModel.Channels;
 
    class DurableInstanceProvider : IInstanceProvider 
    {
        DurableInstanceContextProvider durableInstanceContextProvider; 

        public DurableInstanceProvider(DurableInstanceContextProvider instanceContextProvider)
        {
            this.durableInstanceContextProvider = instanceContextProvider; 
        }
 
        public object GetInstance(InstanceContext instanceContext) 
        {
            return ((IInstanceProvider) this).GetInstance(instanceContext, null); 
        }

        public object GetInstance(InstanceContext instanceContext, Message message)
        { 
            if (instanceContext == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("instanceContext"); 
            }
 
            return instanceContext.Extensions.Find();
        }

        public virtual void ReleaseInstance(InstanceContext instanceContext, object instance) 
        {
            if (instanceContext == null) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("instanceContext");
            } 

            if (instance == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("instance"); 
            }
 
            DurableInstance durableInstance = (DurableInstance) instance; 

            if (instanceContext.State == CommunicationState.Faulted || instanceContext.Aborted) 
            {
                durableInstance.Abort();
                this.durableInstanceContextProvider.UnbindAbortedInstance(instanceContext, durableInstance.InstanceId);
            } 
            else if (instanceContext.State == CommunicationState.Closed)
            { 
                durableInstance.Close(); 
            }
        } 
    }
}

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

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