ServiceDurableInstanceContextProvider.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 / ServiceDurableInstanceContextProvider.cs / 1305376 / ServiceDurableInstanceContextProvider.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{ 
    using System;
    using System.Collections.Generic; 
    using System.Collections.ObjectModel; 
    using System.ServiceModel.Channels;
    using System.ServiceModel.Persistence; 
    using System.Threading;
    using System.ServiceModel.Description;
    using System.ServiceModel.Diagnostics;
    using System.Diagnostics; 
    using System.Runtime.Diagnostics;
 
    class ServiceDurableInstanceContextProvider : DurableInstanceContextProvider 
    {
        TimeSpan operationTimeout; 
        PersistenceProviderFactory providerFactory;
        DurableRuntimeValidator runtimeValidator;
        bool saveStateInOperationTransaction;
        Type serviceType; 
        UnknownExceptionAction unknownExceptionAction;
 
        public ServiceDurableInstanceContextProvider( 
            ServiceHostBase serviceHostBase,
            bool isPercall, 
            Type serviceType,
            PersistenceProviderFactory providerFactory,
            bool saveStateInOperationTransaction,
            UnknownExceptionAction unknownExceptionAction, 
            DurableRuntimeValidator runtimeValidator,
            TimeSpan operationTimeout) 
            : base(serviceHostBase, isPercall) 
        {
            if (serviceType == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceType");
            }
 
            if (providerFactory == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("providerFactory"); 
            }
 
            if (runtimeValidator == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("runtimeValidator");
            } 

            this.serviceType = serviceType; 
            this.providerFactory = providerFactory; 
            this.saveStateInOperationTransaction = saveStateInOperationTransaction;
            this.unknownExceptionAction = unknownExceptionAction; 
            this.runtimeValidator = runtimeValidator;
            this.operationTimeout = operationTimeout;
        }
 
        protected override DurableInstance OnCreateNewInstance(Guid instanceId)
        { 
            if (DiagnosticUtility.ShouldTraceInformation) 
            {
                string traceText = SR2.GetString(SR2.InstanceContextProviderCreatedNewInstance, "Service", instanceId); 
                TraceUtility.TraceEvent(TraceEventType.Information,
                    TraceCode.ActivatingMessageReceived, SR.GetString(SR.TraceCodeActivatingMessageReceived),
                    new StringTraceRecord("NewInstanceDetail", traceText),
                    this, null); 
            }
 
            return new ServiceDurableInstance( 
                this.providerFactory.CreateProvider(instanceId),
                this, 
                this.saveStateInOperationTransaction,
                this.unknownExceptionAction,
                this.runtimeValidator,
                this.operationTimeout, 
                this.serviceType);
        } 
 
        protected override DurableInstance OnGetExistingInstance(Guid instanceId)
        { 
            return new ServiceDurableInstance(
                this.providerFactory.CreateProvider(instanceId),
                this,
                this.saveStateInOperationTransaction, 
                this.unknownExceptionAction,
                this.runtimeValidator, 
                this.operationTimeout); 
        }
    } 
}

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

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