WorkflowServiceBehavior.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.ServiceModel.Activities / System / ServiceModel / Activities / Description / WorkflowServiceBehavior.cs / 1305376 / WorkflowServiceBehavior.cs
                        

                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------

namespace System.ServiceModel.Activities.Description 
{
    using System.Activities; 
    using System.ServiceModel; 
    using System.ServiceModel.Activities.Dispatcher;
    using System.ServiceModel.Description; 
    using System.ServiceModel.Dispatcher;

    class WorkflowServiceBehavior : IServiceBehavior
    { 
        public WorkflowServiceBehavior(Activity activity)
        { 
            this.Activity = activity; 
        }
 
        public Activity Activity
        {
            get;
            private set; 
        }
 
        public void AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase, System.Collections.ObjectModel.Collection endpoints, System.ServiceModel.Channels.BindingParameterCollection bindingParameters) 
        {
        } 

        public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
        {
            if (serviceDescription == null) 
            {
                throw FxTrace.Exception.ArgumentNull("serviceDescription"); 
            } 

            if (serviceHostBase == null) 
            {
                throw FxTrace.Exception.ArgumentNull("serviceHostBase");
            }
 
            DurableInstanceContextProvider instanceContextProvider = new DurableInstanceContextProvider(serviceHostBase);
            DurableInstanceProvider instanceProvider = new DurableInstanceProvider(serviceHostBase); 
 
            ServiceDebugBehavior serviceDebugBehavior = serviceDescription.Behaviors.Find();
 
            bool includeExceptionDetailInFaults = serviceDebugBehavior != null ?
                serviceDebugBehavior.IncludeExceptionDetailInFaults
                : false;
 
            foreach (ChannelDispatcherBase channelDispatcherBase in serviceHostBase.ChannelDispatchers)
            { 
                ChannelDispatcher channelDispatcher = channelDispatcherBase as ChannelDispatcher; 

                if (channelDispatcher != null) 
                {
                    foreach (EndpointDispatcher endPointDispatcher in channelDispatcher.Endpoints)
                    {
                        if (IsWorkflowEndpoint(endPointDispatcher)) 
                        {
                            DispatchRuntime dispatchRuntime = endPointDispatcher.DispatchRuntime; 
                            dispatchRuntime.AutomaticInputSessionShutdown = true; 
                            dispatchRuntime.ConcurrencyMode = ConcurrencyMode.Multiple;
 
                            //
                            dispatchRuntime.InstanceContextProvider = instanceContextProvider;
                            dispatchRuntime.InstanceProvider = instanceProvider;
 
                            if (includeExceptionDetailInFaults)
                            { 
                                dispatchRuntime.SetDebugFlagInDispatchOperations(includeExceptionDetailInFaults); 
                            }
                        } 
                    }
                }
            }
        } 

        public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase) 
        { 
            if (serviceDescription == null)
            { 
                throw FxTrace.Exception.ArgumentNull("serviceDescription");
            }

            if (serviceHostBase == null) 
            {
                throw FxTrace.Exception.ArgumentNull("serviceHostBase"); 
            } 
        }
 
        internal static bool IsWorkflowEndpoint(EndpointDispatcher endpointDispatcher)
        {
            if (endpointDispatcher.IsSystemEndpoint)
            { 
                //Check whether the System Endpoint Opted in for WorkflowDispatch
 
                ServiceHostBase serviceHost = endpointDispatcher.ChannelDispatcher.Host; 
                ServiceEndpoint serviceEndpoint = null;
                foreach (ServiceEndpoint endpointToMatch in serviceHost.Description.Endpoints) 
                {
                    if (endpointToMatch.Id == endpointDispatcher.Id)
                    {
                        serviceEndpoint = endpointToMatch; 
                        break;
                    } 
                } 

                if (serviceEndpoint != null) 
                {
                    //User defined Std Endpoint with WorkflowContractBehaviorAttribute.
                    return serviceEndpoint is WorkflowHostingEndpoint || serviceEndpoint.Contract.Behaviors.Contains(typeof(WorkflowContractBehaviorAttribute));
                } 
                return false; //Some Einstein scenario where EndpointDispatcher is added explicitly without associated ServiceEndpoint.
            } 
            return true; //Application Endpoint 
        }
    } 
}

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

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