WorkflowRuntimeBehavior.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx35 / System.WorkflowServices / System / ServiceModel / Description / WorkflowRuntimeBehavior.cs / 1305376 / WorkflowRuntimeBehavior.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel.Description
{ 
    using System.Globalization;
    using System.ServiceModel.Administration; 
    using System.ServiceModel.Dispatcher; 
    using System.Workflow.Runtime;
    using System.Workflow.Runtime.Configuration; 
    using System.Workflow.Runtime.Hosting;

    public class WorkflowRuntimeBehavior : IServiceBehavior, IWmiInstanceProvider
    { 
        internal static readonly TimeSpan DefaultCachedInstanceExpiration = TimeSpan.Parse(DefaultCachedInstanceExpirationString, CultureInfo.InvariantCulture);
        //default of 10 minutes chosen to be in-parity with SM inactivity timeout for session. 
        internal const string DefaultCachedInstanceExpirationString = "00:10:00"; 
        internal const string defaultName = "WorkflowRuntime";
        internal const bool DefaultValidateOnCreate = true; 

        static WorkflowRuntimeSection defaultWorkflowRuntimeSection;

        TimeSpan cachedInstanceExpiration; 
        bool validateOnCreate;
        WorkflowRuntime workflowRuntime = null; 
 
        public WorkflowRuntimeBehavior() : this(null, DefaultCachedInstanceExpiration, DefaultValidateOnCreate)
        { 
            // empty
        }

        internal WorkflowRuntimeBehavior(WorkflowRuntime workflowRuntime, TimeSpan cachedInstanceExpiration, bool validateOnCreate) 
        {
            this.workflowRuntime = workflowRuntime; 
            this.cachedInstanceExpiration = cachedInstanceExpiration; 
            this.validateOnCreate = validateOnCreate;
        } 

        public TimeSpan CachedInstanceExpiration
        {
            get 
            {
                return this.cachedInstanceExpiration; 
            } 
            set
            { 
                if (value < TimeSpan.Zero)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
                } 
                this.cachedInstanceExpiration = value;
            } 
        } 

        public WorkflowRuntime WorkflowRuntime 
        {
            get
            {
                if (this.workflowRuntime == null) 
                {
                    this.workflowRuntime = new WorkflowRuntime(WorkflowRuntimeBehavior.DefaultWorkflowRuntimeSection); 
                } 
                return this.workflowRuntime;
            } 
        }

        internal bool ValidateOnCreate
        { 
            get { return this.validateOnCreate; }
        } 
 
        static WorkflowRuntimeSection DefaultWorkflowRuntimeSection
        { 
            get
            {
                if (defaultWorkflowRuntimeSection == null)
                { 
                    WorkflowRuntimeSection tempSection = new WorkflowRuntimeSection();
                    tempSection.ValidateOnCreate = false; 
                    tempSection.EnablePerformanceCounters = true; 
                    tempSection.Name = defaultName;
                    defaultWorkflowRuntimeSection = tempSection; 
                }
                return defaultWorkflowRuntimeSection;
            }
        } 

        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 (serviceHostBase == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceHostBase"); 
            } 
            if (serviceHostBase.Extensions == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceHostBase.Extensions");
            }

            WorkflowInstanceLifetimeManagerExtension cachedInstanceExpirationExtension = new WorkflowInstanceLifetimeManagerExtension( 
                this.WorkflowRuntime,
                this.CachedInstanceExpiration, 
                this.WorkflowRuntime.GetService() != null); 
            serviceHostBase.Extensions.Add(cachedInstanceExpirationExtension);
        } 

        void IWmiInstanceProvider.FillInstance(IWmiInstance wmiInstance)
        {
            wmiInstance.SetProperty("CachedInstanceExpiration", this.CachedInstanceExpiration.ToString()); 
        }
 
        string IWmiInstanceProvider.GetInstanceType() 
        {
            return "WorkflowRuntimeBehavior"; 
        }

        public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
        { 
            ValidateWorkflowRuntime(this.WorkflowRuntime);
        } 
 
        void ValidateWorkflowRuntime(WorkflowRuntime workflowRuntime)
        { 
            if (workflowRuntime.IsStarted)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.WorkflowRuntimeStartedBeforeHostOpen)));
            } 

            WorkflowSchedulerService workflowSchedulerService = workflowRuntime.GetService(); 
 
            if (!(workflowSchedulerService is SynchronizationContextWorkflowSchedulerService))
            { 
                if (workflowSchedulerService != null)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.WrongSchedulerServiceRegistered)));
                } 
                workflowRuntime.AddService(new SynchronizationContextWorkflowSchedulerService());
            } 
        } 

    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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WorkflowRuntimeBehavior.cs source code in C# .NET

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