WorkflowServiceHost.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 / WorkflowServiceHost.cs / 1305376 / WorkflowServiceHost.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
namespace System.ServiceModel
{ 
    using System.Collections.Generic;
    using System.Diagnostics.CodeAnalysis; 
    using System.IO; 
    using System.Runtime;
    using System.ServiceModel.Channels; 
    using System.ServiceModel.Description;
    using System.Workflow.ComponentModel.Compiler;
    using System.Workflow.Runtime;
 
    public class WorkflowServiceHost : ServiceHostBase
    { 
        IList reflectedContracts; 
        WorkflowDefinitionContext workflowDefinitionContext;
 
        public WorkflowServiceHost(Type workflowType, params Uri[] baseAddress) :
            this(new CompiledWorkflowDefinitionContext(workflowType), baseAddress)
        {
 
        }
 
        public WorkflowServiceHost(string workflowDefinitionPath, params Uri[] baseAddress) : 
            this(new StreamedWorkflowDefinitionContext(workflowDefinitionPath, null, null), baseAddress)
        { 

        }

        public WorkflowServiceHost(string workflowDefinitionPath, string ruleDefinitionPath, params Uri[] baseAddress) 
            : this(new StreamedWorkflowDefinitionContext(workflowDefinitionPath, ruleDefinitionPath, null), baseAddress)
        { 
 
        }
 
        public WorkflowServiceHost(string workflowDefinitionPath, string ruleDefinitionPath, ITypeProvider typeProvider, params Uri[] baseAddress)
            : this(new StreamedWorkflowDefinitionContext(workflowDefinitionPath, ruleDefinitionPath, typeProvider), baseAddress)
        {
 
        }
 
 
        public WorkflowServiceHost(Stream workflowDefinition, params Uri[] baseAddress) :
            this(new StreamedWorkflowDefinitionContext(workflowDefinition, null, null), baseAddress) 
        {

        }
 
        public WorkflowServiceHost(Stream workflowDefinition, Stream ruleDefinition, params Uri[] baseAddress) :
            this(new StreamedWorkflowDefinitionContext(workflowDefinition, ruleDefinition, null), baseAddress) 
        { 

        } 

        public WorkflowServiceHost(Stream workflowDefinition, Stream ruleDefinition, ITypeProvider typeProvider, params Uri[] baseAddress)
            : this(new StreamedWorkflowDefinitionContext(workflowDefinition, ruleDefinition, typeProvider), baseAddress)
        { 

        } 
 
        // Based on prior art from WCF:
        // ServiceModel.lst:System.ServiceModel.ServiceHost..ctor(System.Object,System.Uri[]) 
        // |DoNotCallOverridableMethodsInConstructors
        // |[....]|By design, don't want to complicate ServiceHost state model
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
        internal WorkflowServiceHost(WorkflowDefinitionContext workflowDefinitionContext, params Uri[] baseAddress) 
            : base()
        { 
            InitializeDescription(workflowDefinitionContext, new UriSchemeKeyedCollection(baseAddress)); 
        }
 
        protected WorkflowServiceHost()
        {

        } 

        public ServiceEndpoint AddServiceEndpoint(Type implementedContract, Binding binding, string address) 
        { 
            if (address == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("address"));
            }

            return this.AddServiceEndpoint(implementedContract, binding, new Uri(address, UriKind.RelativeOrAbsolute)); 
        }
 
        public ServiceEndpoint AddServiceEndpoint(Type implementedContract, Binding binding, Uri address) 
        {
            return this.AddServiceEndpoint(implementedContract, binding, address, null); 
        }

        public ServiceEndpoint AddServiceEndpoint(Type implementedContract, Binding binding, string address, Uri listenUri)
        { 
            if (address == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("address")); 
            }
 
            return this.AddServiceEndpoint(implementedContract, binding, new Uri(address, UriKind.RelativeOrAbsolute), listenUri);
        }

        public ServiceEndpoint AddServiceEndpoint(Type implementedContract, Binding binding, Uri address, Uri listenUri) 
        {
            if (implementedContract == null) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("implementedContract"));
            } 
            if (!implementedContract.IsDefined(typeof(ServiceContractAttribute), false))
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.ServiceContractAttributeNotFound, new object[] { implementedContract.FullName })));
            } 
            if (this.reflectedContracts == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.ReflectedContractsNotInitialized, new object[] { implementedContract.FullName }))); 
            }
 
            if (!reflectedContracts.Contains(implementedContract))
            {
                if (ServiceMetadataBehavior.IsMetadataImplementedType(implementedContract))
                { 
                    if (!this.Description.Behaviors.Contains(
                        typeof(ServiceMetadataBehavior))) 
                    { 
                        throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.MetadataEndpointCannotBeAdded, new object[] { implementedContract.FullName })));
                    } 
                }
                else
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.ReflectedContractKeyNotFound, new object[] { implementedContract.FullName, this.workflowDefinitionContext.WorkflowName }))); 
                }
            } 
            ServiceEndpoint endpoint = base.AddServiceEndpoint(ContractDescription.GetContract(implementedContract).ConfigurationName, binding, address); 

            if (listenUri != null) 
            {
                listenUri = base.MakeAbsoluteUri(listenUri, binding);
                endpoint.ListenUri = listenUri;
            } 

            return endpoint; 
        } 

        [SuppressMessage("Microsoft.Design", "CA1021:AvoidOutParameters", MessageId = "0#", Justification = "This is defined by the ServiceHost base class")] 
        protected override ServiceDescription CreateDescription(out IDictionary implementedContracts)
        {
            Fx.Assert(this.workflowDefinitionContext != null, "Null Workflow Definition");
            return new DescriptionCreator(this.workflowDefinitionContext).BuildServiceDescription(out implementedContracts, out this.reflectedContracts); 
        }
 
        protected override void OnClosing() 
        {
            WorkflowRuntimeBehavior workflowRuntimeBehavior = this.Description.Behaviors.Find(); 

            if (workflowRuntimeBehavior != null)
            {
                workflowRuntimeBehavior.WorkflowRuntime.StopRuntime(); 
            }
            base.OnClosing(); 
        } 

        void InitializeDescription(WorkflowDefinitionContext workflowDefinitionContext, UriSchemeKeyedCollection baseAddresses) 
        {
            this.workflowDefinitionContext = workflowDefinitionContext;
            this.InitializeDescription(baseAddresses);
 
            if (!this.Description.Behaviors.Contains(typeof(WorkflowRuntimeBehavior)))
            { 
                this.Description.Behaviors.Add(new WorkflowRuntimeBehavior()); 
            }
        } 
    }
}

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

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