SendParametersContent.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / System.ServiceModel.Activities / System / ServiceModel / Activities / SendParametersContent.cs / 1305376 / SendParametersContent.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Activities 
{
    using System.Activities; 
    using System.Collections.Generic; 
    using System.Collections.ObjectModel;
    using System.Runtime; 
    using System.Runtime.Collections;
    using System.ServiceModel.Description;
    using System.Windows.Markup;
 
    [ContentProperty("Parameters")]
    public sealed class SendParametersContent : SendContent 
    { 
        string[] argumentNames;
        Type[] argumentTypes; 

        public SendParametersContent()
            : base()
        { 
            this.Parameters = new OrderedDictionary();
        } 
 
        public SendParametersContent(IDictionary parameters)
            : base() 
        {
            if (parameters == null)
            {
                throw FxTrace.Exception.ArgumentNull("parameters"); 
            }
 
            this.Parameters = new OrderedDictionary(parameters); 
        }
 
        public IDictionary Parameters
        {
            get;
            private set; 
        }
 
        internal string[] ArgumentNames 
        {
            get 
            {
                if (this.argumentNames == null)
                {
                    ShredParameters(); 
                }
                return this.argumentNames; 
            } 
        }
 
        internal Type[] ArgumentTypes
        {
            get
            { 
                if (this.argumentTypes == null)
                { 
                    ShredParameters(); 
                }
                return this.argumentTypes; 
            }
        }

 
        internal override bool IsFault
        { 
            get 
            {
                if (this.ArgumentTypes.Length == 1) 
                {
                    return ContractInferenceHelper.ExceptionType.IsAssignableFrom(this.ArgumentTypes[0]);
                }
                else 
                {
                    return false; 
                } 
            }
        } 

        void ShredParameters()
        {
            // Turn Dictionary into ordered Argument arrays 
            int argumentCount = this.Parameters.Count;
            this.argumentNames = new string[argumentCount]; 
            this.argumentTypes = new Type[argumentCount]; 

            int index = 0; 
            foreach (KeyValuePair pair in this.Parameters)
            {
                this.argumentNames[index] = pair.Key;
                this.argumentTypes[index] = pair.Value.ArgumentType; 
                index++;
            } 
        } 

        internal override void CacheMetadata(ActivityMetadata metadata, Activity owner, string operationName) 
        {
            // force a shred for every CacheMetadata call
            ShredParameters();
 
            int index = 0;
            foreach (Type argumentType in this.argumentTypes) 
            { 
                if (argumentType == null || argumentType == TypeHelper.VoidType)
                { 
                    metadata.AddValidationError(SR.ArgumentCannotHaveNullOrVoidType(owner.DisplayName, argumentNames[index]));
                }
                if (argumentType == MessageDescription.TypeOfUntypedMessage || MessageBuilder.IsMessageContract(argumentType))
                { 
                    metadata.AddValidationError(SR.SendParametersContentDoesNotSupportMessage(owner.DisplayName, argumentNames[index]));
                } 
                index++; 
            }
 
            if (!metadata.HasViolations)
            {
                foreach (KeyValuePair pair in this.Parameters)
                { 
                    RuntimeArgument newRuntimeArgument = new RuntimeArgument(pair.Key, pair.Value.ArgumentType, ArgumentDirection.In);
                    metadata.Bind(pair.Value, newRuntimeArgument); 
                    metadata.AddArgument(newRuntimeArgument); 
                }
            } 
        }

        internal override void ConfigureInternalSend(InternalSendMessage internalSendMessage, out ToRequest requestFormatter)
        { 
            //Zero or more arguments
            requestFormatter = new ToRequest(); 
 
            foreach (KeyValuePair parameter in this.Parameters)
            { 
                requestFormatter.Parameters.Add(InArgument.CreateReference(parameter.Value, parameter.Key));
            }
        }
 
        internal override void ConfigureInternalSendReply(InternalSendMessage internalSendMessage, out ToReply responseFormatter)
        { 
            responseFormatter = new ToReply(); 

            foreach (KeyValuePair parameter in this.Parameters) 
            {
                responseFormatter.Parameters.Add(InArgument.CreateReference(parameter.Value, parameter.Key));
            }
        } 

        internal override void InferMessageDescription(OperationDescription operation, object owner, MessageDirection direction) 
        { 
            ContractInferenceHelper.CheckForDisposableParameters(operation, this.ArgumentTypes);
 
            string overridingAction = owner is Send ? ((Send)owner).Action : ((SendReply)owner).Action;

            if (direction == MessageDirection.Input)
            { 
                ContractInferenceHelper.AddInputMessage(operation, overridingAction, this.ArgumentNames, this.ArgumentTypes);
            } 
            else 
            {
                ContractInferenceHelper.AddOutputMessage(operation, overridingAction, this.ArgumentNames, this.ArgumentTypes); 
            }
        }
    }
} 

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

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