TransactionChannelFactory.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / TransactionChannelFactory.cs / 1 / TransactionChannelFactory.cs
                        
                        
                            //---------------------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{ 
    using System.ServiceModel;
    using System.ServiceModel.Description; 
    using System.Collections.Generic; 
    using System.Transactions;
    using System.ServiceModel.Transactions; 
    using System.ServiceModel.Security;
    using SR=System.ServiceModel.SR;

    sealed class TransactionChannelFactory : LayeredChannelFactory, ITransactionChannelManager 
    {
        TransactionFlowOption flowIssuedTokens; 
        SecurityStandardsManager standardsManager; 
        Dictionary dictionary;
        TransactionProtocol transactionProtocol; 

        public TransactionChannelFactory(
            TransactionProtocol transactionProtocol,
            BindingContext context, 
            Dictionary dictionary)
            : base(context.Binding, context.BuildInnerChannelFactory()) 
        { 
            this.dictionary = dictionary;
            this.TransactionProtocol = transactionProtocol; 

            this.standardsManager = SecurityStandardsHelper.CreateStandardsManager(this.TransactionProtocol);
        }
 
        public TransactionProtocol TransactionProtocol
        { 
            get 
            {
                return this.transactionProtocol; 
            }
            set
            {
                if (!TransactionProtocol.IsDefined(value)) 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
                        new ArgumentException(SR.GetString(SR.SFxBadTransactionProtocols))); 
                this.transactionProtocol = value; 
            }
        } 

        public TransactionFlowOption FlowIssuedTokens
        {
            get { return this.flowIssuedTokens; } 
            set { this.flowIssuedTokens = value; }
        } 
 
        public SecurityStandardsManager StandardsManager
        { 
            get { return this.standardsManager; }
            set
            {
                this.standardsManager = (value != null ? value : SecurityStandardsHelper.CreateStandardsManager(this.transactionProtocol)); 
            }
        } 
 
        public IDictionary Dictionary
        { 
            get { return this.dictionary; }
        }

        public TransactionFlowOption GetTransaction(MessageDirection direction, string action) 
        {
            TransactionFlowOption txOption; 
            if (!dictionary.TryGetValue(new DirectionalAction(direction, action), out txOption)) 
                return TransactionFlowOption.NotAllowed;
            else 
                return txOption;
        }

        protected override TChannel OnCreateChannel(EndpointAddress remoteAddress, Uri via) 
        {
            TChannel innerChannel = ((IChannelFactory)InnerChannelFactory).CreateChannel(remoteAddress, via); 
            return CreateTransactionChannel(innerChannel); 
        }
 
        TChannel CreateTransactionChannel(TChannel innerChannel)
        {
            if (typeof(TChannel) == typeof(IDuplexSessionChannel))
            { 
                return (TChannel)(object) new TransactionDuplexSessionChannel(this, (IDuplexSessionChannel)(object)innerChannel);
            } 
            else if (typeof(TChannel) == typeof(IRequestSessionChannel)) 
            {
                return (TChannel)(object) new TransactionRequestSessionChannel(this, (IRequestSessionChannel)(object)innerChannel); 
            }
            else if (typeof(TChannel) == typeof(IOutputSessionChannel))
            {
                return (TChannel)(object) new TransactionOutputSessionChannel(this, (IOutputSessionChannel)(object)innerChannel); 
            }
            else if (typeof(TChannel) == typeof(IOutputChannel)) 
            { 
                return (TChannel)(object) new TransactionOutputChannel(this, (IOutputChannel)(object)innerChannel);
            } 
            else if (typeof(TChannel) == typeof(IRequestChannel))
            {
                return (TChannel)(object) new TransactionRequestChannel(this, (IRequestChannel)(object)innerChannel);
            } 
            else if (typeof(TChannel) == typeof(IDuplexChannel))
            { 
                return (TChannel)(object) new TransactionDuplexChannel(this, (IDuplexChannel)(object)innerChannel); 
            }
            else 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreateChannelTypeNotSupportedException(typeof(TChannel)));
            }
        } 

//=========================================================== 
//                Transaction Output Channel classes 
//===========================================================
 
        sealed class TransactionOutputChannel : TransactionOutputChannelGeneric
        {
            public TransactionOutputChannel(ChannelManagerBase channelManager, IOutputChannel innerChannel)
                : base(channelManager, innerChannel) 
            {
            } 
        } 

        sealed class TransactionRequestChannel : TransactionRequestChannelGeneric 
        {
            public TransactionRequestChannel(ChannelManagerBase channelManager, IRequestChannel innerChannel)
                : base(channelManager, innerChannel)
            { 
            }
 
        } 

        sealed class TransactionDuplexChannel : TransactionOutputDuplexChannelGeneric 
        {
            public TransactionDuplexChannel(ChannelManagerBase channelManager, IDuplexChannel innerChannel)
                : base(channelManager, innerChannel)
            { 
            }
        } 
 
        sealed class TransactionOutputSessionChannel : TransactionOutputChannelGeneric, IOutputSessionChannel
        { 
            public TransactionOutputSessionChannel(ChannelManagerBase channelManager, IOutputSessionChannel innerChannel)
                : base(channelManager, innerChannel)
            {
            } 

            public IOutputSession Session { get { return InnerChannel.Session; } } 
 
        }
 
        sealed class TransactionRequestSessionChannel : TransactionRequestChannelGeneric, IRequestSessionChannel
        {
            public TransactionRequestSessionChannel(ChannelManagerBase channelManager, IRequestSessionChannel innerChannel)
                : base(channelManager, innerChannel) 
            {
            } 
 
            public IOutputSession Session { get { return InnerChannel.Session; } }
 
        }

        sealed class TransactionDuplexSessionChannel : TransactionOutputDuplexChannelGeneric, IDuplexSessionChannel
        { 
            public TransactionDuplexSessionChannel(ChannelManagerBase channelManager, IDuplexSessionChannel innerChannel)
                : base(channelManager, innerChannel) 
            { 
            }
 
            public IDuplexSession Session { get { return InnerChannel.Session; } }
        }
    }
 
    static class SecurityStandardsHelper
    { 
        static SecurityStandardsManager SecurityStandardsManager2007 = 
            CreateStandardsManager(MessageSecurityVersion.WSSecurity11WSTrust13WSSecureConversation13WSSecurityPolicy12);
 
        static SecurityStandardsManager CreateStandardsManager(MessageSecurityVersion securityVersion)
        {
            return new SecurityStandardsManager(
                securityVersion, 
                new WSSecurityTokenSerializer(securityVersion.SecurityVersion, securityVersion.TrustVersion, securityVersion.SecureConversationVersion, false, null, null, null));
        } 
 
        public static SecurityStandardsManager CreateStandardsManager(TransactionProtocol transactionProtocol)
        { 
            if (transactionProtocol == TransactionProtocol.WSAtomicTransactionOctober2004 ||
                transactionProtocol == TransactionProtocol.OleTransactions)
            {
                return SecurityStandardsManager.DefaultInstance; 
            }
            else 
            { 
                return SecurityStandardsHelper.SecurityStandardsManager2007;
            } 
        }
    }

//============================================================== 
//                Transaction channel base generic classes
//============================================================= 
 
    class TransactionOutputChannelGeneric : TransactionChannel, IOutputChannel
        where TChannel : class, IOutputChannel 
    {
        public TransactionOutputChannelGeneric(ChannelManagerBase channelManager, TChannel innerChannel)
            : base(channelManager, innerChannel)
        { 
        }
 
        public EndpointAddress RemoteAddress 
        {
            get 
            {
                return InnerChannel.RemoteAddress;
            }
        } 

        public Uri Via 
        { 
            get
            { 
                return InnerChannel.Via;
            }
        }
 
        public IAsyncResult BeginSend(Message message, AsyncCallback callback, object state)
        { 
            return this.BeginSend(message, this.DefaultSendTimeout, callback, state); 
        }
 
        public IAsyncResult BeginSend(Message message, TimeSpan timeout, AsyncCallback asyncCallback, object state)
        {
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            WriteTransactionDataToMessage(message, MessageDirection.Input); 
            return InnerChannel.BeginSend(message, timeoutHelper.RemainingTime(), asyncCallback, state);
 
        } 

        public void EndSend(IAsyncResult result) 
        {
            InnerChannel.EndSend(result);
        }
 
        public void Send(Message message)
        { 
            this.Send(message, this.DefaultSendTimeout); 
        }
 
        public void Send(Message message, TimeSpan timeout)
        {
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            WriteTransactionDataToMessage(message, MessageDirection.Input); 
            InnerChannel.Send(message, timeoutHelper.RemainingTime());
        } 
    } 

 

    class TransactionRequestChannelGeneric : TransactionChannel, IRequestChannel
        where TChannel : class, IRequestChannel
    { 
        public TransactionRequestChannelGeneric(ChannelManagerBase channelManager, TChannel innerChannel)
            : base(channelManager, innerChannel) 
        { 
        }
 
        public EndpointAddress RemoteAddress
        {
            get
            { 
                return InnerChannel.RemoteAddress;
            } 
        } 

        public Uri Via 
        {
            get
            {
                return InnerChannel.Via; 
            }
        } 
 
        public IAsyncResult BeginRequest(Message message, AsyncCallback callback, object state)
        { 
            return this.BeginRequest(message, this.DefaultSendTimeout, callback, state);
        }

        public IAsyncResult BeginRequest(Message message, TimeSpan timeout, AsyncCallback asyncCallback, object state) 
        {
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout); 
            WriteTransactionDataToMessage(message, MessageDirection.Input); 
            return InnerChannel.BeginRequest(message, timeoutHelper.RemainingTime(), asyncCallback, state);
        } 

        public Message EndRequest(IAsyncResult result)
        {
            Message reply = InnerChannel.EndRequest(result); 
            if (reply != null)
                this.ReadIssuedTokens(reply, MessageDirection.Output); 
            return reply; 
        }
 
        public Message Request(Message message)
        {
            return this.Request(message, this.DefaultSendTimeout);
        } 

        public Message Request(Message message, TimeSpan timeout) 
        { 
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            WriteTransactionDataToMessage(message, MessageDirection.Input); 
            Message reply = InnerChannel.Request(message, timeoutHelper.RemainingTime());
            if (reply != null)
                this.ReadIssuedTokens(reply, MessageDirection.Output);
            return reply; 
        }
    } 
 
    class TransactionOutputDuplexChannelGeneric : TransactionDuplexChannelGeneric
        where TChannel : class, IDuplexChannel 
    {
        public TransactionOutputDuplexChannelGeneric(ChannelManagerBase channelManager, TChannel innerChannel)
            : base(channelManager, innerChannel, MessageDirection.Output)
        { 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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