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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System;
using System.Collections.Generic;
using System.ServiceModel;
using System.ServiceModel.Security;
using System.Transactions;
using System.Runtime.Remoting.Messaging;
using System.ServiceModel.Transactions;
using System.ServiceModel.Diagnostics;
sealed public class TransactionMessageProperty
{
TransactionInfo flowedTransactionInfo;
Transaction flowedTransaction;
const string PropertyName = "TransactionMessageProperty";
private TransactionMessageProperty()
{
}
public Transaction Transaction
{
get
{
if (this.flowedTransaction == null && this.flowedTransactionInfo != null)
{
try
{
this.flowedTransaction = this.flowedTransactionInfo.UnmarshalTransaction();
}
catch (TransactionException e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(e);
}
}
return this.flowedTransaction;
}
}
static internal TransactionMessageProperty TryGet(Message message)
{
if (message.Properties.ContainsKey(PropertyName))
return message.Properties[PropertyName] as TransactionMessageProperty;
else
return null;
}
static internal Transaction TryGetTransaction(Message message)
{
if (!message.Properties.ContainsKey(PropertyName))
return null;
return ((TransactionMessageProperty)message.Properties[PropertyName]).Transaction;
}
static TransactionMessageProperty GetPropertyAndThrowIfAlreadySet(Message message)
{
if (message.Properties.ContainsKey(PropertyName))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new FaultException(SR.GetString(SR.SFxTryAddMultipleTransactionsOnMessage)));
}
return new TransactionMessageProperty();
}
static public void Set(Transaction transaction, Message message)
{
TransactionMessageProperty property = GetPropertyAndThrowIfAlreadySet(message);
property.flowedTransaction = transaction;
message.Properties.Add(PropertyName, property);
}
static internal void Set(TransactionInfo transactionInfo, Message message)
{
TransactionMessageProperty property = GetPropertyAndThrowIfAlreadySet(message);
property.flowedTransactionInfo = transactionInfo;
message.Properties.Add(PropertyName, property);
}
}
class TransactionFlowProperty
{
Transaction flowedTransaction;
List<RequestSecurityTokenResponse> issuedTokens;
const string PropertyName = "TransactionFlowProperty";
private TransactionFlowProperty()
{
}
internal ICollection<RequestSecurityTokenResponse> IssuedTokens
{
get
{
if (this.issuedTokens == null)
{
this.issuedTokens = new List<RequestSecurityTokenResponse>();
}
return this.issuedTokens;
}
}
internal Transaction Transaction
{
get { return this.flowedTransaction; }
}
static internal TransactionFlowProperty Ensure(Message message)
{
if (message.Properties.ContainsKey(PropertyName))
return (TransactionFlowProperty)message.Properties[PropertyName];
TransactionFlowProperty property = new TransactionFlowProperty();
message.Properties.Add(PropertyName, property);
return property;
}
static internal TransactionFlowProperty TryGet(Message message)
{
if (message.Properties.ContainsKey(PropertyName))
return message.Properties[PropertyName] as TransactionFlowProperty;
else
return null;
}
static internal ICollection<RequestSecurityTokenResponse> TryGetIssuedTokens(Message message)
{
TransactionFlowProperty property = TransactionFlowProperty.TryGet(message);
if (property == null)
return null;
// use this when reading only, consistently return null if no tokens.
if (property.issuedTokens == null || property.issuedTokens.Count == 0)
return null;
return property.issuedTokens;
}
static internal Transaction TryGetTransaction(Message message)
{
if (!message.Properties.ContainsKey(PropertyName))
return null;
return ((TransactionFlowProperty)message.Properties[PropertyName]).Transaction;
}
static TransactionFlowProperty GetPropertyAndThrowIfAlreadySet(Message message)
{
TransactionFlowProperty property = TryGet(message);
if (property != null)
{
if (property.flowedTransaction != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FaultException(SR.GetString(SR.SFxTryAddMultipleTransactionsOnMessage)));
}
}
else
{
property = new TransactionFlowProperty();
}
return property;
}
static internal void Set(Transaction transaction, Message message)
{
TransactionFlowProperty property = GetPropertyAndThrowIfAlreadySet(message);
property.flowedTransaction = transaction;
message.Properties.Add(PropertyName, property);
}
}
}
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