static OleTxTransactionHeader ReadFrom(XmlDictionaryReader reader)
{
WsatExtendedInformation info = null;
if (reader.IsStartElement(XD.OleTxTransactionExternalDictionary.OleTxTransaction,
XD.OleTxTransactionExternalDictionary.Namespace))
{
string identifier = reader.GetAttribute(XD.CoordinationExternalDictionary.Identifier, CoordinationNamespace);
if (!string.IsNullOrEmpty(identifier))
{
// Verify identifier is really a URI
Uri uri;
if (!Uri.TryCreate(identifier, UriKind.Absolute, out uri))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidWsatExtendedInfo)));
}
}
string attr = reader.GetAttribute(XD.CoordinationExternalDictionary.Expires, CoordinationNamespace);
uint timeout = 0;
if (!string.IsNullOrEmpty(attr))
{
try
{
timeout = XmlConvert.ToUInt32(attr);
}
catch (FormatException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Error);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidWsatExtendedInfo), e));
}
catch (OverflowException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Error);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidWsatExtendedInfo), e));
}
}
if (!string.IsNullOrEmpty(identifier) || timeout != 0)
{
info = new WsatExtendedInformation(identifier, timeout);
}
}
reader.ReadFullStartElement(XD.OleTxTransactionExternalDictionary.OleTxTransaction,
XD.OleTxTransactionExternalDictionary.Namespace);
byte[] propagationToken = ReadPropagationTokenElement(reader);
// Skip extensibility elements...
while (reader.IsStartElement())
{
reader.Skip();
}
reader.ReadEndElement();
return(new OleTxTransactionHeader(propagationToken, info));
}
public override Transaction UnmarshalTransaction()
{
Transaction tx;
if (WsatIncomingTransactionCache.Find(this.context.Identifier, out tx))
return tx;
tx = this.wsatProxy.UnmarshalTransaction(this);
// Cache extended information for subsequent marshal operations
WsatExtendedInformation info = new WsatExtendedInformation(context.Identifier, context.Expires);
info.TryCache(tx);
// Cache the unmarshalled transaction for subsequent unmarshal operations
WsatIncomingTransactionCache.Cache(this.context.Identifier, tx);
return tx;
}
public override Transaction UnmarshalTransaction()
{
Transaction tx;
if (WsatIncomingTransactionCache.Find(this.context.Identifier, out tx))
{
return(tx);
}
tx = this.wsatProxy.UnmarshalTransaction(this);
// Cache extended information for subsequent marshal operations
WsatExtendedInformation info = new WsatExtendedInformation(context.Identifier, context.Expires);
info.TryCache(tx);
// Cache the unmarshalled transaction for subsequent unmarshal operations
WsatIncomingTransactionCache.Cache(this.context.Identifier, tx);
return(tx);
}
public OleTxTransactionHeader(byte[] propagationToken, WsatExtendedInformation wsatInfo)
{
this.propagationToken = propagationToken;
this.wsatInfo = wsatInfo;
}
public OleTxTransactionHeader(byte[] propagationToken, WsatExtendedInformation wsatInfo)
{
this.propagationToken = propagationToken;
this.wsatInfo = wsatInfo;
}
static OleTxTransactionHeader ReadFrom(XmlDictionaryReader reader)
{
WsatExtendedInformation info = null;
if (reader.IsStartElement(XD.OleTxTransactionExternalDictionary.OleTxTransaction,
XD.OleTxTransactionExternalDictionary.Namespace))
{
string identifier = reader.GetAttribute(XD.CoordinationExternalDictionary.Identifier, CoordinationNamespace);
if (!string.IsNullOrEmpty(identifier))
{
// Verify identifier is really a URI
Uri uri;
if (!Uri.TryCreate(identifier, UriKind.Absolute, out uri))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidWsatExtendedInfo)));
}
}
string attr = reader.GetAttribute(XD.CoordinationExternalDictionary.Expires, CoordinationNamespace);
uint timeout = 0;
if (!string.IsNullOrEmpty(attr))
{
try
{
timeout = XmlConvert.ToUInt32(attr);
}
catch (FormatException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Error);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidWsatExtendedInfo), e));
}
catch (OverflowException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Error);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidWsatExtendedInfo), e));
}
}
if (!string.IsNullOrEmpty(identifier) || timeout != 0)
{
info = new WsatExtendedInformation(identifier, timeout);
}
}
reader.ReadFullStartElement(XD.OleTxTransactionExternalDictionary.OleTxTransaction,
XD.OleTxTransactionExternalDictionary.Namespace);
byte[] propagationToken = ReadPropagationTokenElement(reader);
// Skip extensibility elements...
while (reader.IsStartElement())
{
reader.Skip();
}
reader.ReadEndElement();
return new OleTxTransactionHeader(propagationToken, info);
}
