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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System;
using System.ServiceModel.Description;
[Obsolete("The WF3 types are deprecated. Instead, please use the new WF4 types from System.Activities.*")]
public static class DurableOperationContext
{
public static Guid InstanceId
{
get
{
ServiceDurableInstance durableInstance = GetInstanceContextExtension();
return durableInstance.InstanceId;
}
}
public static void AbortInstance()
{
ServiceDurableInstance durableInstance = GetInstanceContextExtension();
durableInstance.AbortInstance();
}
public static void CompleteInstance()
{
ServiceDurableInstance durableInstance = GetInstanceContextExtension();
durableInstance.MarkForCompletion();
}
internal static void BeginOperation()
{
OperationContext operationContext = OperationContext.Current;
if (operationContext != null)
{
operationContext.Extensions.Add(new DurableOperationContext.IsInOperation());
}
}
internal static void EndOperation()
{
OperationContext operationContext = OperationContext.Current;
if (operationContext != null)
{
DurableOperationContext.IsInOperation isInOperation = operationContext.Extensions.Find<DurableOperationContext.IsInOperation>();
if (isInOperation != null)
{
operationContext.Extensions.Remove(isInOperation);
}
}
}
static ServiceDurableInstance GetInstanceContextExtension()
{
OperationContext operationContext = OperationContext.Current;
if (operationContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.OnlyCallableFromServiceOperation,
typeof(DurableOperationContext).Name)));
}
IsInOperation isInOperation = operationContext.Extensions.Find<IsInOperation>();
if (isInOperation == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.OnlyCallableWhileInOperation,
typeof(DurableOperationContext).Name)));
}
InstanceContext currentInstanceContext = operationContext.InstanceContext;
if (currentInstanceContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.OnlyCallableFromServiceOperation,
typeof(DurableOperationContext).Name)));
}
ServiceDurableInstance durableInstance =
currentInstanceContext.Extensions.Find<ServiceDurableInstance>();
if (durableInstance == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.OnlyCallableFromDurableService,
typeof(DurableOperationContext).Name,
typeof(DurableServiceAttribute).Name)));
}
return durableInstance;
}
class IsInOperation : IExtension<OperationContext>
{
public void Attach(OperationContext owner)
{
}
public void Detach(OperationContext owner)
{
}
}
}
}
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