58 lines
1.7 KiB
C#
58 lines
1.7 KiB
C#
|
//-----------------------------------------------------------------------------
|
|||
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|||
|
|
//-----------------------------------------------------------------------------
|
|||
|
|
|
|||
|
|
namespace System.ServiceModel.Activities
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
using System;
|
|||
|
|
using System.Activities.Statements;
|
|||
|
|
using System.Activities;
|
|||
|
|
using System.Collections.ObjectModel;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Windows.Markup;
|
|||
|
|
using System.ComponentModel;
|
|||
|
|
|
|||
|
|
[ContentProperty("Body")]
|
|||
|
|
class MessagingNoPersistScope : NativeActivity
|
|||
|
|
{
|
|||
|
|
Variable<NoPersistHandle> noPersistHandle;
|
|||
|
|
|
|||
|
|
public MessagingNoPersistScope()
|
|||
|
|
{
|
|||
|
|
this.noPersistHandle = new Variable<NoPersistHandle>();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
[DefaultValue(null)]
|
|||
|
|
public Activity Body
|
|||
|
|
{
|
|||
|
|
get;
|
|||
|
|
set;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override void CacheMetadata(NativeActivityMetadata metadata)
|
|||
|
|
{
|
|||
|
|
metadata.AddChild(this.Body);
|
|||
|
|
metadata.AddImplementationVariable(this.noPersistHandle);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override void Execute(NativeActivityContext context)
|
|||
|
|
{
|
|||
|
|
if (this.Body != null)
|
|||
|
|
{
|
|||
|
|
if (this.DisallowPersistence(context))
|
|||
|
|
{
|
|||
|
|
NoPersistHandle handle = this.noPersistHandle.Get(context);
|
|||
|
|
handle.Enter(context);
|
|||
|
|
}
|
|||
|
|
context.ScheduleActivity(this.Body);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool DisallowPersistence(NativeActivityContext context)
|
|||
|
|
{
|
|||
|
|
return context.GetExtension<SendReceiveExtension>() == null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|