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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Activities.Runtime
{
using System;
using System.Activities.Hosting;
using System.Runtime;
using System.Runtime.Serialization;
[DataContract]
class BookmarkWorkItem : ActivityExecutionWorkItem
{
BookmarkCallbackWrapper callbackWrapper;
Bookmark bookmark;
object state;
public BookmarkWorkItem(ActivityExecutor executor, bool isExternal, BookmarkCallbackWrapper callbackWrapper, Bookmark bookmark, object value)
: this(callbackWrapper, bookmark, value)
{
if (isExternal)
{
executor.EnterNoPersist();
this.ExitNoPersistRequired = true;
}
}
// This ctor is only used by subclasses which make their own determination about no persist or not
protected BookmarkWorkItem(BookmarkCallbackWrapper callbackWrapper, Bookmark bookmark, object value)
: base(callbackWrapper.ActivityInstance)
{
this.callbackWrapper = callbackWrapper;
this.bookmark = bookmark;
this.state = value;
}
[DataMember(Name = "callbackWrapper")]
internal BookmarkCallbackWrapper SerializedCallbackWrapper
{
get { return this.callbackWrapper; }
set { this.callbackWrapper = value; }
}
[DataMember(Name = "bookmark")]
internal Bookmark SerializedBookmark
{
get { return this.bookmark; }
set { this.bookmark = value; }
}
[DataMember(EmitDefaultValue = false, Name = "state")]
internal object SerializedState
{
get { return this.state; }
set { this.state = value; }
}
public override void TraceCompleted()
{
if (TD.CompleteBookmarkWorkItemIsEnabled())
{
TD.CompleteBookmarkWorkItem(this.ActivityInstance.Activity.GetType().ToString(), this.ActivityInstance.Activity.DisplayName, this.ActivityInstance.Id, ActivityUtilities.GetTraceString(this.bookmark), ActivityUtilities.GetTraceString(this.bookmark.Scope));
}
}
public override void TraceScheduled()
{
if (TD.ScheduleBookmarkWorkItemIsEnabled())
{
TD.ScheduleBookmarkWorkItem(this.ActivityInstance.Activity.GetType().ToString(), this.ActivityInstance.Activity.DisplayName, this.ActivityInstance.Id, ActivityUtilities.GetTraceString(this.bookmark), ActivityUtilities.GetTraceString(this.bookmark.Scope));
}
}
public override void TraceStarting()
{
if (TD.StartBookmarkWorkItemIsEnabled())
{
TD.StartBookmarkWorkItem(this.ActivityInstance.Activity.GetType().ToString(), this.ActivityInstance.Activity.DisplayName, this.ActivityInstance.Id, ActivityUtilities.GetTraceString(this.bookmark), ActivityUtilities.GetTraceString(this.bookmark.Scope));
}
}
public override bool Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)
{
NativeActivityContext nativeContext = executor.NativeActivityContextPool.Acquire();
try
{
nativeContext.Initialize(this.ActivityInstance, executor, bookmarkManager);
this.callbackWrapper.Invoke(nativeContext, this.bookmark, this.state);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
this.ExceptionToPropagate = e;
}
finally
{
nativeContext.Dispose();
executor.NativeActivityContextPool.Release(nativeContext);
}
return true;
}
}
}
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