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