106 lines
4.6 KiB
C#
106 lines
4.6 KiB
C#
//----------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//----------------------------------------------------------------
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namespace System.Activities.Statements
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{
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Runtime;
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sealed class InternalConfirm : NativeActivity
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{
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public InternalConfirm()
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: base()
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{
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}
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public InArgument<CompensationToken> Target
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{
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get;
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set;
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}
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protected override bool CanInduceIdle
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{
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get
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{
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return true;
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}
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}
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protected override void CacheMetadata(NativeActivityMetadata metadata)
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{
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RuntimeArgument targetArgument = new RuntimeArgument("Target", typeof(CompensationToken), ArgumentDirection.In);
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metadata.Bind(this.Target, targetArgument);
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metadata.SetArgumentsCollection(new Collection<RuntimeArgument> { targetArgument });
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}
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protected override void Execute(NativeActivityContext context)
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{
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CompensationExtension compensationExtension = context.GetExtension<CompensationExtension>();
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Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
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CompensationToken compensationToken = Target.Get(context);
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Fx.Assert(compensationToken != null, "compensationToken must be valid");
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// The compensationToken should be a valid one at this point. Ensure its validated in Confirm activity.
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CompensationTokenData tokenData = compensationExtension.Get(compensationToken.CompensationId);
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Fx.Assert(tokenData != null, "The compensationToken should be a valid one at this point. Ensure its validated in Confirm activity.");
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Fx.Assert(tokenData.BookmarkTable[CompensationBookmarkName.Confirmed] == null, "Bookmark should not be already initialized in the bookmark table.");
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tokenData.BookmarkTable[CompensationBookmarkName.Confirmed] = context.CreateBookmark(new BookmarkCallback(OnConfirmed));
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tokenData.CompensationState = CompensationState.Confirming;
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compensationExtension.NotifyMessage(context, tokenData.CompensationId, CompensationBookmarkName.OnConfirmation);
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}
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// Successfully received Confirmed response.
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void OnConfirmed(NativeActivityContext context, Bookmark bookmark, object value)
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{
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CompensationExtension compensationExtension = context.GetExtension<CompensationExtension>();
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Fx.Assert(compensationExtension != null, "CompensationExtension must be valid");
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CompensationToken compensationToken = Target.Get(context);
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Fx.Assert(compensationToken != null, "compensationToken must be valid");
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// The compensationToken should be a valid one at this point. Ensure its validated in Confirm activity.
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CompensationTokenData tokenData = compensationExtension.Get(compensationToken.CompensationId);
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Fx.Assert(tokenData != null, "The compensationToken should be a valid one at this point. Ensure its validated in Confirm activity.");
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tokenData.CompensationState = CompensationState.Confirmed;
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if (TD.CompensationStateIsEnabled())
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{
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TD.CompensationState(tokenData.DisplayName, tokenData.CompensationState.ToString());
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}
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// Remove the token from the parent!
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if (tokenData.ParentCompensationId != CompensationToken.RootCompensationId)
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{
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CompensationTokenData parentToken = compensationExtension.Get(tokenData.ParentCompensationId);
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Fx.Assert(parentToken != null, "parentToken must be valid");
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parentToken.ExecutionTracker.Remove(tokenData);
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}
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else
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{
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// remove from workflow root...
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CompensationTokenData parentToken = compensationExtension.Get(CompensationToken.RootCompensationId);
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Fx.Assert(parentToken != null, "parentToken must be valid");
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parentToken.ExecutionTracker.Remove(tokenData);
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}
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tokenData.RemoveBookmark(context, CompensationBookmarkName.Confirmed);
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// Remove the token from the extension...
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compensationExtension.Remove(compensationToken.CompensationId);
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}
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protected override void Cancel(NativeActivityContext context)
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{
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// Suppress Cancel
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}
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}
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}
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