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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Activities
{
using System;
using System.Activities;
using System.Collections.Generic;
using System.Runtime.DurableInstancing;
using System.ServiceModel.Activities.Dispatcher;
using SR2 = System.ServiceModel.Activities.SR;
using System.ComponentModel;
using System.Windows.Markup;
using System.Runtime.Collections;
using System.Runtime;
[ContentProperty("CorrelationData")]
public sealed class InitializeCorrelation : NativeActivity
{
public InitializeCorrelation()
{
this.CorrelationData = new OrderedDictionary<string, InArgument<string>>();
}
[DefaultValue(null)]
public InArgument<CorrelationHandle> Correlation
{
get;
set;
}
public IDictionary<string, InArgument<string>> CorrelationData
{
get;
private set;
}
protected override void Execute(NativeActivityContext context)
{
CorrelationHandle correlationHandle = (this.Correlation == null) ? null : this.Correlation.Get(context);
if (correlationHandle == null)
{
//throw only if ambient correlation handle is also null
correlationHandle = context.Properties.Find(CorrelationHandle.StaticExecutionPropertyName) as CorrelationHandle;
if (correlationHandle == null)
{
throw FxTrace.Exception.AsError(
new InvalidOperationException(SR2.NullCorrelationHandleInInitializeCorrelation(this.DisplayName)));
}
}
CorrelationExtension extension = context.GetExtension<CorrelationExtension>();
if (extension != null)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
foreach ( KeyValuePair<string, InArgument<string>> pair in this.CorrelationData )
{
Fx.Assert(pair.Value != null, "pair.Value should be validated during cache metadata");
dictionary.Add(pair.Key, pair.Value.Get(context));
}
correlationHandle.InitializeBookmarkScope(context, extension.GenerateKey(dictionary));
}
else
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR2.InitializeCorrelationRequiresWorkflowServiceHost(this.DisplayName)));
}
}
}
}
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