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//----------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------
namespace System.ServiceModel.Activities
{
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Runtime;
using System.Workflow.Activities;
class WorkflowRuntimeServicesExtensionProvider
{
Dictionary<Type, object> services;
public WorkflowRuntimeServicesExtensionProvider()
{
this.services = new Dictionary<Type, object>();
}
public void AddService(object service)
{
Fx.Assert(service != null, "This should have been checked by our caller.");
this.services.Add(service.GetType(), service);
}
public void RemoveService(object service)
{
Fx.Assert(service != null, "This should have been checked by our caller.");
this.services.Remove(service.GetType());
}
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.AptcaMethodsShouldOnlyCallAptcaMethods, Justification = "APTCA related issues are not relevant because this code path is not supported in partial trust.")]
public object GetService(Type serviceType)
{
object service;
if (!this.services.TryGetValue(serviceType, out service))
{
object dataExchangeService;
if (this.services.TryGetValue(typeof(ExternalDataExchangeService), out dataExchangeService))
{
Fx.Assert(dataExchangeService is ExternalDataExchangeService, "Something went wrong with our housekeeping.");
service = ((ExternalDataExchangeService)dataExchangeService).GetService(serviceType);
}
}
return service;
}
public T GetService<T>()
{
return (T)GetService(typeof(T));
}
internal void PopulateExtensions(WorkflowServiceHost host, string baseUri)
{
Fx.Assert(host != null, "WorkflowServiceHost parameter was null");
foreach (object service in this.services.Values)
{
host.WorkflowExtensions.Add(service);
ExternalDataExchangeService dataExchangeService = service as ExternalDataExchangeService;
if (dataExchangeService != null)
{
dataExchangeService.SetEnqueueMessageWrapper(new WorkflowClientDeliverMessageWrapper(baseUri));
foreach (object innerService in dataExchangeService.GetAllServices())
{
host.WorkflowExtensions.Add(innerService);
}
}
}
}
}
}
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