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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System.Runtime;
using System.ServiceModel.Channels;
using System.ServiceModel.Persistence;
abstract class DurableInstance : CommunicationObject, IExtension<InstanceContext>
{
DurableInstanceContextProvider instanceContextProvider;
Guid instanceId;
protected DurableInstance(DurableInstanceContextProvider instanceContextProvider, Guid instanceId)
{
if (instanceContextProvider == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("instanceContextProvider");
}
this.instanceId = instanceId;
this.instanceContextProvider = instanceContextProvider;
}
public Guid InstanceId
{
get
{
return this.instanceId;
}
}
protected override TimeSpan DefaultCloseTimeout
{
get { return PersistenceProvider.DefaultOpenClosePersistenceTimout; }
}
protected override TimeSpan DefaultOpenTimeout
{
get { return PersistenceProvider.DefaultOpenClosePersistenceTimout; }
}
public void DecrementActivityCount()
{
instanceContextProvider.DecrementActivityCount(this.instanceId);
}
void IExtension<InstanceContext>.Attach(InstanceContext owner)
{
}
void IExtension<InstanceContext>.Detach(InstanceContext owner)
{
}
protected override void OnAbort()
{
}
protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
{
return new CompletedAsyncResult(callback, state);
}
protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
{
return new CompletedAsyncResult(callback, state);
}
protected override void OnClose(TimeSpan timeout)
{
}
protected override void OnEndClose(IAsyncResult result)
{
CompletedAsyncResult.End(result);
}
protected override void OnEndOpen(IAsyncResult result)
{
CompletedAsyncResult.End(result);
}
protected override void OnOpen(TimeSpan timeout)
{
}
}
}
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