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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Persistence
{
using System;
using System.ServiceModel.Channels;
[Obsolete("The WF3 types are deprecated. Instead, please use the new WF4 types from System.Activities.*")]
public abstract class PersistenceProvider : CommunicationObject
{
internal static readonly TimeSpan DefaultOpenClosePersistenceTimout = TimeSpan.FromSeconds(15);
Guid id;
protected PersistenceProvider(Guid id)
{
this.id = id;
}
public Guid Id
{
get
{
return this.id;
}
}
public abstract IAsyncResult BeginCreate(object instance, TimeSpan timeout, AsyncCallback callback, object state);
public abstract IAsyncResult BeginDelete(object instance, TimeSpan timeout, AsyncCallback callback, object state);
public abstract IAsyncResult BeginLoad(TimeSpan timeout, AsyncCallback callback, object state);
public virtual IAsyncResult BeginLoadIfChanged(TimeSpan timeout, object instanceToken, AsyncCallback callback, object state)
{
return this.BeginLoad(timeout, callback, state);
}
public abstract IAsyncResult BeginUpdate(object instance, TimeSpan timeout, AsyncCallback callback, object state);
public abstract object Create(object instance, TimeSpan timeout);
public abstract void Delete(object instance, TimeSpan timeout);
public abstract object EndCreate(IAsyncResult result);
public abstract void EndDelete(IAsyncResult result);
public abstract object EndLoad(IAsyncResult result);
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1021")]
public virtual bool EndLoadIfChanged(IAsyncResult result, out object instance)
{
instance = this.EndLoad(result);
return true;
}
public abstract object EndUpdate(IAsyncResult result);
public abstract object Load(TimeSpan timeout);
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1021")]
public virtual bool LoadIfChanged(TimeSpan timeout, object instanceToken, out object instance)
{
instance = this.Load(timeout);
return true;
}
public abstract object Update(object instance, TimeSpan timeout);
}
}
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