/// <summary>
/// Retrieve a value from the backing store associated with this Lifetime policy.
/// </summary>
/// <returns>The object desired, or null if no such object is currently stored.</returns>
public override object GetValue()
{
object result = null;
//Get object depending on execution environment ( WCF without HttpContext,HttpContext or CallContext)
if (OperationContext.Current != null)
{
//WCF without HttpContext environment
ContainerExtension containerExtension = OperationContext.Current.Extensions.Find <ContainerExtension>();
if (containerExtension != null)
{
result = containerExtension.Value;
}
}
else if (HttpContext.Current != null)
{
//HttpContext avaiable ( ASP.NET ..)
if (HttpContext.Current.Items[key.ToString()] != null)
{
result = HttpContext.Current.Items[key.ToString()];
}
}
else
{
//Not in WCF or ASP.NET Environment, UnitTesting, WinForms, WPF etc.
result = CallContext.GetData(key.ToString());
}
return(result);
}
/// <summary>
/// Remove the given object from backing store.
/// </summary>
public override void RemoveValue()
{
if (OperationContext.Current != null)
{
//WCF without HttpContext environment
ContainerExtension containerExtension = OperationContext.Current.Extensions.Find <ContainerExtension>();
if (containerExtension != null)
{
object obj = containerExtension.Value;
if (obj is IDisposable)
{
(obj as IDisposable).Dispose();
}
OperationContext.Current.Extensions.Remove(containerExtension);
}
}
else if (HttpContext.Current != null)
{
//HttpContext avaiable ( ASP.NET ..)
if (HttpContext.Current.Items[key.ToString()] != null)
{
if (HttpContext.Current.Items[key.ToString()] is IDisposable)
{
(HttpContext.Current.Items[key.ToString()] as IDisposable).Dispose();
}
HttpContext.Current.Items[key.ToString()] = null;
}
}
else
{
//Not in WCF or ASP.NET Environment, UnitTesting, WinForms, WPF etc.
CallContext.FreeNamedDataSlot(key.ToString());
}
}
/// <summary>
/// Stores the given value into backing store for retrieval later.
/// </summary>
/// <param name="newValue">The object being stored.</param>
public override void SetValue(object newValue)
{
if (OperationContext.Current != null)
{
//WCF without HttpContext environment
ContainerExtension containerExtension = OperationContext.Current.Extensions.Find <ContainerExtension>();
if (containerExtension == null)
{
containerExtension = new ContainerExtension()
{
Value = newValue
};
OperationContext.Current.Extensions.Add(containerExtension);
}
}
else if (HttpContext.Current != null)
{
//HttpContext avaiable ( ASP.NET ..)
if (HttpContext.Current.Items[key.ToString()] == null)
{
HttpContext.Current.Items[key.ToString()] = newValue;
}
}
else
{
//Not in WCF or ASP.NET Environment, UnitTesting, WinForms, WPF etc.
CallContext.SetData(key.ToString(), newValue);
}
}
