// // Creates a synchronized wrapper around the Hashtable.
// protected Hashtable data = null;
/// <summary>
/// Each command will execute its action in the constructor.
/// After execution, the command must reference itself in the
/// Web request context (so that the web site, and the user controls
/// can know which command just executed, and what data it holds).
/// </summary>
/// <param name="ctx"></param>
public AbstractWebAction(HttpContext ctx)
{
context = ctx;
singleton = WebLocalSingleton.GetInstance(context);
singleton.CurrentAction = this;
// data = Hashtable.Synchronized( _data );
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <remarks>Call it with HttpContext.Current.ApplicationInstance.Context.</remarks>
/// <returns></returns>
public static WebLocalSingleton GetInstance(HttpContext ctx)
{
WebLocalSingleton singleton = ctx.Items[WebConstants.SINGLETON_KEY] as WebLocalSingleton;
if (singleton == null)
{
lock (_synRoot)
{
if (singleton == null)
{
singleton = new WebLocalSingleton(ctx);
ctx.Items[WebConstants.SINGLETON_KEY] = singleton;
}
}
}
return(singleton);
}
