/// <summary>
/// Initialize the data context if necessary such as instantiating an Entity Framework DbContext or WCF Service Client etc.
/// </summary>
public virtual void InitializeDataContext(AppContextBase appContext)
{
this.AppContext = appContext;
this.Data = new T();
IAppContextAware appContextAwareDataContext = this.Data as IAppContextAware;
if (appContextAwareDataContext != null)
{
appContextAwareDataContext.InitializeFromAppContext(appContext);
}
}
/// <summary>
/// Initialize the app service. Throws an exception if the context has already been set.
/// </summary>
internal void InitializeAppService(AppContextBase appContext)
{
if (_appContext == null)
{
_appContext = appContext;
OnInitialize();
}
else
{
throw new InvalidOperationException("App service has already been initialized.");
}
}
/// <summary>
/// Initializes the class for use by an inherited class instance. This constructor can only be called by an inherited class.
/// </summary>
protected AppServicesBase(AppContextBase appContext)
{
InitializeAppService(appContext);
}