/// <summary>
/// Executes an operation on the current thread (assuming the current thread is a background thread),
/// but marshalls any exceptions back to the UI thread for you.
/// </summary>
/// <param name="backgroundThreadCallback">A code block to execute on the background thread.</param>
public void ExecuteOnCurrentThreadWithExceptionsOnUIThread(Action backgroundThreadCallback)
{
try
{
backgroundThreadCallback();
}
catch (Exception ex)
{
TraceSources.MagellanSource.TraceError("Exeption thrown on worker thread: " + ex);
var rethrower = new Rethrower("An unexpected error occurred when executing a background operation.", ex);
Dispatch(rethrower.Rethrow);
}
}
public void TestInit()
{
appDomain = AppDomain.CreateDomain("Test App Domain", null, null);
// load all required assemblies:
var a1 = appDomain.Load(typeof(JSonReaderException).Assembly.GetName());
var a2 = appDomain.Load(typeof(BayeuxException).Assembly.GetName());
var a3 = appDomain.Load(typeof(ServiceCreationException).Assembly.GetName());
Assert.IsNotNull(a1);
Assert.IsNotNull(a2);
Assert.IsNotNull(a3);
thrower = (Rethrower)appDomain.CreateInstanceFromAndUnwrap(Assembly.GetExecutingAssembly().GetName().CodeBase, typeof(Rethrower).FullName);
}
/// <summary>
/// Executes the action on the specified controller.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionName">Name of the action.</param>
/// <param name="modelBinders">The model binders.</param>
public override void ExecuteAction(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
var dispatcher = controllerContext.Request.Navigator.Dispatcher;
ThreadPool.QueueUserWorkItem(
delegate
{
Thread.CurrentThread.Name = string.Format("Navigation request: {0}", controllerContext.Request);
try
{
ExecuteBase(controllerContext, actionName, modelBinders);
}
catch (Exception ex)
{
var rethrower = new Rethrower(
string.Format("An exception occurred when attempting to asynchronously execute the request '{0}'. {1}", controllerContext.Request, ex.Message),
ex);
dispatcher.Dispatch(rethrower.RethrowOnDispatchThread);
}
});
}
/// <summary>
/// Executes the action on the specified controller.
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <param name="actionName">Name of the action.</param>
/// <param name="modelBinders">The model binders.</param>
public override void ExecuteAction(ControllerContext controllerContext, string actionName, ModelBinderDictionary modelBinders)
{
var dispatcher = controllerContext.Request.Navigator.Dispatcher;
ThreadPool.QueueUserWorkItem(
delegate
{
Thread.CurrentThread.Name = string.Format("Navigation request: {0}", controllerContext.Request);
try
{
ExecuteBase(controllerContext, actionName, modelBinders);
}
catch (Exception ex)
{
var rethrower = new Rethrower(
string.Format("An exception occurred when attempting to asynchronously execute the request '{0}'. {1}", controllerContext.Request, ex.Message),
ex);
dispatcher.Dispatch(rethrower.RethrowOnDispatchThread);
}
});
}
