/// <summary>
/// Handling exceptions.
/// </summary>
/// <param name="exception"></param>
/// <param name="context"></param>
/// <param name="deferred"></param>
private void DoHandle(System.Exception exception, IRepeatContext context, ICollection <System.Exception> deferred)
{
// An exception alone is not sufficient grounds for not continuing
System.Exception unwrappedException = UnwrapIfRethrown(exception);
try
{
for (int i = _listeners.Length; i-- > 0;)
{
IRepeatListener interceptor = _listeners[i];
// This is not an error - only log at debug level.
Logger.Debug(unwrappedException, "Exception intercepted ({0} of {1})", (i + 1), _listeners.Length);
interceptor.OnError(context, unwrappedException);
}
Logger.Debug("Handling exception: {0}, caused by: {1} : {2}",
exception.GetType().Name,
unwrappedException.GetType().Name,
unwrappedException.Message
);
_exceptionHandler.HandleException(context, unwrappedException);
}
catch (System.Exception handled)
{
deferred.Add(handled);
}
}
/// <summary>
/// Registers given listener.
/// </summary>
/// <param name="listener"></param>
public void RegisterListener(IRepeatListener listener)
{
List <IRepeatListener> list = new List <IRepeatListener>(_listeners)
{
listener
};
_listeners = list.ToArray();
}
/// <summary>
/// Convenience method to execute after interceptors on a callback result.
/// </summary>
/// <param name="context"></param>
/// <param name="value"></param>
protected void ExecuteAfterInterceptors(IRepeatContext context, RepeatStatus value)
{
// Don't re-throw exceptions here: let the exception handler deal with
// that...
if (value != null && value.IsContinuable())
{
for (int i = _listeners.Length; i-- > 0;)
{
IRepeatListener interceptor = _listeners[i];
interceptor.After(context, value);
}
}
}
/// <summary>
/// Registers array of listeners.
/// </summary>
/// <param name="listeners"></param>
public void SetListeners(IRepeatListener[] listeners)
{
_listeners = listeners.ToArray();
}
/// <summary>
/// Handling the finally from ExecuteInternal.
/// </summary>
/// <param name="deferred"></param>
/// <param name="listeners"></param>
/// <param name="context"></param>
private void HandleFinally(ICollection<System.Exception> deferred,IRepeatListener[] listeners,IRepeatContext context)
{
try
{
if (deferred.Any())
{
System.Exception exception = deferred.First();
Logger.Debug("Handling fatal exception explicitly (rethrowing first of {0}): {1} : {2}",
deferred.Count,
exception.GetType().Name,
exception.Message
);
Rethrow(exception);
}
}
finally
{
try
{
foreach (IRepeatListener interceptor in _listeners)
{
interceptor.Close(context);
}
}
finally
{
context.Close();
}
}
}
/// <summary>
/// Registers given listener.
/// </summary>
/// <param name="listener"></param>
public void RegisterListener(IRepeatListener listener)
{
List<IRepeatListener> list = new List<IRepeatListener>(_listeners) { listener };
_listeners = list.ToArray();
}