private static void Exect(this IStreamExectContext context, long id, Action <long> action)
{
try {
if (!context.OnWillStart(id))
{
return;
}
action.Invoke(id);
}
catch (Exception e) {
context.OnException(e);
}
finally {
context.OnDidStart(id);
}
}
private static bool TryComplite(this IStreamExectContext context, Func <BinaryBloc> action)
{
try {
var bloc = action?.Invoke();
if (context.OnComplite(bloc) || bloc == null)
{
return(false);
}
}
catch (Exception e) {
context?.OnException(e);
return(false);
}
return(true);
}