/// <summary>
/// Executes the CoTask using the specified context.
/// </summary>
/// <param name="context">The context.</param>
public override void BeginExecute(CoroutineExecutionContext context)
{
_context = context;
try
{
_innerCoTask.Completed += InnerCoTaskCompleted;
_innerCoTask.BeginExecute(_context);
}
catch (Exception ex)
{
InnerCoTaskCompleted(_innerCoTask, new CoTaskCompletedEventArgs(ex, false));
}
}
private static Task <TResult> InternalExecuteAsync <TResult>(ICoTask coTask, CoroutineExecutionContext context)
{
var taskSource = new TaskCompletionSource <TResult>();
EventHandler <CoTaskCompletedEventArgs> completed = null;
completed = (s, e) =>
{
((ICoTask)s).Completed -= completed;
if (e.Error != null)
{
taskSource.TrySetException(e.Error);
}
else if (e.WasCancelled)
{
taskSource.TrySetCanceled();
}
else
{
var rr = s as ICoTask <TResult>;
taskSource.TrySetResult(rr != null ? rr.Result : default(TResult));
}
};
try
{
coTask.Completed += completed;
coTask.BeginExecute(context ?? new CoroutineExecutionContext());
}
catch (Exception ex)
{
coTask.Completed -= completed;
taskSource.TrySetException(ex);
}
return(taskSource.Task);
}