Forgot to add new file for MultiprocessFutureBackend

Author: HenrikBengtsson

R/backend_api-MultiprocessFutureBackend-class.R

@@ -0,0 +1,20 @@
+#' @export
+launchFuture.MultiprocessFutureBackend <- function(backend, future, ...) {
+  stopf("launchFuture() is not implemented for this type of future backend (please contacts the maintainer of that backend): %s", commaq(class(backend)))
+}
+
+
+#' @export
+nbrOfWorkers.MultiprocessFutureBackend <- function(evaluator) {
+  assert_no_positional_args_but_first()
+  backend <- evaluator
+  stopf("nbrOfWorkers() is not implemented for this type of future backend (please contacts the maintainer of that backend): %s", commaq(class(backend)))
+}
+
+
+#' @export
+nbrOfFreeWorkers.MultiprocessFutureBackend <- function(evaluator, background = FALSE, ...) {
+  assert_no_positional_args_but_first()
+  backend <- evaluator
+  stopf("nbrOfFreeWorkers() is not implemented for this type of future backend (please contacts the maintainer of that backend): %s", commaq(class(backend)))
+}