Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/14775#discussion_r76522995
--- Diff: R/pkg/R/jobj.R ---
@@ -82,7 +82,20 @@ getClassName.jobj <- function(x) {
callJMethod(cls, "getName")
}
-cleanup.jobj <- function(jobj) {
+#' Garbage collect Java Objects
+#'
+#' Garbage collect an object allocated on Spark driver JVM heap.
+#'
+#' cleanup.jobj is a low level method that lets developers manually
garbage collect objects
+#' allocated using newJObject. This is only to be used for advanced use
cases as objects allocated
+#' on the JVM heap are automatically garbage collected when the
corresponding R reference goes out
+#' of scope.
+#'
+#' @param x the Java object that should be garbage collected.
+#' @note cleanup.jobj since 2.0.1
+#' @export
+cleanup.jobj <- function(x) {
--- End diff --
Yeah thats a good point - but I've removed this as we don't need to export
this for now
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