Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/14775#discussion_r76654300
--- Diff: R/pkg/R/backend.R ---
@@ -25,9 +25,23 @@ isInstanceOf <- function(jobj, className) {
callJMethod(cls, "isInstance", jobj)
}
-# Call a Java method named methodName on the object
-# specified by objId. objId should be a "jobj" returned
-# from the SparkRBackend.
+#' Call Java Methods
+#'
+#' Call a Java method in the JVM running the Spark driver.
+#'
+#' @param objId object to invoke the method on. Should be a "jobj" created
by newJObject.
+#' @param methodName method name to call.
+#' @param ... parameters to pass to the Java method.
+#' @export
+#' @seealso callJStatic, newJObject
+#' @examples
--- End diff --
Added `rdname` for all 3 methods now.
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