add .Deprecated

Author: yanboliang

R/pkg/R/RDD.R

@@ -317,14 +317,16 @@ setMethod("getNumPartitions",
             callJMethod(getJRDD(x), "getNumPartitions")
           })
 
-#' numPartitions is the same as getNumPartitions
+#' Gets the number of partitions of an RDD, the same as getNumPartitions.
+#' But this function has been deprecated, please use getNumPartitions.
 #'
 #' @rdname getNumPartitions
 #' @aliases numPartitions,RDD-method
 #' @noRd
 setMethod("numPartitions",
           signature(x = "RDD"),
           function(x) {
+            .Deprecated("getNumPartitions")
             getNumPartitions(x)
           })