Github user shivaram commented on a diff in the pull request: https://github.com/apache/spark/pull/14775#discussion_r76522940 --- 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. --- End diff -- Done
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