Nothing
# nocov start
livy_invoke_serialize <- function(sc, static, object, method, ...) {
if (is.null(sc)) {
stop("The connection is no longer valid.")
}
if (inherits(object, "livy_jobj")) {
object <- object$id
}
rc <- rawConnection(raw(), "r+")
writeString(rc, object)
writeBoolean(rc, static)
writeBoolean(rc, FALSE) # return_jobj_ref
writeString(rc, method)
args <- list(...)
writeInt(rc, length(args))
writeArgs(rc, args)
bytes <- rawConnectionValue(rc)
close(rc)
base64 <- base64_encode(bytes)
base64
}
livy_invoke_deserialize <- function(sc, base64) {
rv <- base64_decode(base64)
rc <- rawConnection(rv, "r+")
returnStatus <- readInt(rc)
if (length(returnStatus) == 0) {
stop("No status is returned. Livy backend might have failed.")
}
if (returnStatus != 0) {
msg <- readString(rc)
withr::with_options(list(
warning.length = 8000
), {
close(rc)
stop(msg, call. = FALSE)
})
}
conn <- structure(list(rc = rc, state = sc$state), class = c("livy_backend"))
object <- readObject(conn)
close(rc)
attach_connection(object, sc)
}
jobj_subclass.livy_backend <- function(con) {
"livy_jobj"
}
# nocov end
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.