dsKeepAlive and dsIsCompleted added

Author: ymarcon

DESCRIPTION

@@ -10,7 +10,7 @@ Authors@R:
              comment = c(ORCID = "0000-0003-0138-2023")))
 Depends:
     R (>= 3.5.0),
-    DSI (>= 1.1),
+    DSI (>= 1.2),
     methods,
     R6
 Suggests:

R/DSLiteConnection.R

@@ -39,6 +39,17 @@ setMethod("dsConnect", "DSLiteDriver",
             con
           })
 
+#' Keep connection with a DSLite server alive
+#' 
+#' No operation due to the DSLiteServer nature.
+#' 
+#' @param conn \code{\link{DSLiteConnection-class}} class object
+#' 
+#' @import opalr
+#' @import methods
+#' @export
+setMethod("dsKeepAlive", "DSLiteConnection", function(conn) {})
+
 #' Disconnect from a DSLite server
 #'
 #' Save the session in a local file if requested.

R/DSLiteResult.R

@@ -28,6 +28,20 @@ setMethod("dsGetInfo", "DSLiteResult", function(dsObj, ...) {
   list(status=dsObj@rval$status)
 })
 
+#' Get whether the operation is completed
+#' 
+#' Always TRUE because of synchronous operations.
+#' 
+#' @param res \code{\link{DSLiteResult-class}} object.
+#' 
+#' @return Always TRUE.
+#' 
+#' @import methods
+#' @export
+setMethod("dsIsCompleted", "DSLiteResult", function(res) {
+  TRUE
+})
+
 #' Fetch the result
 #'
 #' Fetch the DataSHIELD operation result.